3 years ago

The prism below is made of cubes which measure 1/4 of an inch on one side. What is volume

Mathematics

1 answer:

choli [55]3 years ago

4 0

Volume of cube=side length cubed

1/4^3=0.015625in^3

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Construct the 95% confidence interval for the population mean using the appropriate distributions. a. A random sample of 50 peop

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Answer: 95% confidence interval would be (26.01,29.39).

Step-by-step explanation:

Since we have given that

n = 50

Mean = 27.7

Standard deviation = 6.12

We need to construct 95% confidence interval for the population.

so, z = 1.96

So, it becomes,

$\bar{x}\pm z\times \dfrac{\sigma}{\sqrt{n}}\\\\=27.7\pm 1.96\times \dfrac{6.12}{\sqrt{50}}\\\\=27.7 \pm 1.69\\\\=(27.7-1.69,27.7+1.69)\\\\=(26.01,29.39)$

Hence, 95% confidence interval would be (26.01,29.39).

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4 years ago

$1900 at 9 for 2 years

vekshin1

Answer:

$342

Step-by-step explanation:

Complete question

Find the simple interest on $1900 at 9% for 2 years.

Simple interest PRT/100

Given

Principal P = 1900

Rate R = 9%

Time T = 2years

Substitute

Simple interest = 1900*9*2/100

Simple interest = 19*18

Simple interest = $342

Hence the simple interest on $1900 at 9% for 2 years is $342

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3 years ago

Solve this quadratic equation by completing the square x^2+8x=10

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Answer:

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Step-by-step explanation:

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Which names accurately describe figure PQRS? Select three options.

kobusy [5.1K]

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parallelogram

Step-by-step explanation:

four sided and parallel

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Estimate the product of 25.311 × 4.65. Round each number to the nearest whole number. Estimate the product of 25.311 × 4.65. Rou

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25 * 5 = 125

answer 125

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