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3 years ago

Using the equation y = 8x , what would y be if x = 2

Mathematics

2 answers:

Helga [31]3 years ago

8 0

Answer:

Y=16

Step-by-step explanation:

Becasue if you substitute 2 in for x, you get 8 times 2=16

coldgirl [10]3 years ago

7 0

Answer:

y=8 and

x=2

If x=2, then

8x=8*2=16

so therefore , y=8x i.e 16

y=16

SIMPLE AS THAT !!

Step-by-step explanation:

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Hatshy [7]

Answer:

The 99% confidence interval for the mean peak power after training is [299.4, 330.6]

$299.4\leq\mu\leq 330.6$

Step-by-step explanation:

We have to construct a 99% confidence interval for the mean.

A sample of n=7 males is taken. We know the sample mean = 315 watts and the sample standard deviation = 16 watts.

For a 99% confidence interval, the value of z is z=2.58.

We can calculate the confidence interval as:

$M-z\sigma/\sqrt{n}\leq\mu\leq M+z\sigma/\sqrt{n}\\\\315-2.58*16/\sqrt{7}\leq\mu\leq 315+2.58*16/\sqrt{7}\\\\315-15.6\leq \mu\leq 315+15.6\\\\299.4\leq\mu\leq 330.6$

The 99% confidence interval for the mean peak power after training is [299.4, 330.6]

5 0

3 years ago

By using (17,-13) (17,8) what is the slope

uysha [10]

Y2-y1/x2-x1

8-[-13]/17-17

21/0

this is called undefined because its denominator is zero.

4 0

3 years ago

6 (r - 4) + r + 30 - 7r

GrogVix [38]

6r-24+r+30-7r (the we divide the regular numbers on one side and the others on the other side)Like this:
(6r+r-7r)+(-24+30)
(7r-7r)+6
And the final answer is 6

8 0

4 years ago

Can a scale factor change?

Fiesta28 [93]

Answer:yes

Step-by-step explanation:divide each dimension

6 0

3 years ago

Tabitha walked 13.5 miles in 3 hours. at that speed how many miles will she wallk in seven hours?

NISA [10]

Answer: 31.5 miles

Step-by-step explanation: know how many miles tabitha walked per hour, which is 4.5 miles. then multiply 13.5 x 2, and add 4.5 to receive your answer - 31.5.

8 0

3 years ago

Read 2 more answers