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Elenna [48]
3 years ago
10

What is -6x-4+(2x+-8

Mathematics
1 answer:
mel-nik [20]3 years ago
4 0

Answer:

-4x+4

Step-by-step explanation:

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For what value of M is the equation an identity 4x^2-x+M=3x^2+x+2
Alisiya [41]

Answer:

m=3x^{3} +2

Step-by-step explanation:

4x^{2} -x+m=3x^{2} +x+2

4x^{2} +m=3x^{2} +2x+2

x^{2} +m=2x+2

m=3x^{3} +2

8 0
3 years ago
What are the dimensions of a rectangular tract of land when its perimeter is 66 kilometers and its area is 260 square kilometers
Nikitich [7]
The longer sides are 20 kilometers, and the shorter sides are 13 kilometers. 
(Length times width equals 260, and 20 times 2 plus 13 times 2 is 66.)
7 0
4 years ago
Please help ill mark brainliest​
lisabon 2012 [21]

Answer:

x=28

Step-by-step explanation:

3 0
3 years ago
How many centigrams are in 1 gram? Use the metric table to help answer the question.
Airida [17]

Answer:

100 cg

Step-by-step explanation:

6 0
3 years ago
The diagram is a hat box that is designed with the shape of a regular octagon inside and a rectangle outside. Find the value of
nekit [7.7K]
In a regular octagon all the interior angles are of the same value. 
sum of the interior angles in octagon = (n-2) *180°
n - number of sides, in this case, n = 8
interior angles sum = (8-2)*180° = 6*180° = 1080°
since there are 8 equal angles = 1080/8 = 135°
Angle x + one interior angle of the octagon = 180 ° (as its a straight line)
x + 135 = 180
x = 45°
5 0
3 years ago
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