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iris [78.8K]
3 years ago
8

What is 6x and 15y and how to slove it

Mathematics
1 answer:
OLEGan [10]3 years ago
6 0
The answer is 18xy. hope this really helps!
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In the diagram, AB = 10 and AC = 2√10. What is the perimeter of △ABC?
Zigmanuir [339]
<span>D. 20 + 2âš10 units To solve this, you simply need to calculate the length of each side of the triangle with the vertexes of A(3,4), B(-5,-2), and C(5,-2). The length of each side is simply calculated using the pythagoras theorem. Note that it doesn't matter what order you do the subtraction. The absolute value will be the same and if it happens to be negative, not a problem since it will become positive once you square the values. So the length of side AB is sqrt((3-(-5))^2 + (4-(-2))^2) = sqrt(8^2 + 6^2) = sqrt(64 + 36) = sqrt(100) = 10. The length of side BC is sqrt((-5 - 5)^2 + (-2 - (-2))^2) = sqrt(-10^2 + 0^2) = sqrt(100+0) = sqrt(100) = 10. And finally, the length of side AC is sqrt((3-5)^2 + (4-(-2))^2) = sqrt(-2^2 + 6^2) = sqrt(4+36) = sqrt(40) = 2 * sqrt(10) Finally, add all the lengths together. 10 + 10 + 2âš10 = 20 + 2âš10</span>
4 0
3 years ago
What is (f - 5)(-2) + 11f
n200080 [17]

Answer:

-2f+10+11f

= 9f+10

Step-by-step explanation:

just expand it

7 0
2 years ago
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3 years ago
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A Number m plus 4 is greater than or equal to seven
SpyIntel [72]

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m ≥ 3

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Step-by-step explanation:

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Step-by-step explanation:


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