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Wittaler [7]
3 years ago
10

Simplify the following expression. 2x^5+ 3x^3 - 5x^2 + x^2 +7x+1+7x^5 - 3x^3 - 4

Mathematics
1 answer:
Juli2301 [7.4K]3 years ago
8 0
9x^5-4x^2+7x-3 is the simplified version of your answer.
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Brrunno [24]
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b. 60.25=5x+3x-15.75                    60.25+15.75=8x-15.75+15.75

 76=8x                  76/8=8x/8              9.50=x

A lunch is $9.50. If you are not sure, check my answers. Hope this helped.
8 0
3 years ago
The girl to boy ratio is 3 to 7 if there are 50 students total how many boys
Naddik [55]

Answer:

15 girls, 35 boys

Step-by-step explanation:

Step 1:

3 : 7       Ratio

Step 2:

3x + 7x = 50        Substitute

Step 3:

10x = 50     Add

Step 4:

50 ÷ 10     Divide

Step 5:

x = 5

Answer:

15 girls, and 35 boys     Multiply

Hope This Helps :)

5 0
3 years ago
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aivan3 [116]

Answer:

60

Step-by-step explanation:

Just use similar triangles.

12/10 = 72/x

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x = 72 * 10 / 12 = 60

4 0
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If an oak tree is 5 feet and grows 6 every year write the equation
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3 years ago
Blank inches equals 20 feet
Aneli [31]
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