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3 years ago

5

Find the x coordinates where the line y=3x-18

2 answers:

vovangra [49]3 years ago

6 0

It would be x equals -6.

jek_recluse [69]3 years ago

5 0

The x is a term. So, you have to leave it and put it as 3x. You can't do nothing with 18 too because it doesn't have a same like term too. So, the answer is 3x-18.

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Vadim26 [7]

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fredd [130]

Answer: D . $N(t) = 3 + (0.25t)^3 - 8(1.06)^t$

Step-by-step explanation:

Given : Jenny studied the characteristics of two species of bacteria. The number of bacteria of species A, A(t), after t hours is represented by the function,

$A(t) = 5 + (0.25t)^3$

The number of bacteria of species B, B(t), after t hours is represented by the function, $B(t) = 2 + 8(1.06)^t$

Then, the difference in the number of bacteria, N(t), of both the species after t hours will be :-

$N(t)=A(t)-B(t)\\\\=5 + (0.25t)^3-(2 + 8(1.06)^t)\\\\=5 + (0.25t)^3-2-8(1.06)^t\\\\=5-2 +(0.25t)^3-8(1.06)^t\\\\=3+(0.25t)^3-8(1.06)^t$

Hence, the correct answer should be : D . $N(t) = 3 + (0.25t)^3 - 8(1.06)^t$

7 0

4 years ago

rewrite f(x)=x^2+8x-20 in the form that would most easily help you identify the zeros of the function

Snowcat [4.5K]

Answer:

f(x) = (x-2) (x+10)

Step-by-step explanation:

f(x)=x^2+8x-20

Factor the right hand side

What 2 numbers multiply to -20 and add to 8

-2 * 10 = -20

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f(x) = (x-2) (x+10)

Then we can use the zero product property to help us to find the zero's

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3 years ago

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Anna [14]

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Step-by-step explanation:

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aksik [14]

Answer:

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