3 years ago

Craig earns extra money as a lifeguard. He earns $36 for 4 hours and $63 for 7 hours. Determine the constant of proportionality.

1 answer:

6 0

Answer:

9.25$

Step-by-step explanation:

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nydimaria [60]

9u-9t=18

original no. is 10t+u
reversed no. is 10u+t

so its (10u+t)-(10t+u)=18
which gives 9u-9t=18

5 0

3 years ago

True [87]

Answer: 300

You need to change 9% into a decimal so it would be 0.09

Then divide 27 ÷ 0.09 = 300

So 9% of 300 is 27

3 0

2 years ago

cricket20 [7]

Answer: 2.28 %

Step-by-step explanation:

Given : Mean : $\mu=\ 48$

Standard deviation : $\sigma= 12$

The formula to calculate the z-score :-

$z=\dfrac{x-\mu}{\sigma}$

For x = 72

$z=\dfrac{72-48}{12}=2$

The p-value = $P(2$

$1-0.9772498=0.0227502\approx0.0228$

In percent, $0.0228\times100=2.28\%$

Hence, the percentage of pediatricians work more than 72 h per week = 2.28 %

4 0

3 years ago

zysi [14]

Nkoooooooooooooooooooooooo

5 0

3 years ago

SVEN [57.7K]

Answer:

Step-by-step explanation:

4 0

3 years ago