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Determine whether the statement makes sense or does not make sense, and explain your reasoning.
.I read that a certain star is 10^5 light-years from Earth, which is 100,000 light-years.
Choose the correct answer below.
OA. The statement makes sense. The value of 10^5 is not 100,000.
OB. The statement makes sense. The value of 10^5 is 100,000.
OC. The statement does not make sense. The value of 10^5 is not 100,000.
OD. The statement does not make sense. The value of 10^5 is 100,000.
Answers
OB. The statement makes sense. The value of 10^5 is 100,000 is the correct answer.
How to expand exponential expressions?10^5 = 10*10*10*10*10 = 100,000
Repeated multiplication is expressed using exponential notation.
For instance, 10*10*10 can be expressed more briefly as 10^3.
The base is the number 10 in 10^3.
Exponent refers to the 3 in 10^3.
The exponential expression is known as the number 10^3.
You can learn how to conduct mathematical operations on an exponential expression or term by being familiar with its constituent parts' names.
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Related Questions
On a unit circle, the terminal point of theta is (1/2,square root 3/2). what is theta
Answers
Given the terminal point of Θ:
[tex](\frac{1}{2},\frac{\sqrt[]{3}}{2})[/tex]Let's find the value of Θ.
In polar coordinates, we have the points as
[tex]P=(R,\theta)[/tex]Where:
R is the radius and Θ is the angle.
We know in rectangular coordinates, we have:
x = R * cosΘ
Y = R * sinΘ
Thus, to find the value of Θ, we have:
[tex]\sin \theta=\frac{\sqrt[]{3}}{2}[/tex]Solve for Θ.
[tex]\begin{gathered} \\ \text{sin}\theta=\frac{\sqrt[]{3}}{2} \\ \end{gathered}[/tex]Take the inverse cosine of both sides:
[tex]\begin{gathered} \theta=\sin ^{-1}(\frac{\sqrt[]{3}}{2}) \\ \\ \theta=\frac{\pi}{3} \end{gathered}[/tex]ANSWER:
[tex]C.\text{ }\frac{\pi}{3}radians[/tex]2. A line goes through the points (4, 8) and (-4, 6). (a) What is the slope of the line? Show your work (b) Write the equation of the line in point-slope form. Show your work (c) Write the equation of the line in slope-intercept form. Show your work. Answer:
Answers
31. Find the circumference.
a. 18.84 in
b. 36 in
c. 9 in
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Write a function g(x), the translation of... that has a horizontal asymptote at y=2 and..
Answers
we have that
Vertical asymptote at x=3
so
The denominator could be (x-3)
Horizontal asymptote at y=2
so
Degree on Top is Equal to the Bottom
The numerator could be equal to 2x and the leading coefficient of the denominator is 1
therefore
[tex]g(x)=\frac{2x}{(x-3)}[/tex]2+2+13-2/35? please help
Answers
Answer: 16.94285714
Step-by-step explanation: 2/35 is 0.05714285714. 13+2+2 = 17.
17- 0.05714285714 is 16.94285714.
Write this absolute value function as a piecewise function. y= 2|x|-3
Answers
A function can be written as piecewise function if it changes its behaviour ( increasing or decreasing ) about a point.
[tex]\begin{gathered} Thefunctionf\mleft(x\mright)=y=|x|changesitsbehaviourat|x|=0ie,x=0. \\ y=|x|=x,ifx<0=-x,ifx>0 \\ |x|=a\Rightarrow x=\pm a \end{gathered}[/tex]Here Here,
The given function is : y = 2|x| - 3
Here,
The function will change its behaviour when
| x | = 0
=> x = 0
Now,
If x < 0 , then ;
=> y = 2[–(x)] – 3
=> y = –2x – 3
=> y = – 2x – 3
If x ≥ 0 , then ;
=> y = 2(x) – 3
=> y = 2x – 3
=> y = 2x -3
Hence ,
y = – 2x – 3 , if x < 0
y = 2x - 3 , if x ≥ 0
[tex]f(x)=\begin{cases}-2x-3\text{ , if x < }0 \\ \\ 2x-3\text{ , if x }\ge0\end{cases}[/tex]2y-4=3y-5 How Many solutions have?
