Let K = (i+jliej ej). Prove that K is also an ideal in R. B Let R be a commutative ring with no (multiplicative) identity element. Let / be an ideal of R. Suppose there exists an element e ER such that for all yr 6 R. er-reI. Prove that e +/ is the (multiplicative) identity of C R/I.

Answers

Answer 1

In commutative ring, Given that `K = (i + jl)ej ej` and we need to prove that `K` is also an ideal in `R`. Solution: An ideal `I` of a ring `R` is a subset of `R` which is a subgroup of `R` under addition such that for any `a ∈ I`, and `r ∈ R`, the product `ar` and `ra` are in `I`. An ideal `I` of a ring `R` is said to be a proper ideal of `R` if `I ≠ R`. Now, we will show that `K` is an ideal of `R`. It is clear that the zero element of `R`, which is `0`, is in `K`.

Let `p = (i1+j1l1)l1 l2 ∈ K` and `q = (i2+j2l3)l3 l4 ∈ K`. Then, p + q = (i1+j1l1)l1 l2 + (i2+j2l3)l3 l4 = (i1+i2+j1l1+j2l3)(l1 l2 + l3 l4) ∈ K`. Therefore, `K` is closed under addition. Next, let `r ∈ R`. Then, `pr = (i1+j1l1)l1 l2 r = (i1 r+j1l1r)(l1 l2) ∈ K`and `rp = r(i1+j1l1)l1 l2 = (i1r+j1rl1)(l1 l2) ∈ K`. Thus, `K` is closed under both left and right multiplication by an element of `R`.

Hence, `K` is an ideal of `R`. For the second part of the question, we need to prove that `e + /` is the multiplicative identity of `C R/I`, where `R` is a commutative ring with no (multiplicative) identity element, `/` is an ideal of `R`, and `e ∈ R`. We know that `C R/I = {a + I : a ∈ R}`.We are given that `er - re ∈ I` for all `r ∈ R`. Then, for any `a + I ∈ C R/I`, we have`(e + /)(a + I) = (ea + I) = (ae + I) = (a + I)(e + /) = a + I`. Therefore, `e + /` is the multiplicative identity of `C R/I`. Hence, the result is proved.

Know more about commutative ring:

https://brainly.com/question/32227456

#SPJ11


Related Questions

Find the area of polygon MNOP formed by the coordinates given below.

M (8,5)
N (8,-4)
O (-7,-4)
P (-7,5)
A.
48 square units
B.
135 square units
C.
15 square units
D.
150 square units

Answers

Answer:

B

Step-by-step explanation:

got it right on edg

I need to know what is the given in this problem

Answers

well, the triangle is an isosceles with twin sides, and so twin sides stemming from a common vertex will make twin angles on the other sides, the heck all that means?

well, it means that the twin sides of BC and BD make twin angles at C and D, so

[tex]6x-9~~ = ~~3x+24\implies 3x-9=24\implies 3x=33 \\\\\\ x=\cfrac{33}{3} \implies x=11 \\\\[-0.35em] ~\dotfill\\\\ \underset{ C }{\stackrel{ 6(11)-9 }{\text{\LARGE 57}^o}}\hspace{5em}\underset{ D }{\stackrel{ 3(11)+24 }{\text{\LARGE 57}^o}}\hspace{5em}\underset{ B }{\text{\LARGE 66}^o}[/tex]

How much water can a sponge filter in one minute?


2 quarts


3 quarts


4 quarts


1 quart

Answers

Answer:

It would be 4 quarts.

Step-by-step explanation:

The answer is 2 quarts

What is the equation of the line that passes through (0, 2) and (3, - 4)

Answers

I’m lookin for same thing bro

Please help me anyone any other answers would be reported

Answers

Answer:

Wait So...

Step-by-step explanation:

What Kind of Math is this?

Scott has a rope 8 metres long. He says, “I need 9 pieces each 0.89 metres long.’’ Will Scott have enough ribbon?
A. Yes B. No

Answers

Answer:

B

Step-by-step explanation:

How did it go from "rope" to "ribbon", therefore, the statement is incorrect. This is a man-made equation that clearly has a mistake. If it was to say, "Will Scott have enough rope?" then the answer will be "YES"

Answer:

the answer is NO

Step-by-step explanation:

0.89 x 889 = 8.01

Therefore, he is 1cm short

What number equals 8 when its cubed?

Answers

Step-by-step explanation:

2 would be the answer .

hope it helps u .

