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nexus9112 [7]
3 years ago
7

PLEASE HELP WILL GIVE BRAINLIEST

Mathematics
1 answer:
Mars2501 [29]3 years ago
4 0

Answer:

f(-2)=4+6+2

f(-2)=12

Step-by-step explanation:

Add -2 where all the x values are then solve

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if the variance of the data values in a population is 256, what is the standard deviation of the data values?
kumpel [21]
The standard deviation is the square root of the variance

so if the variance is 256, then the standard deviation is : sqrt 256 = 16 <==
5 0
3 years ago
Your hourly salary increased from $15 to $22 what is the precent increase in your salary?
Elanso [62]

The percentage increase is 46%.

Original number/start = $15

End number = $22

Increase = $22 - $15 = $7

% increase = Increase ÷ Original Number × 100

Substitute in known values

% increase = 7 ÷ 15 × 100

Divide

% increase = 0.46 × 100

Multiply

% increase = 46%

The percentage increase is 46%.

Find out more information about percentage increase here

brainly.com/question/17447703

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8 0
1 year ago
Write an expression equivalent to e+e+e+e+e that is a sum of two terms.
slamgirl [31]

Answer:

5e

5(e)

Step-by-step explanation:

please mark this answer as brainliest

5 0
3 years ago
Please help me on math
Eduardwww [97]

Answer:

45 inches

Step-by-step explanation:

85-40=45

b=45

how I know?

use the formula c^2-a^2=b^2

85 being c, a being 40 and b being 45

7 0
2 years ago
Read 2 more answers
Tia is 8 years younger than her sister Annette. Annette is y years old. Write an algebraic expression that describes Tia’s age.
-BARSIC- [3]
8-y
Hope this helps and please mark brainliest.
6 0
3 years ago
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