What is the value of ( 7 plus 2 cubed) x 9

Mathematics

2 answers:

butalik [34]3 years ago

4 0

Answer:

135

Step-by-step explanation:

$(7 + 2 {}^{3} ) \times 9 \\ = (7 + 8) \times 9 \\ = 15 \times 9 \\ = 135$

gizmo_the_mogwai [7]3 years ago

3 0

Answer:

135

Step-by-step explanation:

2 cubed=8

8+7=15

15x9=135

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The rule of three or is a way of solving problems of proportionality between three known values and an unknown value, establishing a relationship of proportionality between all of them. If the relationship between the magnitudes is direct, like in this case, the direct rule of three can be applied as follow:

a ⇒ b

c ⇒ x

Then $x=\frac{c*b}{a}$