2 cubed = 8

equasion; 2 Cubed = [tex]2^{3}[/tex] = 2 × 2 x 2 = 8

i hope this helps <3

Advertisements for the train claim it is on time 90% of the time. The bus has a record of being on time 56 out of 64 days. Which form of transportation provides more reliable service???

Answers

It would be the train because if you find what percent 56/64 is it would be about 87%, so the train would be a more reliable service!

Answer:

The train is more reliable.

Step-by-step explanation:

The train is more reliable. The bus is on-time 87.5% of the time, while the train is on-time 90% of the time.

Three friends ate 3/4 of a pizza. The 3 friends ate
equal amounts. How much of the pizza did each
friend eat?

Answers

Answer:

each friend ate 1/4 of pizza

Step-by-step explanation:

3/4 ÷ 3

= 1/4

What is the percent of change from 10 to 8?

Answers

-20%
If you are going down percentage, it will be negative. When you take 8/10 you get 0.8. Subtract 0.8 from 1.0 and you get 0.2. Multiply 0.2 by 100 and you get 20. -20%

Ben conducted an experiment to determine the association between the number of hours spent studying per day with GPA. The line of best fit for his data has a slope of 1, with time, in hours, as the independent variable x and GPA as the dependent variable, y. What does a slope of 1 mean in this context?
A) GPA is 1 point every hour.
B) GPA of 1 point is at zero hours.
C) GPA increases by 1 additional point per hour.
D) Time decreases by 1 hour for every GPA point increase.

Answers

Answer:

C.

Step-by-step explanation:

Since the slope is 1 meaning it goes up and over by 1 the GPA would increase by 1 every hour

Answer:

c

Step-by-step explanation:

help! rs - st + m - tv​

Answers

Answer:

umm, i think the question is incomplete

Step-by-step explanation:

Since previous studies have reported that elite athletes are often deficient in their nutritional
intake (e.g., total calories, carbohydrates, protein), a group of researchers decided to evaluate
Canadian high performance athletes. A total of n = 324 athletes from eight Canadian sports
centers participated in the study. One reported finding was that the average caloric intake
among the n=201 women was 2403.7 kcal/day. The recommended amount is 2811.5 kcal/day.
Is there evidence that female Canadian athletes are deficient in the caloric intake? (Assume
?=0.05 and the data comes from a normal population)
a. State the appropriate null and alternative hypotheses to test this.
b. Which n should be used (201 or 324)? What key word in the last sentence of the paragraph
above led you to this decision?
c. Assuming a population standard deviation of 880 kcal/day, what is the value of the test
statistic?
d. Sketch the normal curve, label your test statistic and shade the appropriate area related to
the p-value.
e. What is the p-value?
f. Do you reject or fail to reject the null hypothesis? Why?
g. Write a conclusion in terms of language related to the given problem.

Answers

a. Null hypothesis (H0): The average caloric intake among female Canadian athletes is equal to or greater than the recommended amount (µ ≥ 2811.5 kcal/day).

Alternative hypothesis (H1): The average caloric intake among female Canadian athletes is less than the recommended amount (µ < 2811.5 kcal/day).

b. The value of n that should be used is 201

c. SEM = 880 / √201

d. To sketch the normal curve and label the test statistic, we need the test statistic value and the critical region corresponding to the significance level α = 0.05

e. Without the test statistic or critical region, we cannot calculate the p-value.

f. Since we don't have the test statistic, critical region, or p-value, we cannot make a decision to reject or fail to reject the null hypothesis at this point.

g. Without the test statistic, critical region, or p-value, we cannot draw a conclusion regarding the evidence for or against the deficiency in caloric intake among female Canadian athletes.

a. The appropriate null and alternative hypotheses to test whether female Canadian athletes are deficient in caloric intake can be stated as follows:

Null hypothesis (H0): The average caloric intake among female Canadian athletes is equal to or greater than the recommended amount (µ ≥ 2811.5 kcal/day).

Alternative hypothesis (H1): The average caloric intake among female Canadian athletes is less than the recommended amount (µ < 2811.5 kcal/day).

b. The value of n that should be used is 201, which represents the number of female athletes in the study. The key word in the last sentence of the paragraph ("n=201 women") indicates that the information provided specifically pertains to the female athletes, not the entire sample of 324 athletes.

c. To calculate the test statistic, we need to determine the standard error of the mean (SEM) using the formula:

SEM = σ / √n

where σ is the population standard deviation and n is the sample size. In this case, the population standard deviation is given as 880 kcal/day, and the sample size is 201.

