2 years ago

WHOEVER ANSWERS CORRECTLY I'LL GIVE BRAINLIEST!!!!!!!!!!!

Mathematics

2 answers:

Likurg_2 [28]2 years ago

8 0

Answer:

answer what ?

Step-by-step explanation:

grigory [225]2 years ago

7 0

Answer:

Please post your question

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SOMEBODY PLEASE HELP!!!!<br> GIVING 98 POINTS

marusya05 [52]

What is the question if it 98-49 than it would be 49

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2 years ago

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An article in Medicine and Science in Sports and Exercise "Maximal Leg-Strength Training Improves Cycling Economy in Previously

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]

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2 years ago

If 7x+3=24 what is the value of 5-4x?

sleet_krkn [62]

If 7x+3=24, that means x would be 3 so if you take 5-4x then that would be -7.

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3 years ago

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Ques no 1 b) help me!!!!! <br> I will give you brainliest plzzz

saul85 [17]

Answer:

-4/5

Step-by-step explanation:

r=x/2

a=2x

ar²=-1/16

x^3=-1/8

x=-1/2

sn=a/1-r

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2 years ago

Find the value of x in the triangle shown below

elixir [45]

Answer:

A) x=6

Step-by-step explanation:

6.5^2-2.5^2=x^2

42.25-6.25=x^2=36

x=6

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2 years ago

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