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Tju [1.3M]
2 years ago
5

Find the percent of change.

Mathematics
1 answer:
Andrej [43]2 years ago
6 0

Answer:

150

Step-by-step explanation:

250 - 100

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3 years ago
An airplane flies into the wind for 5 hours, traveling 900 miles. The airplane then
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Answer:

22.5 miles per hour

Step-by-step explanation:

<u>Given system of equations</u>

5(s-w)=900

4(s+w)=900

<u />

<u>Set equations equal to each other</u>

5(s-w)=4(s+w)

5s-5w=4s+4w

s-5w=4w

s=9w

<u>Solve for w using the substitution s=9w</u>

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7 0
2 years ago
I need help with this question
a_sh-v [17]
Okey go heard I'm help you
7 0
3 years ago
Someone please help me
Mars2501 [29]

Answer:

x=-1,-2

Step-by-step explanation:

Multiply the given equation with (x+1) on both sides. We'll get,

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or,x^2+3x+2=0

or,x^2+2x+x+2=0

or,x(x+2)+1(x+2)=0

or,(x+2)(x+1)=0

or,x=-2,-1

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3 years ago
An item is regularly at $85. It is on sale for 20% off the regular price. How much (in dollars) is discounted from the regular p
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