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astraxan [27]
3 years ago
15

The sum of four times a number and 7 is -2.

Mathematics
1 answer:
Novay_Z [31]3 years ago
8 0

Answer:

x=-9/4

Step-by-step explanation:

4x+7=-2

1) Subtract 7 from both sides:

4x=-9

2) Divide both sides by 4:

x=-9/4

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To determine the answer it would be helpful if we write this equation into the slope intercept form which is expressed as:

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3 years ago
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Two poles 8m and 13m high
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Answer:

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6 0
3 years ago
The area of a rectangular window is 6525cm2. If the length of the window is 87cm, what is its width?
nataly862011 [7]

Answer:

width= 75 cm

Step-by-step explanation:

We need to recall the formula to calculate the area of a rectangle, since we are dealing with a rectangular window:

Area of rectangle = width * length

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3 years ago
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