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Ilia_Sergeevich [38]
3 years ago
12

Please help me wit dis part #2!!!

Mathematics
1 answer:
kow [346]3 years ago
6 0

A)     The relationship between the amount of hours spent studying and the test scores increase with time in a positive direction showing a positive correlation.

B)     Y=8x+40

Y=8(3) +40

Y=24+40

Y= 64

C)      The 40 stands for the initial score the student can get without any studying


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9x - 3 = 7 (x + 3) + 2n<br><br>answer and ur marked brainly master​
Anna007 [38]

Hey there!

9x - 3 = 7(x + 3) + 2n

➡️ 9x - 3 = 7(x) + 7(3) + 2n

➡️ 9x - 3 = 7x + 21 + 2n

ADD -7x to BOTH SIDES

2n + 7x + 21 + (-7x) = 9x - 3 + (-7x)

SIMPLIFY IT!

2n + 21 = 2x - 3

ADD -21 to BOTH SIDES

2n + 21 + (-21) = 2x - 3 + (-21)

SIMPLIFY THIS AS WELL!

2n = 2x - 24

DIVIDE 2 to BOTH SIDES

2n/2 = (2x - 24)/2

FINALLY SIMPLIFY THIS LAST STEP!

n = x - 12

Answer: n = x - 12

Good luck on your assignment and enjoy your day!

~Amphitrite1040:)

3 0
3 years ago
What is the y-intercept of the function f(x)=4 – 5x?<br> A. -5<br> B. -4<br> C. 4<br> D. 5
Olin [163]
The Y-intercept is C. 4
3 0
3 years ago
Read 2 more answers
HELP!!!!
Lera25 [3.4K]

Answer:

  • a. the y-intercept of f(x) is greater than the y-intercept of g(x)

Step-by-step explanation:

<u>Given function:</u>

  • f(x)=(x - 4)^2 - 4

<u>We can work out the function from the table values:</u>

  • g(x) = (x + 2)^2 - 4

<u>Options:</u>

a. the y-intercept of f(x) is greater than the y-intercept of g(x)

  • True. x= 0 ⇒ f(0) = (-4)^2 - 4 = 12, g(0) = 2^2 - 4 = 0

b. The y-intercept of g(x) is greater than the y-intercept of f(x)

  • False. See previous option.  

c. The y-coordinate of the vertex of f(x) s greater than the y-coordinate of the vertex of g(x)

  • False. They are same = -4

d. The x-coordinate of the vertex of g(x) is greater than the x-coordinate of the vertex of f(x)

  • False. -2 vs 4
7 0
3 years ago
A random sample of size n1 = 16 is selected from a normal population with a mean of 75 and standard deviation of 8. A second ran
gavmur [86]

Answer:

the answer is in the attached image below

Step-by-step explanation:

4 0
4 years ago
One integer is 3 times another if the product of the two integers is 75 then find the integers
Kitty [74]

Answer: HOPE THIS HELPED! :D

5 x 15 = 75

Step-by-step explanation:

15 is 3x 5

and product do 3x15 is 75

so answer would be

5    &     15

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3 years ago
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