Answers
Solve the above equation by combining like terms and isolating the variable and it should give you y = 1
Answer:
one solution
Step-by-step explanation:
solve it.
2y-4=3y-5
-y=-1
y=1
Been struggling on this for days, some help would be appreciated.
Answers
Answer:
-b plus or minus square root of b square - 4ac
divided by 2a
where by a is the first term
b is the second term
c is the third term
Step-by-step explanation:
a = 1
b = -5
c = 4
x = 4 & 1
explanation
Shay's net pay is $575.50 biweekly. If her gross annual income is$17,500, how much is deducted from each paycheck?a. $153.67b. $2,537c. $97.58d. $3,688
Answers
a. $157.67
Explanation:
>> net income (total amount without the taxes etc...)
. biweekly = $575.50
. per month = $575.50 * 2 = $1,151 (~since it happens 2 times per month)
. per year = $1,151 * 12 = $13,812
>> gross income (total amount with the taxes etc...)
. per year = $17,500
>> amount deducted (~going to taxes etc...)
. per year = $17,500 - $13,812 = $3,688
. per month = $3,688 / 12 =~ $307.33
. per paycheck = $307.33 / 2 =~ $153.67
.......................
Answers
we have that
Part c)
the probability is equal to
P=0.14+0.27+0.58
P=0.99because is the sum of
x=1, x=2 and x=3
Part D
the probability is
P=0.01+0.14+0.27
P=0.42because is less than or equal 2
One half of a number increased by a second number equals 5. One half of the first number decreased by the second number equals 1. Find the two numbers.
Answers
let the first no. is 'a'
second no. is 'b'
so from the statement, One half of a number increased by a second number equals 5.
[tex]\frac{a}{2}+b=5[/tex]and One half of the first number decreased by the second number equals 1.
[tex]\frac{a}{2}-b=1[/tex]add both the equations,
[tex]\begin{gathered} \frac{a}{2}+\frac{a}{2}+b-b=5+1 \\ a=6 \end{gathered}[/tex]put a= 6 in first equation
[tex]\begin{gathered} \frac{6}{2}+b=5 \\ 3+b=5 \\ b=5-3 \\ b=2 \end{gathered}[/tex]so the answer is,
a = 6 & b = 2
mary has scored 78 , 60 , 82 , 94 , and 88 on her previous fice tests . What score does she need on her next test so that her average ( mean ) is 80 ?
Answers
Mary has scored 78, 60, 82, 94, and 88 on her previous fice tests.
What score does she need on her next test so that her average (mean) is 80?
Let x be the next test score
Recall that the mean is given by
[tex]mean=\frac{\text{sum of test scores}}{total\text{ numbers of tests}}[/tex]We have the following information,
mean = 80
sum of test scores = 78 + 60 + 82 + 94 + 88 + x = 402 + x
total number of tests = 6
So, let us substitute these values into the above formula
[tex]\begin{gathered} mean=\frac{\text{sum of test scores}}{total\text{ numbers of tests}} \\ 80=\frac{402+x}{6} \\ 6\times80=402+x \\ 480=402+x \\ 480-402=x \\ 78=x \\ x=78 \end{gathered}[/tex]Therefore, Mary need to score 78 on her next test so that her mean is 80
In ∆XYZ, y =75cm, z=83 cm and
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we have:
[tex]undefined[/tex]Find x and the measure of angle 1
Answers
The measure of angle 1 is 42° . Angles Central angles can be expressed as Central angle = (Arc length 360o)/(2r) degrees or Central angle = Arc length/r radians, where r is the radius of the circle.
