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DanielleElmas [232]

3 years ago

10

Little Jacob was given a scale, and he began to weigh toys. The car was balanced by a ball and 2 dice, and the car with a dice w

as balanced by 2 balls. How many dice will balance a car?

1 answer:

lesya [120]3 years ago

5 0

Answer:

this is kinda mind boggling but i think it MIGHT be 2? im not entirely sure tho

Step-by-step explanation:

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gladu [14]

Option C:

$\frac{3 a^{2} b^{11}}{2 }$ is equivalent to the given expression.

Solution:

Given expression:

$$\frac{-18 a^{-2} b^{5}}{-12 a^{-4} b^{-6}}$

To find which expression is equivalent to the given expression.

$$\frac{-18 a^{-2} b^{5}}{-12 a^{-4} b^{-6}}$

Using exponent rule: $\frac{1}{a^m}=a^{-m}, \ \ \frac{1}{a^{-m}}=a^{m}$

$$=\frac{-18 a^{-2} b^{5}a^{4} b^{6}}{-12 }$

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Using exponent rule: ${a^m}\cdot{a^n}=a^{m+n}$

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Divide both numerator and denominator by the common factor –6.

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6+9=15

(1+5)+9=15

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Hope it helped

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