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zavuch27 [327]
3 years ago
13

Need help ASAP please

Mathematics
1 answer:
FromTheMoon [43]3 years ago
6 0

Subtract t the first 2 choices from the total time:

10 - 3.2 - 3.5 = 3.3

The 3rd selection needs to be 3.3 minutes long

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Solve the equation.
DENIUS [597]
Hello :)

11,3x+7,2=86,3
⇔11,3x=86,3-7,2=79,1
⇔x=79,1/11,3= 7

The answers is c) 7 :). 

6 0
3 years ago
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The length of a rectangle is four times the width. The perimeter of the rectangle is 45 inches. Write a system of equations that
wolverine [178]

Answer:

Let l be the length and w the width of the rectangle.

P as the perimeter and A as the area.

length of a rectangle is four times the width:

w = w

l = 4w

System of equation : 2l + 2w = P

Substitute:

2(4w) + 2w = 45

8w + 2w

10w = 45

w = 45 / 10

w = 4.5

Solve for l:

l = 4w

l = 4(4.5)

l = 18

Area:

A = lw

A = 18(4.5)

A = 81 in²

8 0
3 years ago
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Whats the cube root of 216. Please Explain why also.​
aniked [119]
Answer:6
If you were to multiply 6*6*6 you would get 216
6 0
3 years ago
I NEED ANSWER ASAP/ WILL GET 20 PTS
ki77a [65]

Answer: A. (-8,-3)

Step-by-step explanation:

Original formula is f(x)=|x-h|+k, the vertex is (h,k), so a positive h in the formula would turn out negative in the vertex.

4 0
3 years ago
Ann is participating in a 4-day cross country biking challenge. She biked for 65, 69, and 45 miles on the first three days. How
GenaCL600 [577]

Answer:

the answer is 69

hope i helped <3

Step-by-step explanation:

6 0
2 years ago
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