A pair of equations is shown below:y = 7x − 9
y = 3x − 1

Part A: In your own words, explain how you can solve the pair of equations graphically. Write the slope and y-intercept for each equation that you will plot on the graph to solve the equations. (6 points)

Part B: What is the solution to the pair of equations? (4 points)

Answers

Answer 1

Answer: Asking the Math Gods...

X=2
Y=5

Sub y=3x-1
[(3x-1)=7x-9]
Isolate x for (3x-1)=7x-9: x=2

for y=3x-1
Sub x=2
y=3*2-1 y=5

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Given the function f (x) = 8x2 - 14x – 10, find f -2).

C(squared)L(squared) + 100v(squared) = 100c(squared)
I have to solve for L

Answers

first subtract 100v² from both sides to get:

C²L²=100c²-100v²

Then divide both sides by C²:

L²=(100c²-100v²)/C²

Then take the square root of both sides:

L=+ or - the square root of (100c²-100v²)/C²

Answer:

L = ±√( (100c² - 100v²) / C² )

Step-by-step explanation:

You're just doing reverse PEMDAS.

So first get all the values correlated with L on one side and the non-L values on the other side using subtraction/addition.

Then remove all coefficient using multiplication/division.

Then take the sqareroot to get rid of the squre on the v.

Remember that taking squareroot gives a ± answer because

(x)² = (-x)²

Which of the following distributions describes the ratio of two variances drawn from the same normal population? a. F statistic b. Student’s t-test c. Chi-square d. Normal

Answers

Answer:

The distribution that describes the ratio of two variances drawn from the same normal population is a) F statistic.

Answer: THE ANSWER IS A (F STATISTIC)

Step-by-step explanation:

THE DISTRUBUTION THAT DESCRIBES THE RATIO OF TWO VARIANCE DRAWN FROM THE SAME NORMAL POPULATION IS A) f statistic

In a right triangle, angle C measures 40. the hypotenuse of the triangle is 10 inches long. what is the approximate length of the side adjacent to angle C

Answers

answer is 7.66"or 7.7"
cos40=x/10
calculate # 10*cos40
*note .. in your calculator don't forget to 'Degree'
[calculate]
10*cos40
answer is 7.7"

Joe has 3 1/4 gallons of punch. He adds 1 1/2 quarts of juice to the punch . He drinks 1/4 quarts of punch . Which expression can be used to fine the number of quarts of punch joe has left