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3 years ago

The perimeter of a playing card is 34 centimeters. It is 10 centimeters tall. How wide is it

Mathematics

2 answers:

mamaluj [8]3 years ago

8 0

Answer:7

Step-by-step explanation: 10 +10 +x+x=34

20+2x= 34

-20 20

2x=14 x=7

CaHeK987 [17]3 years ago

5 0

Answer: its width is 7cm

Step-by-step explanation:

The perimeter of a rectangle is the sum of twice its length plus twice its width.

perimeter = 2·length + 2·width

34centimeters = 2·10cm + 2·width

width = (34cm -20cm)/2 = 14cm/2 = 7cm

Answer: its width is 7cm

<h2>Spymore</h2>

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Alchen [17]

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Step-by-step explanation:

Subtract 6 from both sides

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3 years ago

2.8-5.3n - 4n + 5 = plss help again Thank you!

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2 years ago

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3 years ago

Jackets price is reduced from $25 to $15. by what percentage was the price of the sweater reduced.

Helga [31]

Answer:

40 percent

Step-by-step explanation:

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2 years ago

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The right rectangular prism is made up of 48 cubes. Each cube has an edge length of inch. What is the volume of this prism?

Gnesinka [82]

Given:

The right rectangular prism is made up of 48 cubes.
Each cube has an edge length of 1/4 inch.

$~$

To Find:

What is the volume of this prism?

$~$

Solution:

$~$

Using formula: 

$~$

$\sf \pmb {Volume \: of \: cube = {(side)}^{3} }$

$~$

Substituting values in the formula:

$~$

$\sf \longrightarrow \dfrac{1}{4} \times \dfrac{1}{4} \times \dfrac{1}{4}$

$\sf \longrightarrow \dfrac{1}{64} \: {inch}^{3}$

$~$

Now,

Volume of 48 such cubes = Volume of 1 cube × 48 cubes

$~$

$\sf \longrightarrow \dfrac{1}{64} \times 48$

$\sf \longrightarrow \dfrac{48}{64}$

$\sf \longrightarrow \dfrac{3}{4} \: {inch}^{3}$

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Hence,

Volume of prism is 3/4 inch^3

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3 years ago