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salantis [7]
3 years ago
5

F(x) = -x² – 9x - 7 Find f(3)​

Mathematics
1 answer:
NeX [460]3 years ago
3 0

Answer:

f(3) = -43

Step-by-step explanation:

alright so all you have to do is substitute x with 3 so it gonna look like

-(3)^2-9(3)-7= f(x)

now you just have to solve

-9-27-7=f(x)

f(x)= -43

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Is the expression x3•x3•x3 equivalent to x3•3•3? Why or why not? Explain your reasoning.
devlian [24]

no they are different

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3 0
3 years ago
Which equation can be used to verify that 534 – 68 = 466?
IgorC [24]

Answer:

466 + 68

Step-by-step explanation:

We can easily check a subtraction problem with an addition problem.

Calculate the sum of the subtracted and the difference. If the sum is equal to the minuend in the original subtraction problem, the answer is correct.

Minuend - Subtrahend = Difference

466 + 68 = 534

The statement '534 – 68 = 466' is correct.

Hope this helps.

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2 years ago
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Answer:

Step-by-step explanation:I think it's the 2nd one

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2 years ago
These data show the number of miles each of the 9 members of a track team ran for the week. 11 11.5 10.5 17 14.5 14.5 18 17 19 W
Vitek1552 [10]
Given:
<span>11 11.5 10.5 17 14.5 14.5 18 17 19

Arrange in chronological order from least to greatest.
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</span><span>I used an online lower and upper fence calculator to get the necessary data.

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Maximum: 19
Q1: 11.25
Q2 or median: 14.5
Q3: 17.5

Interquartile range can be solved by subtracting the value of Q1 from the value of Q3

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IQR = 17.5 - 11.25
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