What is meant by angle?When two straight lines or rays intersect at a common endpoint, an angle is formed. An angle's vertex exists as the familiar point of contact. Angle is derived from the Latin word angelus, which means "corner." An angle is formed when two line segments are joined at a single point, or when two line segments meet at a common endpoint. This common point is known as the angle's vertex, and the two line segments are known as the angle's sides or arms. Acute angle, Obtuse angle, Right angle, Straight angle, reflex angle, and full rotation are the names of basic angles. An angle is a geometrical shape formed by connecting the ends of two rays.∴ The measure of angle 1 is 42°
180 - 48 - 90 = 42
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Rodney opens a savings account with $75 and also deposits $40 each month. Morgan opens an account with $50 and also deposits $40 each month. Will they have the same amount in their account at any point? If so, after how many months? Explain.
FAST RESPONSE ALSO EQUATION AND STEPS
Answers
Answer:
Yes, after 3 and a half months, they will both have 215$ in their account.
Step-by-step explanation:
if x is the number of months
Rodney's equation: y=40x+75
Morgan: y = 50x + 40
Equate them together:
50x+40 = 40x+75
10x=35
x=3.5
:]
Yes, after 3 and a half months, they will both have 215$ in their account.
qwdqdqwdwqdqdwqdqwwqdd
Answers
Answer:
qwdqdqwdwqdqdwqdqwwqdd
haha lol
Step-by-step explanation:
Solve using proportions.
Andrew is on a low-carbohydrate diet. If his diet book tells him that an 8-oz serving of pineapple contains 19.2 g of carbohydrate,
how many grams of carbohydrate does a 5-oz serving contain?
Answers
Using proportions we know that a 5-oz serving contains 12g of carbohydrates.
What are proportions?A proportion is an equation that sets two ratios at the same value. For instance, you could write the ratio as follows: 1: 3 if there is 1 boy and 3 girls (for every one boy there are 3 girls) There are 1 in 4 boys and 3 in 4 girls, and 0.25 are males (by dividing 1 by 4).
So, the carbohydrates in a 5-oz serving:
Now, calculate as follows:
8:19.2g = 5:xg8/19.2 = 5/xg8xg = 19.2(5)8xg = 96xg = 96/8x = 12gTherefore, using proportions we know that a 5-oz serving contains 12g of carbohydrates.
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What is the probability that a randomly selected Shopper is a man given that he shops at Home Depot? Round the answer to the nearest hundredth of a percent.
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Out of all the 500 people, how many are Men, shopping at Home Depot?
See the cell crossing "Men" row and "Home Depot" column.
it is 37
Hence, probability of shopper being a men who shops at Home Depot is:
37/500
In decimal:
0.074
In percentage:
7.40%Jessica made 619 cups of punch. Herpunch had two different types of juice init. If the punch had 4 cups of one type ofjuice, how many cups of the other type ofjuice did it have?
Answers
Given:
Total cups of punch made = 619
The punch contains tw different types of juice
(1 2/7-3/14)/8/15trying to remember how to do this
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We will write it as a fraction in ordet to solve, that is:
[tex]\frac{(1\frac{2}{7}-\frac{3}{14})}{(\frac{8}{15})}[/tex]We then operate as follows:
[tex]\frac{((\frac{7}{7}+\frac{2}{7})-\frac{3}{14})}{(\frac{8}{15})}\Rightarrow\frac{(\frac{9}{7}-\frac{3}{14})}{(\frac{8}{15})}\Rightarrow\frac{(\frac{15}{14})}{(\frac{8}{15})}\Rightarrow\frac{15\cdot15}{14\cdot8}\Rightarrow\frac{225}{112}[/tex]We have this, since 1 integer will be equal as a numerator divided by a denominator with equal values. Examples 1 = 2/2, 1 = 45/45, ...
Are your finances, buying habits, medical records, and phone calls really private? A real concern for many adults is that computers and the Internet are reducing privacy. A survey conducted by Peter D. Hart Research Associates for the Shell Poll was reported in USA Today. According to the survey, 43% of adults are concerned that employers are monitoring phone calls. Use the binomial distribution formula to calculate the probability of the following.
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The probability of matching x successes on n further trials in an experiment with two possible outcomes. There is a 4.88% chance that no one is worried that their employers are listening to their phone calls.
