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2 years ago

11

Which expression is equivalent to 10a + 6?

2 answers:

Ad libitum [116K]2 years ago

4 0

Answer:

B. 2(5a + 3)

Step-by-step explanation:

Using the distributive property, we know that we can distribute to polynomial within parenthesis. So, following this, we can multiple 2*5a and 2*3. This gives us the expression, 10a+6. Showing that these two expressions are equivalent.

Additionally, the expression 2(5a+3) is an example of factoring. The GCF, 2, was factored out of the original expression 10a+6. Since 2(5a+3) is a factored form of 10a+6, they must be equivalent.

Gnoma [55]2 years ago

3 0

The answer is: 2(5a + 3)

hope this helps :)

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gavmur [86]

Answer:

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Step-by-step explanation:

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Distribute/multiply the -3 to everything in the parentheses

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2 years ago

Given α and β are Supplementary. Show the necessary steps.

user100 [1]

Answer:

$\alpha = 108\degree, \: \beta = 72\degree$

Step-by-step explanation:

α and β are Supplementary (given)

$\therefore \alpha + \beta = 180\degree.... (1)$

It is given that:

$\alpha= \frac{3}{2} \beta$

Plugging the value of α in equation (1), we find:

$\frac{3}{2} \beta + \beta = 180\degree$

$\therefore \frac{3+2}{2} \beta = 180\degree$

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$\therefore \beta = 180\degree\times \frac{2}{5}$

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So,

$\alpha = 108\degree, \: \beta = 72\degree$

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