SEM = 880 / √201

d. To sketch the normal curve and label the test statistic, we need the test statistic value and the critical region corresponding to the significance level α = 0.05. However, the critical region is not provided in the given information.

e. The p-value represents the probability of obtaining a test statistic as extreme as or more extreme than the observed value, assuming the null hypothesis is true. Without the test statistic or critical region, we cannot calculate the p-value.

f. Since we don't have the test statistic, critical region, or p-value, we cannot make a decision to reject or fail to reject the null hypothesis at this point.

g. Without the test statistic, critical region, or p-value, we cannot draw a conclusion regarding the evidence for or against the deficiency in caloric intake among female Canadian athletes. Further analysis is required to obtain the missing information and make a conclusive statement.

Visit here to learn more about alternative hypotheses brainly.com/question/28331914

#SPJ11

Solve the system of equations shown below?

Answers

(6,4) x=4 and y=6. hope this helps

PLZZZ HELPPP BRAINLIESTT

Answers

Answer:

1. 4 less than x

2. v = 15.00n

Answer:

4 minus x and v = 15.00n

Step-by-step explanation:

Find the curvature of y = sin(–1x) at x = pi/4

Answers

The curvature of y = sin(–1x) at x = pi/4 is 2√2/3.

Curvature is the measure of how much a curve bends. It is the rate at which the unit tangent vector changes with respect to arc length. It is given by the formula,K = |dT/ds|Where K is curvature, T is the unit tangent vector, and s is arc length.So, the first step is to find the first derivative of y, which is given by,dy/dx = -1/√(1-x²)Now, we find the second derivative of y which is given by,d²y/dx² = x/(1-x²)^(3/2)At x = pi/4, we have,d²y/dx² = (π/4)/(1-(π/4)²)^(3/2) = 2√2/3Therefore, the curvature of y = sin(–1x) at x = pi/4 is 2√2/3.

Know more about curvature here:

https://brainly.com/question/30106465

#SPJ11

The scatter plot shows the relationship between backpack weight and student weight. Which statement describes the data shown in the scatter plot?
A) A potential outlier at (12, 50).
B) A potential outlier at (50, 12).
C) A cluster between a student weight of 40 kg to 70 kg.
D) A cluster between a backpack weight of 4 kg to 12 k

Answers

Answer:

the answer is B on USA Prep

Step-by-step explanation:

"A potential outlier at (50, 12)" is the statement that best describes the data shown in the scatter plot.

What is the line of best fit?

A straight line that minimizes the gap between it and certain data is called a line of best fit. In a scatter plot containing several data points, a relationship is expressed using the line of best fit. It is a result of regression analysis and a tool for forecasting indicators and price changes.

Given:

The scatter plot shows the relationship between backpack weight and student weight.

From the given choices:

An outlier is a value that nowhere near the range of the data set.

From the scatter plot:

A potential outlier at (50, 12).

Therefore, a potential outlier at (50, 12).

To learn more about the line of the best fit;

https://brainly.com/question/14279419

#SPJ6

State whether or not the following triangles are similar. If not, explain why not. If so, write a similarity statement

Answers

9514 1404 393

Answer:

  a) ∆RLG ~ ∆NCP; SF: 3/2 (smaller to larger)

  b) no; different angles

Step-by-step explanation:

a) The triangles will be similar if their angles are congruent. The scale factor will be the ratio of any side to its corresponding side.

The third angle in ∆RLG is 180° -79° -67° = 34°. So, the two angles 34° and 67° in ∆RLG match the corresponding angles in ∆NCP. The triangles are similar by the AA postulate.

Working clockwise around each figure, the sequence of angles from lower left is 34°, 79°, 67°. So, we can write the similarity statement by naming the vertices in the same order: ∆RLG ~ ∆NCP.

The scale factor relating the second triangle to the first is ...

  NC/RL = 45/30 = 3/2

__

b) In order for the angles of one triangle to be congruent to the angles of the other triangle, at least one member of a list of two of the angles must match for the two triangles. Neither of the numbers 57°, 85° match either of the numbers 38°, 54°, so we know the two triangles have different angle measures. They cannot be similar.

Please help, GodBless.

Answers

Answer:

m = - 6 :)

Step-by-step explanation:

P(A) = 0.35, P(B) = 0.55, P(A and B) = 0.10. P(BA)

Answers

The probability of event B given event A P(B|A) is approximately 0.2857

P(B|A), the probability of event B given event A, we use the formula:

P(B|A) = P(A and B) / P(A)

P(B|A) denotes conditional probability the probability of event B depends on another event A.

