Answer:
$3.50 + 3·$4.50
Step-by-step explanation:
The total amount of any purchase is computed as the sum of products of quantity and price.
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In some instances is is helpful to keep the units (dollars) with the numbers they apply to. Most times, the units will be left off, and you're expected to make sure they work out properly some other way.
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Answer:</u></h2><h2><u>
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Solution Steps:</u></h2>
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<h3>1.) Combine x and 3x:</h3>
<em> - We combine the </em>
<em> variables because to get to the end sum of the equation, there can only be 1 variable. So to get the 1, you combine like terms. </em>
<em />
<h3>2.) Add 19 to both sides:</h3>
Cancels Out
- <em></em>
<em></em>
<em> - We do this to get 1 number left over. To do this you do the opposite of what you see. In this case we have a negative 19, so you add 19 on each side of the equals. </em>
<em />
<h3>3.) Divide both sides by 4:</h3>
÷ 
÷ 
<em> - We do this to get x alone. To do this you do the opposite of what you see. In this case we have </em>
<em> which is multiplying, so you divide by 4 on each side. </em>
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So your answer is 
.
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Answer:
I think its B and E
Step-by-step explanation:
Hope it helps
Answer: 16m^4−25
Step-by-step explanation:
(4m^2−5)(4m^2+5)
=(4m^2+−5)(4m^2+5)
=(4m^2)(4m^2)+(4m^2)(5)+(−5)(4m^2)+(−5)(5)
=16m^4+20m^2−20m^2−25
=16m^4−25
Answer:
224
Step-by-step explanation:
