PLEASE ANSWER THIS MY BRAIN IS EXPLODING!!!! I NEED YOUR HELP!!!! SAVE ME FROM THESE MATH PROBLEMS!!!
(1)
This table shows the minutes students spent studying for their math exam and the scores they received.
Study time (min) 15 10 30 12 17 43 61 20 8 25 31 40
Exam score 80 78 92 72 75 85 99 83 68 88 86 90

Use a graphing calculator to model the data using a linear function.

What is the correlation coefficient of the data?

−0.75
−0.40
0.49
0.87

2)
A group of people tried joining a gym to see if it would help them to lose weight. This table shows the relationship between the number of weeks since each person joined the gym and the number of pounds they have lost.
Weeks 10 8 6 2 1 5 9 8
Pounds Lost (lb) 4 2.5 0 1 0.5 3 3.5 1.5

Which function best models the data?

y = 0.31x + 0.12
y=−0.43x+2.5
y=−1.5x+5.5
y=0.75x−3.5

(3)
What is the strength of the association between the two variables in the scatter plot?
The strength of association is?
A. Weak
B. Strong

Answer:

Step-by-step explanation:

∠1 + 52 = 180   {linear pair}

    ∠ 1 = 180 - 52

      ∠1 = 128

∠4 = 52     {Vertically opposite angles}

∠3 = ∠1      {Vertically opposite angles}

∠3 = 128

∠2  + 44 = 180

       ∠2  = 180 - 44    {linear pair}

        ∠2 = 136

∠5 =  44   {Vertically opposite angles}

∠6 = ∠2     {Vertically opposite angles}

∠6 = 136

∠11 = ∠2    {corresponding angles}

∠11 = 136

∠12 =  44   {corresponding angles}

∠15 = ∠5 {corresponding angles}

∠15 = 44  

∠16 = ∠6   {corresponding angles}

∠16 = 136

∠13 = 52    {corresponding angles}

∠14 = ∠1   {corresponding angles}

∠14 = 128

∠17 = ∠3 {corresponding angles}

∠17 = 128

∠18 = ∠4   {corresponding angles}

∠18 = 52

∠4 + ∠ 5 +∠7 = 180    {angle sum property of triangle}

44 + 52 + ∠7 = 180

         96  + ∠7 = 180

                  ∠7 = 180 - 96

                  ∠7 = 84

∠10 = ∠7     {Vertically opposite angles}

∠10 = 84

∠7 + ∠8 = 180  {linear pair}

84 + ∠8 = 180

       ∠8 = 180 - 84

        ∠8  = 96    

∠9 = ∠8     {Vertically opposite angles}

∠9 = 96

Answer:

the answer is a

Step-by-step explanation:

Square (D)

PLS GIVE BRAINLIEST THANKS

GL WITH THE REST OF UR WORK

Answer:

the first answer should be the one

Graph 2 has opposite expressions

Start by calculating the equations of the functions.

From the graphs, we have the following equations

An opposite function is defined by y = f(x) and y = f(-x)

Graph 1 is an absolute value graph.

Check if y = f(x) and y = f(-x) is true for function 2.

We have:

[tex]f(x) = 2x - 2[/tex]

[tex]f(-x) = 2(-x) - 2[/tex]

[tex]f(-x) = -2(x) - 2[/tex]

For graph 2, f(x) and f(-x) are true.

Hence, graph 2 has opposite expressions

Read more about opposite functions at:

https://brainly.com/question/4292846

Answer:

he will get up to 300 $ in 6 hours.

Answer:

2² × 3²

Step-by-step explanation:

36 = 2 × 2 × 3 × 3 = 2² × 3²

Answer:

it should be d=6t

Step-by-step explanation:

I had this on my test and got 100%

Answer: D=1/6t.

Step-by-step explanation:

because for every 6 minutes Tommy runs 1 mile.

Answer:

hmm i think its A

Step-by-step explanation:

The complete question:

What is the range of values of x for a triangle's third side given side measures

of 8 and 15 for the other two sides?

A) Between 8 and 15

B) Between 7 and 23

C) Less than 7, greater than 23

D) Between 8 and 23

Solution:

The measure of third side will fall Between 8 and 23. So Option D is correct.

The third side of a triangle must be shorter than the sum of the other two sides and longer than the difference between the other two sides. This is known as the Triangle Inequality Theorem.