Given the following probabilities:

Probability of event A P(A) = 0.35

Probability of event B P(B) = 0.55

Probability of event  A  and B (A and B) = 0.10

We can calculate P(B|A) as follows:

P(B|A) = P(A and B) / P(A)

P(B|A) = 0.10 / 0.35

P(B|A) ≈ 0.2857

Therefore, P(B|A) is approximately 0.2857.

To know more about probability click here :

https://brainly.com/question/32004014

#SPJ4

use Laplace transforms to solve the following differential equation
y' + 3y = f(t), y(0) = α, α is a constant.

Answers

The solution to the differential equation y' + 3y = f(t), y(0) = α using Laplace transforms is y(t) = αe⁻³ᵗ + F(s)/(s+3), where F(s) is the Laplace transform of f(t).

We use the Laplace transform on both sides of the problem in order to solve the given differential equation. Let Y(s) and F(s) represent the Laplace transforms of y(t) and f(t), respectively. Taking the Laplace transform of both sides of the equation, we have:

sY(s) - y(0) + 3Y(s) = F(s)

Substituting y(0) = α, we get,

sY(s) - α + 3Y(s) = F(s)

Rearranging the equation and solving for Y(s), we have,

Y(s) = (F(s) + α)/(s + 3)

Now, we need to find the inverse Laplace transform of Y(s) to obtain y(t). Using the properties of Laplace transforms, we know that the inverse Laplace transform of Y(s) is y(t) = L⁻¹{Y(s)}. Applying the inverse Laplace transform, we find,

y(t) = αe⁻³ᵗ + L⁻¹{F(s)/(s+3)}

The term αe⁻³ᵗ corresponds to the initial condition y(0) = α. The remaining term L⁻¹{F(s)/(s+3)} represents the inverse Laplace transform of F(s)/(s+3), which depends on the specific function f(t) and its Laplace transform.

Therefore, the solution to the differential equation is y(t) = αe⁻³ᵗ + F(s)/(s+3), where F(s) is the Laplace transform of f(t).

To know more about Laplace transform, visit,

https://brainly.com/question/29583725

#SPJ4

please help, is it x = 6, y = 6, y = x, or y = 2?



01:08:55
B
O
B
А
A'
2
D
C
ci
D'
Х
6
8
10
2
O x = 6
O y = 6
O y = x
O y=2

Answers

This is the answer of your question in the picture

The equation for the line of reflection is x = 6

What is reflection?

An equation is a mathematical statement with an 'equal to' symbol between two expressions that have equal values.

For example, 3x + 5 = 15.

Given that, a graph, we need to find the equation of the reflection of the polygon graphed,

We can see, all the vertices on the polygon are being mirrored across the line x = 6.

So, we can say the line of reflection is x = 6.

Hence, the equation for the line of reflection is x = 6

Learn more about equations, click;

https://brainly.com/question/29657983

#SPJ7

Let T be a relation defined on z such that aT bab (mod). Show that T is an equivalence relation.

Answers

To show that the relation T defined on the set of integers Z is an equivalence relation, we need to prove three properties: reflexivity, symmetry, and transitivity.

1. Reflexivity: For any integer a, we need to show that aTa (mod). In modular arithmetic, a is congruent to itself modulo any integer, so this property holds.

2. Symmetry: For any integers a and b, if aTb (mod), then we need to show that bTa (mod). In modular arithmetic, if a is congruent to b modulo some integer, then b is also congruent to a modulo the same integer. Therefore, the symmetry property holds.

3. Transitivity: For any integers a, b, and c, if aTb (mod) and bTc (mod), then we need to show that aTc (mod). In modular arithmetic, if a is congruent to b modulo some integer and b is congruent to c modulo the same integer, then a is also congruent to c modulo that integer. Therefore, the transitivity property holds.

Since the relation T satisfies all three properties (reflexivity, symmetry, and transitivity), we can conclude that T is an equivalence relation.

To  know more about Equivalence relations:

https://brainly.com/question/30956755

#SPJ4

Kareem is going to rent a truck for one day. There are two companies he can choose from, and they have the following prices.
Company A charges $95 and allows unlimited mileage.
Company B has an initial fee of $75 and charges an additional $0 80 for every mile driven.
For what mileages will Company A charge less than Company B7
Use m for the number of miles driven, and solve your inequality for m.

Answers

Answer:

95 < 75 + 0.80m 20 < m Company A will charge less than Company B for mileages less than 20.

