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3 years ago

Find the volume of the solid. Round to the nearest tenth, if necessary.

Mathematics

1 answer:

puteri [66]3 years ago

3 0

Answer:

I think it is correct

Step-by-step explanation:

length=10m

height=12

breadth = 3m

volume = l*b*h

10*12*3

120*3

360m^3

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2x^3=28<br><br> find the exact solution for x

Alborosie

Answer:

The answer to your question is: x = 2.41

Step-by-step explanation:

2x³ = 28

x³ = 28/2

x³ = 14

x = ∛14

x = 2.41

6 0

3 years ago

What is the volume of a rectangular prism with length 13 cm, height 7 cm, and width 5 cm? 455 cm³ 455 cm 455 cm²

Rama09 [41]

Answer:

$455 cm^3$

Step-by-step explanation:

A three dimensional configuration with its face shaped of rectangle is called a Cuboid. So, the prism is in the shape of a cuboid.

The volume of a cuboid = Length *Breadth*Height

$=13cm*5cm*7cm\\=455cm^3$

The volume of the cuboid shaped prism is $455 cm^3$

7 0

3 years ago

Given the recursive formula below, what are the first 4 terms of the sequence?

ANEK [815]

Answer:

17,15,13,11

Step-by-step explanation:

From the formula

$f(n) = f(n - 1) - 2 \\ f1 = 17 \\$

we can deduce the next three terms as follows:
$f(2) = f(2 - 1) - 2 \\ f(2)= f(1) - 2 \\ f(2) = 17 - 2 \\ f(2) = 15\\$
$f(3) = f(3 - 1) - 2 \\ f(3)= f(2) - 2 \\ f(3) = 15 - 2 \\ f(3) = 13\\$
$f(4) = f(4 - 1) - 2 \\ f(4)= f(3) - 2 \\ f(4) = 13 - 2 \\ f(4) = 11\\$
Hence the sequence is; 17, 15, 13, 11,...

4 0

2 years ago

A fashion designer wants to know how many new dresses women buy each year. Assume a previous study found the standard deviation

horsena [70]

Answer:

649

Step-by-step explanation:

Given that

Mean number of dresses is 5.5

Standard deviation of the sample, S.D is 1.3

Margin of error, M.E is 0.1

Level of confidence is 95% or 0.95

The formula for margin of error, M.E is

Z * (S.D/√n) , where

Z = Value for level of confidence which is 1.96

Proceeding further, we have

0.1 = 1.96 * (1.3/√n)

0.1 = 2.548 / √n, making √n subject of formula, we have

√n = 2.548 / 0.1

√n = 25.48, squaring both sides

n = 25.48²

n = 649.23

Therefore the number of sample size we're looking for is n = 649.23, when rounded to the nearest integer, we have it to be 649

4 0

3 years ago

Is 4/x^4+3/x^3-2/x^2-1 a polynomial

Alexandra [31]

Answer: Yes

Step by step explanation:

5 0

3 years ago