Not sure what to do here.

Not Sure What To Do Here.

Answers

Answer 1

The trigonometric ratios of the right triangle are as follows:

sin E = 12 / 13cos E = 5 / 13tan E = 12 / 5sin F = 5 / 13cos F = 12 / 13tan F = 5 / 12

How to find the angles of right triangle?

A right triangle is a triangle that has one of its angles as 90 degrees.

The side and angles of a right triangle can be solved using trigonometric ratios.

The ratios of the sides of a right triangle are called trigonometric ratios.

A right angle triangle has the opposite side, adjacent side and hypotenuse side depending on the angles location.

Using ratios,

sin ∅ = opposite / hypotenuse

cos ∅ = adjacent / hypotenuse

tan ∅ = opposite / adjacent

Therefore,

sin E = 12 / 13cos E = 5 / 13tan E = 12 / 5sin F = 5 / 13cos F = 12 / 13tan F = 5 / 12

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Related Questions

The rectangle below has an area of 70y^8+30y^670y
8
+30y
6
70, y, start superscript, 8, end superscript, plus, 30, y, start superscript, 6, end superscript.
The width of the rectangle is equal to the greatest common monomial factor of 70y^870y
8
70, y, start superscript, 8, end superscript and 30y^630y
6
30, y, start superscript, 6, end superscript.
What is the length and width of the rectangle?



\text{Width} =Width=start text, W, i, d, t, h, end text, equals
\text{Length} =Length=start text, L, e, n, g, t, h, end text, equals

Answers

The width of the rectangle with area 70y⁸+ 30y⁶ is; 10y⁶.

Then the length of the rectangle with area 70y⁸+ 30y⁶ is; (7y² + 3).

What are the dimensions of the rectangle?

The area of a rectangle is given by;

Area = Length× width

Given that;

The area of the rectangle = 70y⁸ + 30y⁶

Now, 70y⁸ can be broken down to; 7×5×2×y×y×y×y×y×y×y×y

And 30y⁶ can be broken down to; 5×3×2×y×y×y×y×y×y

The common factors of 70y⁸ and 30y⁶ are = 5,2,y,y,y,y,y,y

Thus, the greatest common factor of 70y⁸ and 30y⁶ is;

5×2×y×y×y×y×y×y = 10y⁶

Therefore our area 70y⁸+ 30y⁶ can be factorized to get;

A = 10y⁶(7y² + 3)

The greatest common monomial of 70y⁸+ 30y⁶ is 10y⁶ which is the width of the rectangle.

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Please help me I really need help. ILYSM THANK YOU :)

How many pounds of apples will he get if he goes to David’s orchard?

Answers

The pounds of apples that he get if he goes to David’s orchard is 20 pounds.

How to calculate the pounds of apples?

Let the assumed amount with him be $40.

It should be noted that for David's orchard, the first ten pounds are $2 per round and each additional round is $1 per pound.

Therefore, the expression to illustrate this will be:

($2 × 10) + ($1 × r)

where r = additional pounds

Therefore,

($2 × 10) + ($1 × r) = $40

20 + r = 40

r = 40 - 20

r = 20

He will get 20 pounds.

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Find m/BCD if m and m

Answers

Answer: 180

Step-by-step explanation:

1) Add the two angles together

160 + 20 = 180

180

You can tell this because a 180-degree line is flat, just like in this picture.

7.25 to the nearest tenth

Answers

Answer:

7.3

Step-by-step explanation:

Above 5- round up

below 5- round down

I need help with this pls ​

Answers

Answer:

B

Step-by-step explanation:

The given fraction means to divide -3/8 by -7/54.

You are dividing a fraction, -3/8, by another fraction, -7/54.

To divide a fraction by a fraction, multiply the first fraction by the reciprocal of the second fraction.

-3/8 / -7/54 = -3/8 • (-54/7)

Answer: B

Hello!

Let's solve:

 [tex]\text{Write down the function}\\\dfrac{-\dfrac{3}{8} }{-\dfrac{7}{54} } \\\\\\\text{When dividing by a fraction, flip the fraction over and multiply it to the numberator}\\-\dfrac{3}{8} *-\dfrac{54}{7}[/tex]

Thus an equivalent multiplication expression is choice (B)

Hope that helps!

Determine if 0.18750.1875 is rational or irrational and give a reason for your answer.
Need this answer ASAP

Answers

Step-by-step explanation:

All decimals which either terminate or have a repeating pattern after some point are also rational numbers. The number 0.2 is a rational number because it can be re-written as 1/5 . The number 0. 33333… is a rational number because it can be re-written as 1/3 .

5

8

of the staff are male. 5

12

of the staff works part time at

the aquarium. What fraction of the staff is female?

Answers

The fractions of the staffs that are female if the total fraction of staff is 5/12 is 5/24.