A study looked at n=256 adolescents, where subjects wore a wrist actigraph, which allowed the researchers to estimate sleep patterns. Those subjects classified as having low sleep efficiency had an average systolic blood pressure that was 5.6 millimeters of mercury (mm Hg) higher than that of other adolescents. The standard deviation of this difference is 1.8 mm Hg. Based on the results, test whether this difference is significant at the 0.01 level. 2. An SRS of 100 incoming freshman was taken to look at their college anxiety level. The mean score of the sample was 87.3 (on a 0 to 100 scale with a higher score indicating mores stress). Assuming population o = 8.1, construct a 95% confidence interval for the population mean. What sample size is required to get a margin of error less than or equal to .15?

Answers

There is a significance at the level 0.01.

We can use a two-sample t-test for this purpose.

A two-sample t-test is used to examine whether two data samples have a mean difference that is statistically significant.The null hypothesis for this test is that there is no significant difference between the mean systolic blood pressure of those adolescents classified as having low sleep efficiency and that of other adolescents.

Hence, H0: μ1 = μ2

where μ1 is the mean systolic blood pressure of those adolescents classified as having low sleep efficiency and μ2 is the mean systolic blood pressure of other adolescents.

The alternative hypothesis is that there is a significant difference between the two means:

H1: μ1 ≠ μ2

The level of significance (α) is 0.01, so the critical value of t can be found using a t-distribution table with 254 degrees of freedom (n1+n2-2=254).

The critical value at a 0.01 level of significance is ±2.576.

From the question, we know that the mean difference between the two groups is 5.6 mm Hg and the standard deviation of this difference is 1.8 mm Hg.

Therefore, the t-statistic can be calculated as:

t = (5.6 - 0) / (1.8 / sqrt(256))

= 56 / 1.8 = 31.11

Since the calculated t-statistic (31.11) is greater than the critical value (±2.576), we reject the null hypothesis.

Thus, we can conclude that there is a significant difference in systolic blood pressure between the two groups at the 0.01 level of significance.

#SPJ11

Let us know more about level of significance: https://brainly.com/question/31519103.

population grows according to an exponential growth model: The initial population is Po 10, and the growth rate is r 0.2_ Then: Pi 10.2 Pz 10.4 Find an explicit formula for Pn: Your formula should involve n. Pn 10 ( 1.02) n Use your formula to find P9 Pg 11.95 Give all answers accurate to at least one decimal place

Answers

The population at time n=9 is approximately 11.95. The term "population" refers to the entire set of individuals, objects, or events that are of interest to a researcher or analyst.

Based on the given information, we have:

Initial population (P0) = 10

Growth rate (r) = 0.2

To find an explicit formula for Pn, we can use the formula for exponential growth:

Pn = P0 * (1 + r)^n

Substituting the given values:

Pn = 10 * (1 + 0.2)^n

Simplifying the formula, we have:

Pn = 10 * 1.2^n

Using this formula, we can find P9:

P9 = 10 * 1.2^9 ≈ 11.95

Therefore, the population at time n=9 is approximately 11.95.

Visit here to learn more about population brainly.com/question/31598322

#SPJ11

What is the difference of the value of Lily's expression , 6x-3, when x=5 and the value of Pedro's expression when x=5 ? Show or explain how you got your answer.

Answers

Given Info : What is the difference of the value of Lily's expression , 6x-3, when x=5 and the value of Pedro's expression when x=5 .

To Find :- Show or explain how you got your answer.

Solution:-

The expression is 6x-3 , and we need to find its value at x = 5 , On putting x =5 we have

6*5-3 = 30-3 = 27.

This value will come same in case of Pedro, therefore our required answer is 5

surface area does anyonr know it im confused on the formula​

Answers

Answer:

131.92ft²

Step-by-step explanation:

okay, so we have to find the area of both circles, and the circumference then multiply that with the height, it's confusing, so:

3² x 3.14 = 28.26 x 2 = 56.52 so that the area of the bases

3 x 2 x 3.14 = 18.85 x 4 = 75.4

75.4 + 56.52 = 131.92

So the surface area of the cylinder is 131.92ft²

Which expressions are equivalent to 6 + 12x



A 3(2+4x)
B. 3(2+6x)+2x
C. 5(1+2x)+1+2x
D7(1+2x)-2x-1
E 7 (1+2x)+2x-1

Answers

Answer:

A,C and D

Step-by-step explanation:

A: 3x2=6

    3x4X=12X

     6+12X

C: 5x1=5

    5x2X=10X

    5+10X+1+2X

   6+12X

D: 7x1=7

    7x2X=14X

     7+14X-2X-1

     6+14X-2X

     6+12X

Find the probability of the indicated event if P(E)=0.20 and P(F)=0.45. Find P(E or F) i PE and F)=0.10. P(E or F)-

Answers

The probability of event E is 0.20, the probability of event F is 0.45, and the probability of both E and F occurring is 0.10. Therefore, the probability of either event E or event F occurring, denoted as P(E or F), is 0.65.

