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IgorC [24]
3 years ago
5

2m² + 4m - 70Factor and please show steps ​

Mathematics
1 answer:
Nikolay [14]3 years ago
6 0

Answer:

5 / -7

Step-by-step explanation:

2m^{2} + 14m - 10m - 70\\2m ( m + 7 ) - 10 ( 2m - 7 ) \\therefore,  ( m + 7 ) ( 2m -  10) \\or M = 5 / -7

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What addition sentence helps you find 5 – 4?
sineoko [7]

Answer:

4 + x =5

Step-by-step explanation:

By adding a variable you can set up an addition sentence

6 0
2 years ago
A construction crew is lengthening a road. The road started with a length of 59 miles, and the crew is adding 2 miles to the roa
Illusion [34]
The answer is L = 59 + 2(d). If we plug in our numbers, we will get L = 59 + 2(32). 2*32 is 64, and if you add 59 you get 123 miles.

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7 0
2 years ago
On a particular map, 1 inch represents an actual distance of 2.5 miles. the actual area of a lake is 12 square miles. find the a
Anton [14]
We have that
scale factor=1 in/2.5 miles
<span>the actual area of a lake is 12 square miles

</span>we know that
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5 0
3 years ago
A standard dartboard has a diameter of 18 in. What is its area to the nearest square inch?
Reptile [31]
The meaning of the area is the measurement of a surface in this case a circle, which can be find by using the formula A= \pi r^{2}, where r is equal to the radius of the circle.

In this exercise is given that the diameter of a standard cardboard is 18 inches or a radius of 9 inches and it is asked to find its area. Therefore, to find the area of the circle you should substitute the value of the radius into the previous mention formula.

A= \pi r^{2}
A= \pi (9 in)^{2}
A= \pi (81 in^{2})
A=254.47 in^{2}

The area of the standard dartboard is 254.47 square inches or 254 square inches.





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