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2 years ago

8

With the trend on this scatter plot, how many hours per week would a level-9 gymnast practice?

2 answers:

soldier1979 [14.2K]2 years ago

8 0

Answer: C

Step-by-step explanation:

I don't really know how to explain it

Vsevolod [243]2 years ago

6 0

I think that it would be C

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What are the solutions to the nonlinear system of equations below?

Sonbull [250]

Substitute y=4x to the second equation:

x^2 + (4x)^2 = 17
x^2 + 16x^2 = 17
17x^2 = 17
x^2 = 17/17
x^2 = 1
x = 1 and -1

When x=1, y=4(1) = 4
When x=-1, y=4(-1) = -4

Thus the solutions would be (1,4) and (-1,-4). That would correspond to D. and A.

5 0

3 years ago

Pls help I don't understand:

sineoko [7]

Answer:

Part a) $T(d)=2d+30$

Part b) $T(6)=42\ minutes$

Step-by-step explanation:

Part a) Write an equation for T (d)

Let

d ----> the number of days

T ---> the time in minutes of the treadmill

we know that

The linear equation in slope intercept form is equal to

$T=md+b$

where

m is the slope or unit rate

b is the y-intercept or initial value

In this problem we have

The slope or unit rate is

$m=2\ \frac{minutes}{day}$

The y-intercept or initial value is

$b=30\ minutes$

substitute

$T(d)=2d+30$

Part b) Find T (6), the minutes he will spend on the treadmill on day 6

For d=6

substitute in the equation and solve for T

$T(6)=2(6)+30$

$T(6)=42\ minutes$

8 0

2 years ago

PLEASE HELP I WILL MARK BRAINLIST!!

lina2011 [118]

Answer:

umm whats the question-

7 0

2 years ago

Read 2 more answers

What is two and one-fourth subtracted by one-eighth?

Illusion [34]

Two and one eighth is the answer

3 0

2 years ago

What should I do to get the correct answer?

Blizzard [7]

Answer:

try A

Step-by-step explanation:

3 0

3 years ago