Given that,
The probability of matching x successes on n further trials in an experiment with two possible outcomes is known as the binomial probability (commonly called a binomial experiment).
The following formula gives it:
[tex]P=C_{n,x}p^{n}.(1-p)^{n-x}[/tex]
Where is the number of distinct combinations of x items drawn from a set of n elements, as determined by the formula below.
[tex]C_{n,x}=\frac{n!}{x!(n-x)!}[/tex]
And p is the probability that anything will happen.
Being aware that employers are monitoring phone calls is a victory in this issue.
43% of adults fear that their employers are listening to their phone calls,
p=43%=0.43
We must locate Four persons were questioned, and none expressed concern about phone call monitoring by companies.
We count four adults, n=4.
Is there a probability of success of 0? If so, then x = 0.
[tex]P=C_{n,x}p^{n}.(1-p)^{n-x}[/tex]
[tex]P=C_{4,0}(0.43)^{0}.(0.57)^{4}[/tex]
P=0.0488
Therefore, There is a 4.88% chance that no one is worried that their employers are listening to their phone calls.
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how much accumulated interest should the investor expect at the end of 10 years?
Answers
Answer:
The correct option is D
The accumulated interest after 10 years is $2,125.00
Explanation:
We have the following parameters:
Principal (P) = $2,500
Rate (R) = 8.5%
Time (T) = 10 years
To calculate the interest after 10 years, we use the formula:
[tex]A=\frac{PRT}{100}[/tex][tex]\begin{gathered} A=\frac{2500\times8.5\times10}{100} \\ \\ =2125 \end{gathered}[/tex]The interest is $2,125
Graph 1(90°,0)(FGHJ).Which graph below shows the preimage FGHJ and the image F'G'H''?
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Given the figure FGHJ with coordinates
F(0, 5), G(-5, 1), H(5, -7) and J(6, 4)
When we rotate a figure of 90 degrees clockwise, each point of the given figure has to be changed from (x, y) to (y, -x) and graph the rotated figure.
Therefore, for clockwise rotation, the coordinates of the image of FGHJ becomes
[tex]\begin{gathered} \text{ F(0, 5)}\to\text{ F'(5, 0)} \\ \text{ G(-5,}1)\to\text{ G'(1, 5)} \\ \text{ H(5, -7)}\to\text{ H'(-7, -5)} \\ \text{ J(6, 4)}\to\text{ J'(4, -6)} \end{gathered}[/tex]Note that, the blue graph represents the pre-image FGHJ and the green graph represents the image F'G'H'J'
When we rotate a figure of 90 degrees anti-clockwise, each point of the given figure has to be changed from (x, y) to (-y, x) and graph the rotated figure.
Therefore, the anti-clockwise rotation the coordinates of the image of FGHJ becomes
[tex]\begin{gathered} \text{ F(0, 5)}\to\text{ F'(-5, 0)} \\ \text{ G(-5,}1)\to\text{ G'(-1, -5)} \\ \text{ H(5, -7)}\to\text{ H'(7, 5)} \\ \text{ J(6, 4)}\to\text{ J'(-4, 6)} \end{gathered}[/tex]Note that, the blue graph represents the pre-image FGHJ and the green graph represents the image F'G'H'J'
A woman borrows #20 000 for 4 weeks. She agrees to pay #25 000 back at the end of the 4 weeks. How much interest does she pay over the a 4 weeks? b How much interest does she pay per week?how to solve
Answers
The interest she pays over 4 weeks is #5000 and the interest she pays per week is #1250.
According to the question,
We have the following information:
A woman borrows #20 000 for 4 weeks.
She agrees to pay #25 000 back at the end of the 4 weeks.
Now, we will subtract the borrowed amount from the amount paid after 4 weeks to find the interest paid after 4 weeks.
(a) Interest paid over 4 weeks = #(25000-20000)
Interest paid over 4 weeks = #5000
(b) Now, we can easily find the interest paid per week by the interest paid over 4 weeks by the total number of weeks.
Interest paid per week = Interest paid in 4 weeks/4
Interest paid per week = 5000/4
Interest paid per week = #1250
Hence, the answers to part a is #5000 and the answer to part b is #1250.
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Find Point F so that angle ABC is = to angle DEF
Answers
Answer
(5, 2)
Step-by-step explanation
Point D in triangle DEF is the equivalent to point A in ABC. Similarly, E is the equivalent to B. In consequence, F is the equivalent to C.
We can obtain points D and E by translating points A and B 6 units to the right and 4 units up.
Translation 6 units to the right and 4 units up transforms the point (x, y) into (x+6, y+4). Applying this rule to point C:
C(-1, -2) → (-1+6, -2+4) → F(5, 2)
If f(x) = -4x-5, what is f(1)?
Answers
Given that f(x) is defined as the function below:'
[tex]f(x)=-4x-5[/tex]To determine the value of f(1), we substitute the x with 1. Therefore:
[tex]\begin{gathered} f(1)=-4(1)-5 \\ =-4-5 \\ f(1)=-9 \end{gathered}[/tex]The value of f(1) is -9.
1) The table represents the relationship between a length measured in meters and th same length measured in kilometers. a. Complete the table. meters kilometers 1,000 1 3,500 500 b. Write an equation for converting the number of meters to kilometers. 75 1 X
Answers
Explanation:
1)
1 kilometer is equal to 1000 meters:
1 km = 1000 m
So,
1m = 1/1,000 km
To complete the table, we can use the rule of three:
a) 1,000 m?
1m - 1/1,000 km
1,000m - x
x = 1/1000 * 1,000 = 1 km
As we can see, we only have to divide the measure in meters by 1000.
b) 3,500 m = 3,500/1,000 = 3.5 km
c) 500 m = 500/1,000 = 0.5 km
d) 75 m = 75/1,000 = 3/40 km = 0.075 km
e) 1 m = 1/1000 = 0.001 km
f) x = x/1,000 = 0.001x km
2)
The relation is:
Y = 0.001x
Where x is the measure in km and x in meter.
Simplify the expression.[tex] - 5 {w}^{4} {y}^{ - 2} \div - 15 {w}^{ - 6} {y}^{2} [/tex]w≠0, y≠0
Answers
Question:
Simplify the expression
[tex]\frac{-5w^4y^{-2}}{-15w^{-6}y^2},w\ne0,y\ne0[/tex]Step 1:Apply the fraction rule
[tex]\begin{gathered} \frac{-a}{-b}=\frac{a}{b} \\ \frac{-5}{-15}=\frac{1}{3} \end{gathered}[/tex][tex]\frac{-5w^4y^{-2}}{-15w^{-6}y^2}=\frac{w^4y^{-2}}{3w^{-6}y^2}[/tex]Step 2:Apply the law of indices
[tex]\frac{a^m}{a^n}=a^{m-n}[/tex][tex]\frac{w^4y^{-2}}{3w^{-6}y^2}=\frac{w^{4-(-6)}y^{-2-2}}{3}[/tex][tex]\begin{gathered} \frac{w^{4-(-6)}y^{-2-2}}{3} \\ =\frac{w^{4+6}y^{-4}}{3} \\ =\frac{w^{10}y^{-4}}{3} \end{gathered}[/tex]Step 3: Apply the fractional exponent of indices
[tex]a^{-m}=\frac{1}{a^m}[/tex][tex]\begin{gathered} \frac{w^{10}y^{-4}}{3} \\ =\frac{w^{10}}{3}\times\frac{1}{y^4} \\ =\frac{w^{10}}{3y^4} \end{gathered}[/tex]Hence,
The final answer = w¹⁰/3y⁴
Answer the questions below.
Answers
Answer:21
Step-by-step explanation:
Identify the transformation from ABC to A'B'C' .(x+4, y+8)(x-4, 4-8)(x+8, y+4)(x-8, y-4)
Answers
When you locate the coordinates of A it is (-4, 1)
Locate the coordinates of A', it is : (4, 5)
This implies, 8 was added to the x coordinate and 4 was added to the y-coordinate
Hence, the transformation is;
(x + 8, y+4)