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Yanka [14]
2 years ago
7

6m+7n+5m−3n simpified

Mathematics
1 answer:
diamong [38]2 years ago
6 0

Answer:

11m + 4n

Step-by-step explanation:

when two numbers with the same variable are added together or subtracted the result is just the numbers added or subtracted. So you can add 6m and 5m to get 11m. and you can subtract 3n from 7n to get 4n

11m + 4n

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Find the area of a parallelogram with base 15 yards and height 21 2/3
icang [17]

Answer:

A = 325 yd^2

Step-by-step explanation:

The area of a parallelogram is found by multiplying the base times the height

A = bh

A = 15* 21 2/3

Changing the mixed number to an improper fraction

21 2/3 = (3*21+2)/3 = 65/3

A = 15 * 65/3 = 15/3 *65 = 5*65 =325

A = 325 yd^2

3 0
3 years ago
I don't know how to do #86-#88. Any help?
SOVA2 [1]
86 and 87 utilize the Pythagorean theorem. Where those tangent lines meet the circle forms a right angle. So you have a side length of 6 and a hypotenuse of 22. So the missing side length is 21.16.  For 87, its the same thing, but you have the 2 legs but are missing the hypotenuse.
3 0
3 years ago
Need help ASP TWT……….
Ksivusya [100]

Answer:

C srry if im wrong

Step-by-step explanation:

6 0
2 years ago
Does anybody have a REAL answer for this?
S_A_V [24]
Area of square = 15 x 15 = 225 cm^2
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1/4 of circle = 706.5 / 4 = 176.6

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answer
48.4 cm^2
6 0
2 years ago
How can you use what you know about square numbers to find the square root of a non-perfect square number
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Finding the square<span> root of a </span>number<span> is the inverse operation of squaring that </span>number<span>. Remember, the </span>square<span> of a </span>number<span> is that </span>number<span> times itself. The perfect squares are the squares of the whole </span>numbers<span>. The </span>square<span> root of a </span>number<span>, n, written below is the </span>number<span> that gives n when multiplied by itself.

</span>
3 0
3 years ago
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