Answer: Diego, 4a + 9b is equivalent
Step-by-step explanation:
7a + 5b - 3a + 4b
= (7a - 3a) + (5b + 4b) We rerange the variables, and put them together with (), which make it more clear to solve.
= 4a + 9b
Answer:
B. logarithms of negative number don't exist
Answer:
1,232,142
Step-by-step explanation:
bro just use a calculator
Answer:
4.5 x 0.72
Step-by-step explanation:
I AM ASSUMING THAT YOU FORGOT TO ADD 2 AFTER 0.7 IN 4.5 x 0.7
Let x be the length and y be the width of a rectangle.
Area = xy
When x and y are doubled
Length = 2x and Width = 2y
Area = 2x x 2y
Area = 4xy
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Answer: When the dimension is doubled, the area is 4 times the original.
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