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1 year ago

Find an expression which represents the sum of (-4x - 4) and (-4x - 10) in simplest terms.

Mathematics

1 answer:

alekssr [168]1 year ago

6 0

The value of the expression (-4x - 4) + (-4x - 10) is -8x - 14

<h3>What are expressions?</h3>

Expressions are mathematical statements that are represented by variables, coefficients and operators

<h3>How to determine the value of the expression?</h3>

The expression is given as

The sum of (-4x - 4) and (-4x - 10)

This can be represented as

(-4x - 4) + (-4x - 10)

Remove the bracket

So, we have

(-4x - 4) + (-4x - 10) = -4x - 4 - 4x - 10

Collect the like terms

So, we have

(-4x - 4) + (-4x - 10) = -4x - 4x - 4 - 10

Evaluate the like terms

So, we have

(-4x - 4) + (-4x - 10) = -8x - 14

Hence, the value of the expression (-4x - 4) + (-4x - 10) is -8x - 14

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Step-by-step explanation:

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Read 2 more answers

Let g(x)=2x and h(x)=x^2+4 find the value. (hog)(a)

lisov135 [29]

In short, (h o g)(a) is just h( g(a) ).

so what we can do is simply get g(a) first and then plug that in h(x).

$\bf \begin{cases}
g(x)&=2x\\
h(x)&=x^2+4\\
(h\circ g)(a)&=h(~~g(a)~~)
\end{cases}
\\\\\\
g(a)=2(a)\implies g(a)=2a
\\\\\\
h(~~g(a)~~)\implies h(~~2a~~)=(2a)^2+4
\\\\\\
h(~~2a~~)=(2^2a^2)+4\implies h(~~2a~~)=4a^2+4$

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Two pairs of jeans cost $75 before tax. If the total tax paid for the two pairs of jeans was $6, what is the percentage of tax?

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Take the tax (6$) and divide it by the pretax(75$) and take that number and multiply it by 100 and you get your percentage (8%)

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