Difference between fractions

Fractions are expressed as a ratio of two integers. Given the following parameters;

Fraction of staffs that works in the aquarium = 5/12

Fractions of staffs that are male = 5/8

Determine the fraction of female staffs

Fraction of female staffs = 5/8 - 5/12

Fraction of female staffs = 30-20/48

Fraction of female staffs = 10/48

Fraction of female staffs = 5/24

Hence the fraction of the staff is female is 5/24.

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Dakota Lane purchased a car stereo for
$279.99. If he made a 35% down pay-
ment, how much did he finance?
A $189.99
C
$181.99
1
B $244.99
D $98.99

Answers

Answer: D

If you say “35% of 279.99” first you find out what 35% is as a number:
35% = 0.35
“of” means multiplication, so multiply 0.35 • 279.99 = 97.996
Round up: 98.99

a credit score is used by credit agencies​ (such as mortgage companies and​ banks) to assess the creditworthiness of individuals. values range from 300 to​ 850, with a credit score over 700 considered to be a quality credit risk. according to a​ survey, the mean credit score is . a credit analyst wondered whether​ high-income individuals​ (incomes in excess of​ $100,000 per​ year) had higher credit scores. he obtained a random sample of ​high-income individuals and found the sample mean credit score to be with a standard deviation of . conduct the appropriate test to determine if​ high-income individuals have higher credit scores at the level of significance.

Answers

There is insufficient evidence to conclude that those with the high incomes are the ones that have the more credit scores.

How to carry out the hypothesis test

We have the bar x = 705.9

The value of n = 34

mean = 724 . 1

standard deviation = 83.4

the level of significance = 5 percent level

The Hypothesis formulation

The null hypothesis H0 = u 705.9

alternative hypothesis = H1 u > 705.9

The t test is given as x - u / s /√n

= (724.1 - 705.9) / (83.4 / √34)

= 1.2725

The degree of freedom = 34 - 1 = 33

The test that we have here is a right tailed test

The p value for the test is given as probability of p (t33 > t)

= 0.1064

From the solution that we have here, we can see that the p value that has been calculated is greater than the level of significance.

Given that this is the case, the decision rule would be for us not to reject the null hypothesis.

There is insufficient evidence to the claim that the high income persons have the greater credit scores.

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How many twelfths are in 3 2/3?

Answers

To make a mixed number from an improper fraction, divide the numerator by the denominator then there exists eight twelfths in two-thirds.

How to convert mixed numbers to improper fraction?

Multiply the full number by the denominator to convert a mixed number to an improper fraction. Include it in the numerator. Add that total to the denominator from the beginning.

To make a mixed number from an improper fraction, divide the numerator by the denominator. After division, the mixed number is produced in such a way that the obtained quotient becomes the entire number, the remainder becomes the new numerator, and the denominator remains constant.

Let the value be [tex]$3 \frac{2}{3}$[/tex].

Convert mixed numbers to improper fraction:

[tex]$a \frac{b}{c}=\frac{a \cdot c+b}{c}$[/tex]

substitute the values in the above equation, we get

[tex]$&3 \frac{2}{3}=\frac{3 \cdot 3+2}{3}=\frac{11}{3} \\[/tex]

Therefore, there exists eight twelfths in two-thirds.

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Help!! Me! Please

(You don’t have to answer all)


1. Which kind of model do you think best represents the profit for each business?

2. Find a function that models the profit you can expect, based on your projections, for each business. You can round your values to the nearest thousandth, as needed.

Answers

Answer:

Please see below for answers and explanation and attachments

Step-by-step explanation:

These models are best figured out using regression analysis which is a rather complicated computation but luckily there are calculators that can solve

1. The best way to approach this problem is to plot the values and see whether the model is a linear equation or a higher degree equation.

For all three cases it appears that the equations are not linear which would have suggested a model of the form y = mx + b where y = profit in $, x = hours, m is the slope (rate of increase in profit) and b a constant, the y-intercept

For example if you look at the data for the dog walker table, the increase in $ for every additional hour of service is not constant eliminating a linear model. For the first hour, the increase is $7, the second hour it is $11, the third it is $27

So i assumed a quadratic model of the form y = ax² + bx + c where y = profit in $ and x is the number of hours of service for all three businesses

There are plenty of online calculators out there which can rapidly compute the quadratic regression model parameters fitting the data and provide a level of goodness of fit of the equation through a statistic known as the correlation coefficient, r

I entered the data for all 3 rows and came up with the following results
In all the equations, y represents the profit in $ and x the hours

I have also attached screenshots of the computation results which should be self explanatory

Dog Walker

Equation:
y = 1.05357x² + 8.3964x - 6.7

Correlation Coefficient r:
0.9913546  (pretty high goodness of fit)

House Sitter
Equation:
[tex]y = 1.482x^2 + 1.396x + 9.3[/tex]

Correlation Coefficient r:
0.99556069

Lawn Care
Equation:
y = -5.875x² + 30.582143x + 116.9

Coefficient of Correlation r:
0.9794537681  


The attached screenshots will provide all necessary info.