Given that,

The triangle,

whose two sides has length,

8 and 23 unit

So, for a triangle with sides of 8 and 15, the third side must satisfy the following inequality:

7 < x < 23

Therefore, the range of possible values for the third side of the triangle is:

D) Between 8 and 23

To know more about triangle check:

https://brainly.com/question/14366937

#SPJ6

Answer: 1/6

Step-by-step explanation:

Because there's only one number that's greater than 5 on a numbered cube and that's '6'

Answer:

200= 5/9 of 360

Step-by-step explanation:

360 ÷ 9 = 40

40 × 5 = 200

Answer:

12

Step-by-step explanation:

hope this helps!

Answer:

11

Step-by-step explanation:

First you would switch out the x with 10. Then you would do 10*2-9, 10*2= 20, 20-9= 11, and that will give you 11 as your answer.

Answer:

x = 17

Step-by-step explanation:

Since the triangle is isoceles that means angle UTV is also 43 degrees. The sum of all angles in a triangle is 180 degrees. So construct this equation. 43 + 43 + 43 + 8x - 42 = 180. Now solve for x.

Answer: plant → grasshopper → spider → frog → lizard → fox → hawk.

This is just one food chain that shows the sider and the lizard in the same foodchain. The frog eats the spider, and the lizard eats the frog.

Step-by-step explanation:

Answer: Marcus rents a car for 3 days.

Answer: d. Marcus rents a car for 5 days.

Step-by-step explanation:

If D = the number of days then C=25(5)+15=140(plan b)

C=30(5)=150 (plan a)

Plan b is better because plan b cost less than plan a for 5 days.

Answer:

D. Obtuse

Step-by-step explanation:

Answer:

Obtuse

Step-by-step explanation:

An obtuse angle is anything that is greater than 90 degrees but less than 180. If it was 180 the angle would be flat but if it was 90 it would be right. Because this is in the middle it is obtuse.

Answer: 2

Step-by-step explanation:

Answer:

19

Step-by-step explanation:

Answer:

19

Step-by-step explanation:

(4d - 1)° + 105° = 180°

4d - 1 + 105 = 180

4d = 76

d = 19

Answer:

Assuming you want me to simplify your answer, the answer to your question is x/8-15.

Step-by-step explanation:

Simplify each term by combining 1/4 and x, and then combine x and 1/8 to get -9+x/4-6-x/8. Subtract 6 from -9 for x/4-15-x/8. Write x/4 as a fraction with a CD (Common Denominator) by multiplying by 2/2. Write each expression with a CD of 8. Combine the numerators, subract x from x*2 by reordering x and 2 to get 2*x-x/8-15. Then subract x from x to get x/8-15.

I will give you a pdf where it will be done and how I do it, I hope that it served you

Answer:

28p+23

Step-by-step explanation:

i think this is it I was only in 6th grade 2 years ago

Answer:

361

Step-by-step explanation:

Write it out like.. (900-40-7)-(500-80-6)=361

Answer:

Because it says A DAY which means 1 day

Step-by-step explanation:

Which means 3:1 that is a unit rate

HOPE THIS HELPS

PLZZ MARK BRAINLIEST

Answer:

C

Step-by-step explanation:

It is C because three meals are happening in a day. And c says three meals in one day. SO ya its c very hard to explain.

Answer:

-45 is the answer good luck

Answer:

-45 is your answer hope this helps

Answer:

$20

Step-by-step explanation:

$480/24=20

msjdhd

Answer:

it would be a 50% chance

Answer:

Parallelogram

Step-by-step explanation:

Parallelograms have 2 sets of parallel sides, hence the name.

Answer:

where is the thing that we have to do written on here?

Answer:

can we please see the world problem?

Step-by-step explanation:

Answer: 24 pieces of sushi from dragon sushi cost $36

24 pieces of sushi from yuki´s steakhouse cost $30

Step-by-step explanation: 1.50 x 24

1.25 x 24 and thats your anser

Answer:

80 pages

Step-by-step explanation:

$1500 - $300 gaurenteed from monthly = 1200

1200/15=80 pages he has to sell (15 * 80) = 1200

Answer:

Subtract 

23

\frac{2}{3}32

 from both sides of the equation

5+23=−16

5a+\frac{2}{3}=-\frac{1}{6}5a+32=−61

5+23−23=−16−23