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Anna [14]
4 years ago
7

A certain number added to its square is 30. Find the number.

Mathematics
2 answers:
notka56 [123]4 years ago
7 0
I got this:
5²+5=30

For the work, I just took the square I though was closest to 30, and added 5.

Hope this helps!
trapecia [35]4 years ago
7 0
If the number is n, then n²+n=30, so n²+n-30=0=(n+6)(n-5) so there are two answers: 5 and -6.
zb
3 years ago
why there is 6?
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1.
Anit [1.1K]

Answer:

-1/3

Step-by-step explanation:

(-2, 5) and (1, 4)

Slope:

m=(y2-y1)/(x2-x1)

m=(4-5)/(1+2)

m=(-1)/3

m= -1/3

5 0
3 years ago
What is the median ofthe data setgiven below? 42, 20, 12, 15, 18, 15, 29, 33?
Whitepunk [10]
12, 15, 15, 18, 20, 29, 33, 42

18 and 20 are in the middle, add and divide to find the answer.

18 + 20 = 38

38 / 2 = 19

19 is the median.
3 0
3 years ago
First to answer gets brainliest
skad [1K]

Answer:

Step-by-step explanation:

Because you can't do -x+1 so it would be (1,0) and then you have x^2 +3x-4 which is (-5,6)

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3 years ago
If I save 100 dollars every two weeks for a month how much will i have
lyudmila [28]

Answer:

200

Step-by-step explanation:

it also depends on how many weeks there are in the month but yeah 200 is right.

4 0
3 years ago
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vampirchik [111]

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