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bogdanovich [222]
3 years ago
13

I neeeeeeeeeeeeed help

Mathematics
1 answer:
abruzzese [7]3 years ago
6 0

Answer:

the correct answer is that it's true :)

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The temperature of a chemical compound, in degrees Celsius, changes when the compound is exposed to UV light. The table below sh
sertanlavr [38]

The temperature of the compound will follow this function: 1/8x^2+15 ( I could be wrong).


But how did I come up with this function ??

The standard of a quadratic equation is given...the x is given...the f(x) is given. Now plug these in correspondence to find the constants. The rest is algebra. If you are not getting this answer, let me see your work



4 0
3 years ago
Solve each system of equations <br> 2x- 5y = 7<br> 3x - y = -9
Darina [25.2K]

Answer:

x = -4; y = -3

Step-by-step explanation:

2x - 5y = 7

3x - y = -9

Rewrite top equation. Multiply both sides of bottom equation by -5. Add equations. This eliminates y, and we solve for x.

         2x - 5y = 7

(+)   -15x + 5y = 45

----------------------------

      -13x         = 52

Divide both sides by -13.

x = -4

Substitute -4 for x in the first original equation and solve for y.

2x - 5y = 7

2(-4) - 5y = 7

-8 - 5y = 7

-5y = 15

y = -3

Answer: x = -4; y = -3

-5 =

8 0
3 years ago
The formula for percentage increase I (given as a decimal) of an investment is I=S−PP, where P is the purchase price and S is th
sattari [20]
18.75/75=(75/75) -
p =(75-18.5)/75
p=56.5/75
p=0.75(3recurring)
5 0
2 years ago
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Needddddd helpppppp asapppp/ Necesitoooo ayudaaaaa rapidooo
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Answer:

42 cm^2

Step-by-step explanation:

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Which expression is equivalent to 9(-4b - 3)?<br> -4b - 27<br> -36b - 27<br> -27b - 36<br> -36b - 3
jenyasd209 [6]
The simple answer to your question is -36b-27
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2 years ago
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