3 years ago

Find the sum of (c-4)+(3c+9)

1 answer:

Ann [662]3 years ago

3 0

(c-4)+(3c+9) =
 c-4+3c+9 =
4c + 5

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bagirrra123 [75]

C is the answer hope that helps have a good day

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Snowcat [4.5K]

Answer:

Step-by-step explanation:

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dalvyx [7]

-46 + (-48) = -94

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Westkost [7]

Answer:

Step-by-step explanation:

4 is of course not equal to 5 so no values of x make the equation true.

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m_a_m_a [10]

Answer:

Option D.

Step-by-step explanation:

The given expression is

$\dfrac{(5ab)^3}{30a^{-6}b^{-7}}$

We need to find the expression, which is equivalent to the given expression.

The given expression can be rewritten as

$\dfrac{5^3a^3b^3}{30a^{-6}b^{-7}}$ $[\because (ab)^m=a^mb^m]$

$\dfrac{125}{30}\times \dfrac{a^3}{a^{-6}}\times \dfrac{b^3}{b^{-7}}$

$\dfrac{25}{6}\times a^{3-(-6)}\times b^{3-(-7)}$ $[\because \dfrac{a^m}{a^n}=a^{m-n}]$

$\dfrac{25}{6}\times a^{3+6}\times b^{3+7}$

$\dfrac{25a^9b^{10}}{6}$

Therefore, the correct option is D.

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3 years ago