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Julli [10]
3 years ago
6

What is 15 - (-15) need answer asap

Mathematics
1 answer:
Stels [109]3 years ago
4 0

Answer:

30

Step-by-step explanation:

(-) (-) = +

Therefore 15 - (-15) = 15 + 15 = 30

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David and Jillian are playing a board game together. Jillian wants to trade her wool cards for David's ore cards. The double num
Keith_Richards [23]

Answer:

the answer is 62

Step-by-step explanation:

4 0
3 years ago
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Michael is using a number line to evaluate the expression –8 – 3. A number line going from negative 12 to positive 12. A point i
Nata [24]

Answer:

move to the left 3 more spaces

Step-by-step explanation:

you are at -8 already. Therefore, you (-3) more spaces, so you go to the left three more spaces. Use the saying keep change change to help with this.

Keep the first number sign, change the next sign, and the next sign.

6 0
3 years ago
How 2 do?<br><br> (n)(n+7)(n+8)
madreJ [45]

Answer:

n^{3} + 15n^{2} + 56n

Step-by-step explanation:

First FOIL  (n + 7)(n + 8) and then distribute n

(n + 7)(n + 8) = n^{2} +15n + 56

 n (n^{2} +15n + 56)

= n^{3} + 15n^{2} + 56n

6 0
3 years ago
the length and width of a rectangular patio are (x+8) feet and (x+6) feet, respectively. If the area of the patio is 160 square
lorasvet [3.4K]
<span>(x + 8)  (x + 6) = 160
x² +6x +8x +48 = 160
</span>x² +6x +8x +48 - 160 =0
<span>x² +14x -112=0

You have to calculate the discriminant.

(Please mark be brainliest)

</span>
6 0
3 years ago
Simplify this expression: -2(-4x + 2y - 6)
Monica [59]

Answer:

8x - 4y + 12

Step-by-step explanation:

-2(-4x + 2y - 6)

(-2)(-4x) + (-2)(2y) + (-2)(-6)

(2 * 4x) - (2 * 2y) + (2 * 6)

8x - 4y + 12

4 0
2 years ago
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