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storchak [24]
3 years ago
12

(2x^4+3x^2+7)-(3x^3+9x+4)

Mathematics
2 answers:
julsineya [31]3 years ago
6 0
<span>(2x^4+3x^2+7)-(3x^3+9x+4)

you have to take away the </span>parentheses first

2x^4 + 3x^2 + 7 - 3x^3 - 9x - 4

combine like terms

2x^4 - 3x^3 + 3x^2 - 9x + 3
posledela3 years ago
3 0
The answers is 25/8 is the answer to the problem
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A forest covers 41,000 acres. A survey finds that 0.4?% of the forest is? old-growth trees. How many acres of? old-growth trees
8_murik_8 [283]

Answer: A forest covers 41,000 acres. A survey finds that 0.4?% of the forest is? old-growth trees. How many acres of? old-growth trees are? there?

Alrighty, let me help you out, make things easier! The ANSWER is going to be 24,600, by this process, just take 41,000 and multiply that by 0.4. that gives you 16400, and since you are trying to find a portion of the forest, you subtract 16400 from 41,000 total acres. Hope that helps!


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X/2 +8=23<br><br> does anyone understand this x
worty [1.4K]

Answer:

x = 30

Step-by-step explanation:

Given

\frac{x}{2} + 8 = 23 ( subtract 8 from both sides )

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8 0
3 years ago
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Which equation correctly represents the distance between −15.1 and −3.9 on a number line?
Korvikt [17]

Here what we observe

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\\ \tt\longmapsto -3.9-(-15.1)=|-11.2|=11.2

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5 0
3 years ago
emma,clare ,and mark sent a total of 63 text messages during the weekend. clare sent 5 fewer messages than emma. mark sent 2 tim
11Alexandr11 [23.1K]

Answer:

Emma = 17

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Step-by-step explanation:

Emma = x

Clare = x-5

Mark = 2x

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4x=63+5

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4 0
3 years ago
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