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Elden [556K]
3 years ago
15

Subtract -5x^2+7x+1 from 8x^2+x-10I will give brainleist

Mathematics
1 answer:
marta [7]3 years ago
8 0

Answer:

3x² + 8x - 9

Step-by-step explanation:

8x² - 5x² +x+7x-10+1

=3x² + 8x - 9

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8/x=14/7 what does x equal
Veronika [31]

Answer:

when you have two fractions that equal each other you want to solve by using cross multiply

What cross multiply is, is when you multiply diagonally so:

8/x=14/7

you would take 14*x and 8*7

14x=56 (you would then divide each side by 14)

x=4 (14/14=1, 56/14=4)

8/4=14/7

To check your work you could simplify

8/4=2

14/7=2

2=2, which is true

x=4

Hope this helps ;)

6 0
3 years ago
Bob is buying the soccer team snacks after their game today. 8 players want cookies and 5 players want ice cream cones. If ice c
kotykmax [81]

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$20.25

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2 years ago
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Andrew [12]

Answer:

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Step-by-step explanation:

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A = 14.85

4 0
3 years ago
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The volume of a drop of a liquid is .000047 liter. Write the liquid in scientific notation
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the answer would be4.7^-10^4
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Someone help me . what’s the infinite solution or just what it says help please make sure right .
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yes it is right

Step-by-step explanation:

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