I hope that helps ya out :)

PLS HELPP I WILL MARK BRAINLIEST

Answers

The halves of triangle CAD are congruent, because sides CB and BA are congruent, they share the center side, and both are right triangles. So, CD = AD, or:

5x + 1 = 4x + 4
5x + 1 - 1 = 4x + 4 - 1
5x = 4x + 3
5x - 4x = 4x + 3 - 4x
x = 3

AD = 4x + 4
= 4(3) + 4
= 12 + 4
= 16
AD = 16

[tex]\huge \boxed{\sf 16} \\\\\\\displaystyle \sf Both\ right\ triangles\ are\ a\ reflection\ of\ each\ other.\\ Thus,\ they\ are\ equal\ in\ size.\\\\5x+1=4x+4\\5x-4x=4-1\\x=3 \\\\Substituting\ x=3\\\\4(3)+4=12+4=16[/tex]

the length of a rectangle is increasing at a rate of 5 cm/s and its width is increasing at a rate of 7 cm/s. when the length is 11 cm and the width is 9 cm, how fast is the area of the rectangle increasing (in cm2/s)?

Answers

The area of the rectangle is increasing at a rate of 122cm²/s if the length of the rectangle is 11 cm and the width is 9 cm.

The area of a rectangle can be described as the product of the length and width of that rectangle, therefore;

Area = L × W

Here L represents length and W represents the width

Now by differentiating using the product rule;

dA/dt = (dL/dt)(W) + (dW/dt)(L)

As the length is 11 cm and the width is 9 cm and the length is increasing at a rate of 5 cm/s and its width is increasing at a rate of 7 cm/s; substituting these values in the equation;

dA/dt = (5)(9) + (7)(11)

dA/dt = 45 + 77

dA/dt = 122

Hence,  the area of the rectangle is increasing at the rate of 122cm²/s.

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At midnight, the temperature was -5°C.

By 9 am the next morning, the temperature had increased by 3°C .

Work out the temperature at 9 am the next morning.

Answers

Answer:  -2 degrees Celsius

Explanation:

Draw a vertical number line as shown below.

Plot -5 on the number line which is 5 units below 0.

Then move up 3 units to arrive at -2

This shows us that -5+3 = -2

Arthur crafts miniature chocolate dollhouses which he sells for $24 each. arthur has calculated the breakeven level of revenues for his business at $1,720 of sales. the dollhouses have a variable cost of $12 to produce per unit. what are arthur's fixed costs?

Answers

Answer: you mom loves your neighbor

Step-by-step explanation: because the do things together

Some one help pls!!! Solve p = kwm for k

Answers

P equals 13 and kwm equals 201 and k equal 20

a bag contains 10​ white, 12​ blue, 13​ red, 7​ yellow, and 8 green wooden balls. a ball is selected from the bag and kept. you then draw a second ball and keep it also. what is the probability of selecting one white ball and one blue​ ball? round your answer to four decimal places.

Answers

Answer:0.096

here this is your answer

What can -85 be classified as like a Rational, Whole or a Integer number?​

Answers

Answer:

-85 is rational and an integer, though an integer is the most specific

Step-by-step explanation:

Whole numbers do not include negative numbers

:]

The principal would like to assemble a committee of 5 students from the 15-memberstudent council. How many different committees can be chosen?

Answers

SOLUTION

The question involves combination since it only deals with the selection without arrangement.

Hence the formula to use is

[tex]^nC_r=\frac{n!}{(n-r)!r}[/tex]

For this question, we have

[tex]\begin{gathered} n=15,r=5 \\ ^nC_r=\frac{n!}{(n-r)!r} \\ \text{becomes } \\ ^{15}C_5=\frac{15!}{(15-5)!5!} \end{gathered}[/tex]

Simplifying the last expression we obtained

[tex]\begin{gathered} ^{15}C_5=\frac{15!}{10!5!} \\ =\frac{15\times14\times13\times12\times11\times10!}{10!\times5!} \\ =3003 \end{gathered}[/tex]

Therefore,

The number of committees to be chosen is 3003

What is the slope of the line that passes through the points (0, -10)
and (-4,-11)?

Answers

Answer: - 4 /1 x -10

Step-by-step explanation:

the rise is -4

the run is -1

the y intesept is -10

a patient is known to have contracted a rare disease which comes in two forms, represented by the values of a binary random variable d ∈ {0,1}. symptoms of the disease are represented by the binary random variables sk ∈{0,1}, and knowledge of the disease is summarized by the belief network:

Answers

According to a societal viewpoint, sickness and treatment characteristics that the general public values highly should be taken into account within value frameworks.

