3 years ago

Which number line shows the correct placement of 20%, 1/3 and 2/3?

Mathematics

1 answer:

Umnica [9.8K]3 years ago

4 0

Answer:

the answer is option A why because its basiclly telling us that 1/3 and 2/3 are close to each other and they need to find the percent on how to get to the whole number in this case is 1

Step-by-step explanation:

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The height of one right cylinder is 5 centimeters and its radius is 2 centimeters. The height of the second right cylinder is 20

Pavel [41]

Answer:

the answer is 4:1

Step-by-step explanation:

as 5x2=10

20x2=40

40:10 or

$\binom{40}{10}$

if you cancel them it is 4:1

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3 years ago

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A rectangle with dimensions of 3 units by 7 units is enlarged by a scale factor of 1.1. By what percent does it’s area increase?

Ratling [72]

Answer:

$21\%$

Step-by-step explanation:

Original dimensions of the rectangle

$l=7\ \text{units}$

$w=3\ \text{units}$

Area of the rectangle

$A=7\times 3=21\ \text{units}^2$

Scale factor = 1.1

New dimensions

$l'=7\times 1.1=7.7\ \text{units}$

$w'=3\times 1.1=3.3\ \text{units}$

The new area of the rectangle

$A'=7.7\times 3.3=25.41\ \text{units}^2$

Percentage change is given by

$\dfrac{A'-A}{A}\times 100\\ =\dfrac{25.41-21}{21}\times 100=21\%$

The percentage by which the area of the rectangle increases is $21\%$ .

8 0

3 years ago

Using the number 0,4,9 what is the smallest number you can create

ryzh [129]

9-4=-5 would be the smallest answer

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3 years ago

6 times a number less 2

Daniel [21]

Answer:

6n-2

is this what you needed??,

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What is the equivalent fraction for 4/8

solmaris [256]

You are able to divide or mutiply both so let's divide. Divide each by four to get1/2. hope this helped.

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3 years ago

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