3 years ago

In the diagram, ATPR ~ AXPZ. Find the length of the altitude PY

Mathematics

1 answer:

ruslelena [56]3 years ago

6 0

8.9 I am pretty sure

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the perimeter of an isosceles trapezoid is 62 cm. if three sides are equal in length and the fourth side is 10 cm longer, find t

Alja [10]

Perimeter = sum of all the sides
let x = one side
longer side = x + 10
Perimeter = x + x + x + x + 10
62 = 4x + 10
4x = 52
x = 13
Longer side = 23

Area = (10+23)x2/10
= 6.6

5 0

3 years ago

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What is the answer to 6(c+5)

Anna [14]

Answer:

6c+30

Step-by-step explanation:

Distribute it!

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3 years ago

At Keller's Bike Rentals, it costs 42$ to rent a bike for 8 hours. How many hours of bike use does a customer get per dollar? ro

Verizon [17]

Answer:336

Step-by-step explanation:

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3 years ago

The first 5 numbers of a sequence are shown below. Which of the following functions produces the sequence with n: (1, 2, ...,

Rasek [7]

Answer:

Step-by-step explanation:

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3 years ago

A study has indicated that the sample size necessary to estimate the average electricity use by residential customers of a large

Zanzabum

Answer:

$\sigma=547.1125$

Step-by-step explanation:

-The margin of error is calculated using the formula:

$ME=z_{\alpha/2}\times \frac{\sigma}{\sqrt{n}}\\\\$

-We substitute the values, n=900 and ME=30 in the formula to solve for standard deviation:

$ME=z_{\alpha/2}\times \frac{\sigma}{\sqrt{n}}\\\\\\30=1.645\times\frac{\sigma}{\sqrt{900}}\\\\\sigma=\frac{30^2}{1.645}\\\\=547.1125$

Hence, the population standard deviation is 547.1125

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4 years ago