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Ad libitum [116K]
3 years ago
15

Given f(x)=x^+7, find x if f(x) = 23

Mathematics
2 answers:
Zielflug [23.3K]3 years ago
3 0

Answer:

Step-by-step explanation:

23=x^2+7

16=x^2

Take the square root of both to get x alone

x=4

klasskru [66]3 years ago
3 0
Hope that might help you to find the right answer!? Let me know

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Teresa earned scores of 88, 84, 88 points and 91 points on 4 test what is the lowest score she can get on the fifth test and sti
Usimov [2.4K]

Answer:

99 points

Step-by-step explanation:

Average of a data a is the sum of the data divided by the number of data.

Average = sum of data ÷ number of data

A = T/n .....1

For the average of 5 test to be 90.

The total sum of score must be;

Number of tests n = 5

Average A = 90

Substituting into equation 1

90 = T/5

T = 90×5 = 450 points

The total score must be equal to 450 point to have an average of 90 points

The sum of the first four test is;

88+84+88+91 = 351

Let x represent the first score,

351 + x = 450

x = 450 - 351

x = 99 points

The minimum score she can get in the fifth test is 99 points

5 0
3 years ago
(6x+12y)(x+2y+5)−(6y+3x)(2x+4y)−30(x−2y)
Dmitry [639]

Step-by-step explanation:

6x + 120y + 6x2

Final answer

5 0
3 years ago
Please help!!! Please helpppp!!!!?? PLEASEE I DONT WANNA FAIL I WILL MAKE BRAINLIEST <3
FromTheMoon [43]

Answer:

Triangle Sum Theory

Step-by-step explanation:

You add all the angles to get 180

4 0
3 years ago
Read 2 more answers
I GIVEEE BRAINLILSTT
ICE Princess25 [194]

Answer:

(-2,-1)

Step-by-step explanation:

Reflecting a point over the y-axis means to have the point either to the right or left of the originial point.

6 0
3 years ago
What is he interquartile range for 27,4,54,78,27,48,79,64,5,6,41,71
Ugo [173]

Answer:

If it stays in that order its between 48,79 if this helps.

Step-by-step explanation:

7 0
3 years ago
Read 2 more answers
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