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Zolol [24]
3 years ago
12

Answer Please!!!! 20 points<3

Mathematics
2 answers:
vlabodo [156]3 years ago
8 0

Answer:

Hello I Just had this problem. The answer IS A

Step-by-step explanation:

Tpy6a [65]3 years ago
5 0

Answer:

The correct option is C.

Step-by-step explanation:

It is given that the longest wall in Jessica’s actual room is 15 feet long.

From the scale model it is clear that longest wall in Jessica’s actual room is 11 inches.

Let the actual length of door be x ft.

\frac{11}{15}=\frac{1.75}{x}

x=\frac{1.75\times 15}{11}

x\approx 2.386

The length of door is approx 2.386 ft.

The area of the actual space in her room where furniture cannot be placed because of the door is equivalent to the area of semicircle with radius 2.386 ft.

A=\frac{\pi r^2}{2}

A=\frac{\pi 2.386^2}{2}

A=8.942

A\approx 9

The area of the actual space in her room where furniture cannot be placed because of the door is approx 9 ft. Therefore option C is correct.

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How do the expressions 4(3+x) and (3+3+3+3) + (x+x+x+x) compare to one another
Dafna1 [17]

Answer:

Step-by-step explanation:

If we expand 4(3+x), we get (4*3)+(4*x).

Then we do 4*3 to get 12 and 4*x to get 4x

(3+3+3+3) is the same thing as 4*3, because we are adding 3 together 4 times. (3+3+3+3) gives us 12 as well, since they are the same thing.

(x+x+x+x) is the same thing because we are adding x together 4 times, which is the same thing as (4*x). (x+x+x+x) gives us 4x as well.

Hope this helps.

3 0
3 years ago
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50 cents is _____% of the value of a dollar? Idk pls help me
ICE Princess25 [194]

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50

Step-by-step explanation:

7 0
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Help me please if you can
zheka24 [161]

Answer:

perimeter = 1 3/4

Step-by-step explanation:

1. 3/4 x 2 because there are two sides with the fraction 3/4. 3/4 x 2 is 1 1/2

2. 1/8 x 2 because there are two sides with the fraction 1/8. 1/8 x 2 is 1/4

3. 1 1/2 + 1/4 = <u>1 3/4</u>

8 0
2 years ago
A(3-x)=-2x+B if x=2 How do I find A and B what are the answers
irina1246 [14]

Answer:

A=5,B=9\\\\or\ A=-9,B=-5

Step-by-step explanation:

A(3-x)=-2x+B\\\\Given\ x=2\\\\Substitute\ the\ value\ of\ x\\\\A(3-2)=-2\times 2+B\\\\A=-4+B\\\\A=B-4\\\\So\ the\ value\ of\ A\ is\ 4\ less\ than\ the\ value\ of\ B.\\\\When\ B=9\Rightarrow A=9-4=5\\\\When\ B=-5\Rightarrow B=-5-4=-9\\\\Hence\ A=5,B=9\\\\or\ A=-9,B=-5

4 0
3 years ago
Suri's age is 4 less than 3 times her cousin's age. Suri is 17 years old. Which method can be used to find c, her cousin's age?
Mila [183]

Answer:

7 years

Step-by-step explanation:

Suri's age=17 years

Her cousin's age =c

Suri's age is 4 less than 3 times her cousin's age

4 less than 3 times her cousin's age means subtract 4 from 3 times her cousin's age

17=3c - 4

Find c which is her cousin's age

Add 4 to both sides

17+4=3c - 4 + 4

17+4=3c

21=3c

Divide both sides by 3

21/3=3c/3

7=c

Therefore,

C= 7

Her cousin's age = 7 years

4 0
3 years ago
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