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Andreyy89
3 years ago
8

I know I just fill in -1 with x but I’m stuck with 2 different answers and this is an exam sooooo I don’t wanna risk it. Can som

eone please tell me the answer?

Mathematics
1 answer:
son4ous [18]3 years ago
7 0

Answer:

g(-1) = 4

Step-by-step explanation:

Given:

g(x) = \frac{3x^2 - 2x + 7}{2x + 5}

To find g(-1), substitute x = -1

Thus:

g(-1) = \frac{3(-1)^2 - 2(-1) + 7}{2(-1) + 5}

g(-1) = \frac{3 + 2 + 7}{-2 + 5}

= \frac{3 + 2 + 7}{-2 + 5}

= \frac{12}{3}

g(-1) = 4

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irakobra [83]

Answer:

C). 0.39 grams

Step-by-step explanation:

First find how many half-lifes are in 3 hours:

3 hours ÷ 20 minutes = 9 half-lifes

Find the total left:

0.5^9*200 ≈ 0.39

3 0
3 years ago
3. What is the value of the expression 5x -2 when = 3/4
yaroslaw [1]

Answer:

Step-by-step explanation:

Pay attention to the procedure:

(5(10)^2)^3/(10(5))^4. What we need is plug in the corresponding x and y values Then you have to do x squared before you multiply it by 5 like this: (5(100))^3/(10(5))^4 Now solve for what is in the top parenthesis. (500)^3/(10(5))^4 500^3=125000000 Now work on the denominator. Do what is inside the parenthesis first 10*5=50 Now (50)^4=6250000 Now divide the numerator and the denominator. 125000000/6250000 Which equals 20, Please check if I'm wrong but I think this is what you need

4 0
3 years ago
What is the slope of the table x= 2, 0, -2, -4 y= 6, 1, -4, -9
Murrr4er [49]

Answer:

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Step-by-step explanation:

we know that

The formula to calculate the slope between two points is equal to

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we have the following ordered pairs

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take two points

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substitute in the formula

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6 0
3 years ago
I need help with this​
11111nata11111 [884]

Answer:

151

Step-by-step explanation:

7 0
3 years ago
Read 2 more answers
Please help this seems impossible.
MatroZZZ [7]

Answer:

hlo XD

no its not looking difficult

it is difficult

6 0
3 years ago
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