1 year ago

What is the diameter of a pond if the area is 4069. 44

Mathematics

1 answer:

Zielflug [23.3K]1 year ago

6 0

Answer:

Step-by-step explanation:

brainliest please if its right

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Mr. Portillo paid $123.75 for nine tickets to the football game. Each ticket costs the same amount. What was

ExtremeBDS [4]

Answer:

Each ticket costs $13.75.

Step-by-step explanation:

$123.75 for 9 tickets

$\frac{123.75}{9}=13.75$

Each ticket costs $13.75.

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2 years ago

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Doing research for insurance rates, it is found that those aged 30 to 49 drive an average of 38.7 miles per day with a standard

Alja [10]

Answer: 0.4302

Step-by-step explanation:

Given : Mean : $\mu=\text{38.7 miles }$

Standard deviation : $\sigma=\text{6.7 miles }$

Sample size : $n=60$

Also, these distances are normally distributed.

Then , the formula to calculate the z-score is given by :-

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

For x=32.5

$\\\\ z=\dfrac{32.5-38.7}{6.7}=-0.925373134\approx-0.93$

For x=40.5

$\\\\ z=\dfrac{40.5-38.7}{6.7}=0.268656\approx0.27$

The p-value = $P(-0.93$

$=P(0.27)-P(-0.93)=0.6064198- 0.1761855=0.4302343\approx0.4302$

Hence, the required probability :-0.4302

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3 years ago

How many solutions does the system of equations below have?

galben [10]

Answer:

Step-by-step explanation:

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3 years ago

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The selling price of a refrigerator, is $512.50. If the markup is 25 % of the dealer's cost, what is the dealer's cost of th

Anestetic [448]

512.50/125%=410

100% is the dealers cost

25% is the markup

$410 is the dealer's price before markup

410×25%=102.5. 410+102.5=512.5

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3 years ago

Please help me answer this <3

ludmilkaskok [199]

Answer:

x = 30

Step-by-step explanation:

15 = 1/2x

multiply both sides of equation by 2

30 = x

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2 years ago