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3 years ago

11

A new gym member wants to burn 525 calories during the first workout and prefers the stationary bike but is considering doing ae

robics instead. How many more minutes will it take to burn 525 calories doing aerobics as opposed to the stationary bike?

1 answer:

S_A_V [24]3 years ago

7 0

Sounds like you’re missing a piece in this problem

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0.3(n-5)=0.4-0.2 solve for n!

mariarad [96]

Answer:

$n = 5.67$

Step-by-step explanation:

0.3(n-5)=0.4-0.2

0.3(n-5) = 0.2

Dividing 0.3 both side

$\frac{0.3(n-5) }{0.3} = \frac{0.2}{0.3}$

$n-5 = 0.67$

$n = 0.67+5$

$n = 5.67$

4 0

2 years ago

Solve y=15(9860)+6997 step by step please!! I'm Stupid :(

puteri [66]

I would probably distribute 15 with the parentheses 15x 9860 which is 147,900 then you would add 6997+147,900
Y= 154187

3 0

3 years ago

Read 2 more answers

On a recent quiz, the class mean was 72 with a standard deviation of 4.2. Calculate the z-score (to 2 decimal places) for a pers

barxatty [35]

Answer:

The Z score of the person is -3.09.

Step-by-step explanation:

The standard normal deviate (Z) for a normal distribution is given by

$Z=\frac{X-\bar{X}}{\sigma }$

where,

X = the value of observation

$\bar{X}$ is mean of the observations and

σ = standard deviation of the score

Applying values we get

$Z=\frac{59-72}{4.2}=-3.09$

5 0

3 years ago

Find the length of a diagonal of a square of side 17cm

Ronch [10]

Answer:

2*17²=length=578

apply Pythagoras theorem

8 0

2 years ago

Pls bro i need help asap

kumpel [21]

Answer:

Step-by-step explanation:

i suck at math um i have no life

6 0

2 years ago