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kipiarov [429]
3 years ago
8

What is the approximate perimeter of the figure? A. 18.8 cm B. 10.71 cm C. 7.7 cm D. 4.71 cm

Mathematics
2 answers:
larisa [96]3 years ago
5 0
For perimeter you can find it 2 ways:

l=length, w=width
(2)l+(2)w=perimeter

or just:

l+l+w+w= perimeter

Hope this helps!!!
olya-2409 [2.1K]3 years ago
4 0
All you have to do to find it use the formula 

o find the perimeter of a polygon, take the sum of the length of each side. The formula for perimeter of a rectangle is<span> To find the perimeter of a regular polygon, multiply the number of side</span>s by the length of one side.
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Explain why the expression 2y-y can be written as y
harina [27]

Answer:

2y is just 2 times y, so subtracted it would be 1y and 1y is just y.

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2 years ago
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(-y+5•3)+7.2y-9)=6.2y+n
kramer
(-y+5x3)+(7.2y-9)=6.2y+n
(-y+15)+(7.2y-9)=6.2y+n
since you're adding the two parentheses, you don't need to have them there
-y+15+7.2y-9=6.2y+n
7.2y-y +15-9 =6.2y+n
6.2y + 6 =6.2y+n
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3 0
3 years ago
Interpret the 2 expressions below without evaluating them. 19-(6+6) and 19-6+6
dybincka [34]
8, 9 you basically just evaluate the equation in the parentheses 
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3 years ago
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Monica’s school band held a car wash to raise money for a trip to a parade in New York City. After washing 125 cars, they made $
nikklg [1K]

The system of linear equations represents the situation is;

x + y = 125

x + y = 1255x + 8y = 775

<h3>Simultaneous equation</h3>

Simultaneous equation is an equation in two unknown values are being solved for at the same time.

let

  • number of quick washes = x
  • number of premium washes = y

x + y = 125

5x + 8y = 775

From equation (1)

x = 125 - y

5x + 8y = 775

5(125 - y) + 8y = 775

625 - 5y + 8y = 775

- 5y + 8y = 775 - 625

3y = 150

y = 150/3

y = 50

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x + y = 125

x + 50 = 125

x = 125 - 50

x = 75

Therefore, the number of quick washes and premium washes Monica’s school band had is 75 and 50 respectively.

Learn more about simultaneous equation:

brainly.com/question/16863577

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3 0
1 year ago
Change 0.275 to a fraction
goldenfox [79]
<span>Well, the number is decimal form, is in the thousandths place, so the denominator, would be 1000's: 
<em><u>0.275 = 275⁄1000</u></em></span><em><u> </u></em>
<span>Then, you have to Simplify 275⁄1000 In which, you would get: <em><u> 11⁄40</u></em></span><span><em><u> </u></em></span>
8 0
3 years ago
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