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Genrish500 [490]
3 years ago
10

Which situations described can be modeled by an exponential function?

Mathematics
2 answers:
nasty-shy [4]3 years ago
7 0

Answer:

I did this exact same question on USATestPrep and here's what I answered that I got correct:

B, C and this one isn't an answer choice but the additional answer was: "1,000 grams of radioactive material with a half-life of 6 hours."

Hope this helps! I'm sorry if it doesn't help future people who sees this :/

seropon [69]3 years ago
7 0

Answer:

B, C, or the additional answer that was said above. if i got this wrong would someone let me know in the comments. thank you!

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how do you solve 2x-10=44+8× and -7x-2=24-9x and 27-11x=x-33 and 21x+6=17x-26 and 11x=8x-6 and -x-29=13+2x
balu736 [363]
2x-10=44+8x
subtract 2x from each side
8x-2x=6x
now we have -10=44+6x
subtract 44 from both sides
-10-44=-54
now we have -54=6x
divide both sides by 6
-54/6=-9
so x=-9
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3 years ago
Please help me I really need help
Anton [14]
The new perimeter will be 3 times the old perimeter.

Original perimeter:
2(8+7) = 2(15) = 30 yds

New perimeter once they are tripled:
3 x 8 = 24
3 x 7 = 21
2(24+21) = 2(45) = 90 yds

30 x 3 = 90
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2 years ago
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Can someone help me with these two questions step by step? It’s pre-algebra so it’s probably not that hard.
tino4ka555 [31]
The answer to x is 11
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3 years ago
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Norma-Jean [14]
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8 0
3 years ago
Select the correct answer from the drop-down menu. Simplify the expression. 3y3 – 2y[4y – y(y – 3)] – [2y(y + 1) – 3y(y2 –1)] =
Cloud [144]

Answer:

Given the expression: 3y^3-2y[4y-y(y-3)]-[2y(y+1)-3y(y^2-1)]

The distributive property says that:

a\cdot (b+c) = a\cdot b+ a\cdot c

Applying distributive property on the given expression, we have;

3y^3-2y[4y-y^2+3y]-[2y^2+2y-3y^3+3y]

again apply the same property we have

3y^3-8y^2+2y^3-6y^2-[2y^2+2y-3y^3+3y]

or

3y^3-8y^2+2y^3-6y^2-2y^2-2y+3y^3-3y

Like terms are those terms which have same variables to the same power.

Combine like terms;

8y^3-16y^2-5y

Therefore, the simplified form of the given expression is,  8y^3-16y^2-5y

5 0
3 years ago
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