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zheka24 [161]
3 years ago
5

A helicopter flies 240 miles in 2 hours 30 minutes.

Mathematics
2 answers:
shepuryov [24]3 years ago
8 0
96 mph


step by step explanation:
240/2.5
mylen [45]3 years ago
4 0

Answer:

96 mph is the answer

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masha68 [24]
221. 119 is 35% of 340. 340-119=221
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Who was found the math​
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<h3>Answer:</h3>

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4 0
3 years ago
Sebastian solved the radical equation y + 1 = but did not check his solution. (y + 1)2 = y2 + 2y + 1 = –2y – 3 y2 + 4y + 4 = 0 (
Softa [21]

Answer:

There are no true solutions to the equation.

Step-by-step explanation:

<u><em>The correct equation is</em></u>

y+1=\sqrt{-2y-3}

Solve for y

squared both sides

(y+1)^2=(-2y-3)

(y^2+2y+1)=(-2y-3)

y^2+2y+1+2y+3=0

y^2+4y+4=0

(y+2)(y+2)=0

y=-2

<em>Verify</em>

substitute the value of y in the original expression

-2+1=\sqrt{-2(-2)-3}

-1=1 ----> is not true

therefore

There are no true solutions to the equation.

4 0
3 years ago
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Yanka [14]
9/11 is equal to 18/22, so then D.
8 0
4 years ago
Write these portions as percents.
Black_prince [1.1K]




A)  36%
B)  8%
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D)  110%




7 0
3 years ago
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