Please help i will mark brainliest! for correct answers!

Mathematics

1 answer:

Ymorist [56]3 years ago

7 0

I believe the answer is A

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5(x+3)-7x I need help

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Two times the square of five more than a number is seventy-two. Write an equation that models this situation. Solve the equation

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A kite flying in the air has an 7-ft line attached to it. Its line is pulled taut and casts a 5-ft shadow find the heights of th

Stels [109]

The height of the kite is 4.89 feet

Explanation

The length of the line attached to the kite=7 feet

The length of the shadow that is cast on the ground=5 feet

the system forms a right angled triangle where the taught string of the kite is the hypotenuse, the shadow is the base and the height of the kite above the ground is the height.

H=7 feet

b=5 feet

using pythagoras theorem

$h^2+b^2=H^2\\h^2=H^2-b^2\\h^2=7^2-5^2\\=49-25\\=24\\h=\sqrt{24\\} =2\sqrt{6} \\=4.89 feet$

The kite is 4.89 feet above the ground

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3 years ago

Graph the function.<br> y = -2x + 5

algol13

It’s shown in the picture !!!!!!

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3 years ago

Please help i will mark brainliest! for correct answers!​

Please help i will mark brainliest! for correct answers!