Which expression is equivalent to -9a-10-6a+7−9a−10−6a+7?
1 answer:
Answer:
B)
Step-by-step explanation:
-9a-10-6a+7-9a-10-6a+7
-9a-6a-9a-6a-10+7-10+7
-15a-15a-3-3
-30a-6
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The empty place equals with 6
Hi!to calculate a square root without a calculator is to see if you can get to that whole number by squaring smaller numbers,or multiplying a smaller number by it self.
A-2 (the top & left side)
Answer:6
Step-by-step explanation: All you have to do is divide 3 by 18
Answer:
2.5
Step-by-step explanation:
Put the values in place of the corresponding variables and do the arithmetic:
ab - 0.5b = (1)(5) -0.5(5) = 5 - 2.5 = 2.5