Given that P(E) = 0.20 and P(F) = 0.45, we also know that P(E and F) = 0.10. Using the formula P(E or F) = P(E) + P(F) - P(E and F), we can substitute the values and calculate the probability of either event E or event F occurring.

P(E or F) = P(E) + P(F) - P(E and F)

P(E or F) = 0.20 + 0.45 - 0.10

P(E or F) = 0.65

Therefore, the probability of either event E or event F occurring, denoted as P(E or F), is 0.65.

The concept behind this formula is that when we add the individual probabilities of E and F, we count their intersection (P(E and F)) twice. Since we want to avoid double-counting the intersection, we subtract P(E and F) from the sum of P(E) and P(F). This gives us the probability of either event E or event F occurring.

In this case, the probability of either event E or event F occurring is 0.65, indicating a relatively high likelihood of one of the events happening.

Learn more about probability here:

https://brainly.com/question/32117953

#SPJ11

Other Questions
1/4 of my shirts are red, the rest are blue. Show the ratio of red to blue shirts Will mark brainliest. Question is below.A trash can is in the shape of a cylinder. It has a radius of 2 feet and a height of 5 feet. What is the volume of the trash can? Round to the nearest tenth. Use 3.14 for or pi. Please help! this is the last question :) Analyze The Harvesters, by Pieter Bruegel, by identifying characteristics associated with this work of art. Rogers Fund, 1919 The Metropolitan Museum of Art Check All That Apply Northern Renaissance O Emphasis on everyday life Landscape exploration U Neo-Platonic U Italian countryside U Prepared for a manuscript marking brainliestplease help me with this crossword**if you can't see please please just zoom in don't waste my points to say "i can't see the pic" thanks :) Which of the following is a negative consequence of the application of scientific knowledge? Claudius: Take thy fair hour, Laertes; time be thine, And thy best graces spend it at thy will. But now, my cousin Hamlet, and my son, Hamlet: [Aside.] A little more than kin, and less than kind. Claudius: How is it that the clouds still hang on you? Hamlet: Not so, my lord; I am too much i the sun. What is the most likely reason that Shakespeare chose this point in the play to give Hamlet his first aside? There it isss plsss helpppp Suppose you can borrow and lend at the annual interest rate of 7% per annum. The IBM stock is trading at $200. It is not going to pay any dividend in one year. Use this information to answer the following three questions.1.What is the fair forward price of a forward contract which calls for the delivery of 1 share of IBM stock at the end of one year?2. If the actual forward price FA is $212, your arbitrage strategy is to_____.3. At the end of one year, suppose IBM stock price is ST, then the cash flow spot(stock) market is _____, the cash flow in the forward contract is _____, and the arbitrage profit is _____. Sarah is on a 400 mile road trip. She has 114 miles left to travel. Her vehicle gets about 22 miles per gallon. She wants to know how many gallons of gasoline she has used.Hilary and William both found the number of gallons of gasoline Sarah used on her trip. They each used a different method to solve the problem. Which statements are true? Check all that apply. Explain the role of restriction enzymes vectors and plasmids in genetic engineering. WILL CHOOSE BRAINLY WHAT IS THE MEAN aggregate demand consists of these four types of demand.AD = C+I+G+ (X-M)TrueFalse The Buck Store is considering a project that will require additional inventory of $216,000 and will increase accounts payable by $181,000. Accounts receivable are currently $525,000 and are expected to increase by 9 percent if this project is accepted. What is the project's initial cash flow for net working capital Show that if U is open in X, and A is closed in X, then U\A is open in X, and A\U is closed in X. what are the things that must be included when using online platform as means of communicating deals,? Please help me with this When approximating sof(x)dx using Romberg integration, Rey gives an approximation of order: h10 h8 h4 h6 if there is a discordance in the evolution of our genes and culture, why havent our genes caught up? how is this related to the concept of "mismatch" posed in the article? Is a Megabit bigger than a Megabyte? If so, explain.