The study's goal was to better understand how the general public values characteristics other than health benefits and costs associated with the healthcare system, as well as how they value characteristics that are often associated with rare genetic disorders like Duchenne muscular dystrophy (DMD). The general population placed a high value on attributes including disease severity, impact on life expectancy and HRQoL, and treatment accessibility. These results add to the mounting data that emphasizes the usefulness of broadening value assessments to incorporate characteristics seen as significant from a societal standpoint.

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One employee of a computer store is paid a base salary of 2000 a month plus an 8% commision on all sales over 7000 during the month. how much must the employee sell in one month to earn a total of 4000 for the month

Answers

According to this, the answer is that the employee must sell $32,000 in one month to earn a total of $4,000 for the month.

From the information given, the equation would indicate that the total salary is equal to the base salary plus the result of subtracting $7,000 from the amount of sales for 8%:

2000+(x-7,000)*0.08=4,000, where x is the amount of sales

Now, you can solve for x:

2,000+0.08x-560=4,000

0.08x+1440=4,000

0.08x=4,000- 1440

x=2,560/0.08

x=32,000

According to this, the answer is that the employee must sell $32,000 in one month to earn a total of $4,000 for the month.

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15. Write an equation that goes through point (-6, 8) and has a y-intercept of -4.

Answers

Answer:

y = -2x - 4

Step-by-step explanation:

First, substitute the known values into the slope-intercept form, y = mx + b, where m represents the slope of the line and b represents the y-coordinate of the point of intersection of the line and the y-intercept. We are given that the graph has a y-intercept of -4, so substitute -4 for b. The graph contains the point (-6, 8), so substitute -6 for x and 8 for y.

8 = -6m - 4

12 = -6m

m = -2

Finally, substitute -2 for m and -4 for b to write the equation of the line in the form, y = mx + b.

y = -2x - 4

2(w + 2) - 5w simplify

Answers

Answer: -3w + 4

Step-by-step explanation:

2(w+2) - 5w

2w + 4 - 5w

-3w + 4

Express 9 as a fraction of 27.
Give your answer in its simplest form.

Answers

Answer:

[tex]\frac{9}{27}[/tex] =[tex]\frac{3}{9}[/tex] = [tex]\frac{1}{3}[/tex] = [tex]3[/tex]

Hope this will help you

Determine the rate of change on the graphs below ​

Answers

Answer:

a. 3

b. -3/2

c. 4/3

d. -5/3

e. 0

f. undefined

Step-by-step explanation:

If tomorrow is Friday, then today is Thursday.

Answers

That means yesterday was Wednesday

find the lcm:- x⁴+x³-x²-x, x⁴-x and 4x²-4.​

Answers

The LCM of both the factors x⁴+x³-x²-x, x⁴-x and 4x²-4 is discovered to be x(x+1)²(x-1).

Explain LCM.

The LCM of any two numbers is the value that is evenly divisible by the two given numbers. Least Common Multiple is an abbreviation for Least Common Multiples. It's also known as the Least Common Divisor (LCD).

What exactly is an LCM example?

The smallest integer that is a multiple of two or more numbers is known as the LCM. For instance, the LCM of 4 and 6 is 12, and the LCM of 10 and 15 is 30.

The two given expressions are:

x⁴+x³-x²-x, x⁴-x and 4x²-4

Let us simplify both these factors.

x⁴+x³-x²-x = x(x³ + x² -x -1)

                = x(x+1)(x+1)(x-1)

                = x(x+1)²(x-1)

4x²- 4 = 2²(x+1)(x-1)

Multiplying each factor with the highest power,

4x²- 4  = 2²x(x+1)²(x-1)

           = 4x(x+1)²(x-1)

Thus x(x+1)²(x-1) is the least common factor of both factors.

As a result, it is discovered that the LCM of  x⁴+x³-x²-x, x⁴-x and 4x²-4. is x(x+1)²(x-1).

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what does the point (1,18) represent

Answers

The point (1, 18), in the proportional relationship, means 18 cookies will require 1 cup of flour.

How to Interpret a Proportional Relationship Graph?

In a proportional relationship graph that models the relationship between two variables, x and y, a point on the graph means the value of x that will give a corresponding value of y. It is expressed as, (x, y).

(x, y) means the quantity of x that will give a corresponding quantity of y considering the proportional relationship between variables x and y.

Thus, the graph shows a proportional relationship between the number of cups of flour (y) that was used to make different numbers of cookies.

Thus, the point (1, 18) means that for 18 cookies to be made, 1 cup of flour is to be used.

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question 5 (10 points)

Answers

The answer is 924
You calculate the parenthesis
Then the exponents
After that u multiply and divide (left to right)
Add and subtract (left to right)
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