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777dan777 [17]
3 years ago
10

Which graph represents the function f(x) = |x|?

Mathematics
2 answers:
AleksAgata [21]3 years ago
6 0

Answer:

D

Step-by-step explanation:

Brut [27]3 years ago
3 0

Answer:

Step-by-step explanation:

the first one

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HELP
Dimas [21]

Answer:

$17.14

Step-by-step explanation:

Given : y = - 0.34x^2 + 4.43x + 3.46

To Find : Using the quadratic regression equation, what was the predicted profit in year 8

Solution :

y = - 0.34x^2 + 4.43x + 3.46

Where y is profit and x is year

Substitute x = 8

y = -0.34(8)^2 + 4.43(8) + 3.46

y =17.14

So, Option D is true

Hence the predicted profit in year 8 is $17.14

5 0
4 years ago
Read 2 more answers
A number increased by 4 is the same as 19 minus 2 times the number
ElenaW [278]

Hello from MrBillDoesMath!

Answer:

n = 5


Discussion:

Let the original number be "n"  Translating the problem  statement to mathematical symbolism:

n + 4 = 19 - 2n                   =>  add 2n to both sides

n + 2n + 4 = 19 - 2n + 2n  =>  combine like terms

3n + 4 = 19                        => subtract 4 from both sides

3n = 19 -4  = 15                 => divide both sides by 3

n = 15/3 =5


Check: Does 5 +4 = 19 - 2(5)? Does 9 = 9? Yes. so the value for n is confirmed correct.


Thank you,

MrB

6 0
3 years ago
Approximately what percentage of iq scores falls between 70 and 130?
ohaa [14]
About 95% of scores fall in this range
5 0
3 years ago
PLEASE HELP <br><br> WILL GIVE BRAINLIEST<br> AND 5.0 RATING
Vlad [161]

Answer: The coordinates are (2.5, -1.5).

Explanation: The explanation is in the image.

7 0
3 years ago
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How many sides does a circle have
Irina-Kira [14]
A circle doesnt have a sides so 0
4 0
3 years ago
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