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sergey [27]
2 years ago
6

Amy and Stephanie were playing a number game. Amy picked a number and told Stephanie that if she added 7 to her number and multi

plied the sum by 2 it would equal 4 which equation could Stephanie use to find the number 4
Mathematics
1 answer:
Nuetrik [128]2 years ago
7 0

Answer:

2(n+7)=4

Step-by-step explanation:

n is the number

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A swimmer can swim at a rate of 8 meters per second. How far can he swim in 1.5 minutes?
Ronch [10]
It has to be 12. I mulitplied 8 x 1.5
3 0
3 years ago
Read 2 more answers
Pls explain your answer
jasenka [17]
Middle square area= 8x8=64
one triangle area = (8x8)/2
multiply the triangel area by four and add the square area-- (4x32)+64=192
7 0
3 years ago
Find the slope of the line through the pair of points: (14, 10) (14, -3)
vivado [14]

Answer:

Slope is zero.

Step-by-step explanation:

Use <u>y2-y1</u>

      x2-x1

to find slope.

8 0
3 years ago
if the kinetic energy of an aeroplane moving at a velocity of 100m/s is 200j ,what is the mass of the aeroplane
Black_prince [1.1K]

Answer:

<u>0.04kg</u>

Step-by-step explanation:

Kinetic energy Formula: eK=0.5×m×v²

to work out mass

we can rearrange the formula and make it:

~m=eK÷(0.5×v²)

now insert the missing digits into the formula:

m=200÷(0.5×100²)

work it out, and you get your answer

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Hopefully this helped-have a good day)

8 0
2 years ago
a rectangular playground is 40 meters by 10 meters. its area will be covered with shredded tires. each bag of shredded tires cov
Lena [83]
First, we need to find the area of the rectangular playground.
To do this, we must multiply 40 by 10.
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Now divide 400 by 200 and you get 2.
That means 2 bags will be needed to cover the entire area of the playground.
To find the price, multiply 30 by 2.
The total cost for this project will be $60.
Hope this helped you out! :)
6 0
3 years ago
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