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prisoha [69]
3 years ago
9

Does anyone know this?

Mathematics
1 answer:
rosijanka [135]3 years ago
7 0

Answer:

-6

Step-by-step explanation:

Hello!

Since we are finding f(-1) we put -1 in for x

2(-1)^2 + 8(-1)

Follow PEMDAS

2 * 1 + 8(-1)

2 * 1 + -8

2 + -8 = -6

The answer is -6

Hope this helps!

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Results of a poll stated that 40% of U.S. adults identify as Republican, and you want to test the claim at alpha = 0.05. What le
Nookie1986 [14]

Answer:

The confidence level is 95% or 0.95.

Step-by-step explanation:

Consider the provided information.

Results of a poll stated that 40% of U.S.

If you want to test the claim at alpha = 0.05.

As we know:

Confidence level = 1 - significance level (\alpha)

Confidence level = 1 - 0.05

Confidence level  = 0.95

Therefore, the confidence level is 95% or 0.95.

4 0
3 years ago
The greatest common factor of two numbers is __________. A. the smallest number that is a divisor of both numbers B. the largest
Ghella [55]
B is the correct answer since the greatest common factor is the greatest common divisor
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Read 2 more answers
HELP PLSSS WILL GIVE BRAINLIEST PLSSSS
Reil [10]

One of the two equations required in the system of equations needed to determine the dollar amount of phone and computer sales Houa made is y = x + 600.

<h3>How do we write the system of equations?</h3>

Let x represents the dollar amount of phone sales Houa made, and y represents the dollar amount of computer sales she made.

Therefore, a system of equations that could be used to determine x and y can be written as follows:

y = x + 600 ........................................................... (1)

0.04x + 0.05y = 129 ......................................... (2)

Learn more about the system of equations here: brainly.com/question/21620502.

#SPJ1

7 0
2 years ago
What is 3(x-3)+5=3x+1+4
sergeinik [125]

Answer:

No solution

Step-by-step explanation:

3(x-3)+5=3x+1+4

3(x-3)+5=3x+5

3x-9+5=3x+5

3x-4=3x+5

   +4      +4

3x=3x+9

-3x   -3x

0≠9

Hope this helps!

4 0
3 years ago
Question Progress
Bess [88]
(x+2)(x+1) = x^2 + x + 2x + 2

simplify it
x^2 + 3x + 2
5 0
2 years ago
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