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GrogVix [38]
3 years ago
15

which expression is equivalent to the expression shown? 3 to the power of 7 X 3 to the power os negative 4

Mathematics
1 answer:
grandymaker [24]3 years ago
5 0

Answer:

The answer is 27

Step-by-step explanation:

I worked it out using a calculator

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Kara used the formula P=2(l+w) to find the perimeter of the photograph. She tells Jim that the length is 6 cm, and the perimeter
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CAN SOMEONE PLEASE HELP ME WITH THIS AND MAYBE THE REST?
kolezko [41]

Answer:

72

Step-by-step explanation:

5 0
3 years ago
Simplify the expression. 6(7n – 5m) 8m
Eddi Din [679]

Simplifying
6(7n + -5m) + 8m = 0

Reorder the terms:
6(-5m + 7n) + 8m = 0
(-5m * 6 + 7n * 6) + 8m = 0
(-30m + 42n) + 8m = 0

Reorder the terms:
-30m + 8m + 42n = 0

Combine like terms: -30m + 8m = -22m
-22m + 42n = 0

Solving
-22m + 42n = 0

Solving for variable 'm'.

Move all terms containing m to the left, all other terms to the right.

Add '-42n' to each side of the equation.
-22m + 42n + -42n = 0 + -42n

Combine like terms: 42n + -42n = 0
-22m + 0 = 0 + -42n
-22m = 0 + -42n
Remove the zero:
-22m = -42n

Divide each side by '-22'.
m = 1.909090909n

Simplifying
m = 1.909090909n
4 0
2 years ago
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