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sashaice [31]
3 years ago
15

Plz help 15 + (-8) =

Mathematics
1 answer:
Effectus [21]3 years ago
6 0

Answer:

7

Step-by-step explanation:

15 + (-8)

7

The answer would be 7 because you are only taking 15 plus negative 8 which would technically be the same as taking 15 minus 8, which would be 7.

Hope this helps! Please mark as brainliest! Thanks! Let me know if you need anymore help! :D

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Ninety percent of the seats of a flight are filled. There are 240 seats. How many seats are filled?
antoniya [11.8K]

Answer:

216 seats are filled

Step-by-step explanation:

240-90%=24

24+216=240

thats how you know 216 is correct

3 0
3 years ago
Which of the following numbers would be in the solution set to this inequality? Mark all that apply. -2x + 16 ≤ 10
kenny6666 [7]
-2x + 16 < = 10
-2x < = 10 - 16
-2x < = - 6
x > = -6/-2
x > = 3............so any number that is 3 or above is in the solution set
4 0
3 years ago
solve quadratic by taking square roots. as=a,-a where a and -a the values you found when when solving. Round to nearest tenth. 2
attashe74 [19]

Answer:

8.1

Step-by-step explanation:

2x^2 -9 = 121

        +9    +9

2x^2 = 130

/2         /2

x^2   = 65

x= sqrt (65)

x= 8.06225...

x = 8.1

6 0
3 years ago
Please do this ASAP, it’s due in 30 minutes! <br> Thank you!<br> No links&lt;3
grigory [225]

Answer:

I think it is -24t+20 if you want to simplify

Step-by-step explanation:

6 0
3 years ago
Read 2 more answers
2x
laiz [17]

Answer:

7

Step-by-step explanation:

2x² - 28x + 98 = 0

x² - 14x + 49 = 0

(x - 7)² = 0

x = 7

3 0
3 years ago
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