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Ivan
3 years ago
12

Help can someone please help im grateful on what ever u can do

Mathematics
1 answer:
solong [7]3 years ago
6 0

1. 16+16+6+6= Perimeter


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The dimensions of a 4in square are multiplied by 3. How is the area affected?
AlladinOne [14]
Your original area would be multiplied by 9 (9 times larger)
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3 years ago
A right triangle is shown below.
Norma-Jean [14]
<h2>Answer: <em>x = 7.5</em></h2>

<em />

Step-by-step explanation:

Use the Pythagorean Theorem ( a^{2}+b^{2} =c^{2} )

The longest side is <em>c = the hypotenuse</em>, and <em>a and b = the other sides</em> of the triangle.

a = 4                              First: 4^{2}+x^{2}=8.5^{2}

b = x                         Second: 16+x^{2}=72.25  

c = 8.5                          Third: x^{2}=56.25

                                  Fourth: x=\sqrt{56.25}

                                      Fifth: x = 7.5

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3 years ago
An airplane flies 2700 miles in 3 hours and 45 minutes. What is its average speed in miles per hour?
fenix001 [56]

Answer:

720 MPH

Step-by-step explanation:

2700 miles / 3.75 hours = 720 MPH

6 0
3 years ago
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What is greater? 0.4 or 4/10
zhenek [66]

Answer:

they are the same

Step-by-step explanation:

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A pool can be filled with water by a large pipe within six hours .A smaller pipe will take 9 hours to fill the pool.How long wil
NikAS [45]

Answer:

3.6 hours

Step-by-step explanation:

The formula is

1/a+1/b = 1/c  where a and b are the times working along and c is the time working together

1/6 + 1/9 = 1/c

Multiply by 36c to clear the fractions

36c (1/6 + 1/9 = 1/c)

6c +4c = 36

10c = 36

Divide by 10

10c/10 = 36/10

c = 3.6 hours working together

5 0
3 years ago
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