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kolbaska11 [484]
2 years ago
9

What is 3 minus (-7) with an explanation? Please do not waste my time answering randomly

Mathematics
1 answer:
podryga [215]2 years ago
7 0

Answer:

10

Step-by-step explanation:

3 - (-7)

two - turn into +

so,

3 + 7 = 10

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Perform the indicated operation to write given polynomial in standard form: (5x^2 − 3x − 7) − (x^2 +2x − 5)
aleksandrvk [35]

Answer:

  4x^2 -5x -2

Step-by-step explanation:

= 5x^2 -3x -7 -x^2 -2x +5

= (5 -1)x^2 +(-3 -2)x +(-7 +5)

= 4x^2 -5x -2

3 0
3 years ago
Find all numbers whose absolute value is 8.
Zepler [3.9K]

Answer:

<h2>8 or -8</h2>

Step-by-step explanation:

The absolute value of number a:

|a| = a for a ≥ 0

|a| = -a for a < 0

|a| = 8 ⇔ a = 8 or a = -8

7 0
2 years ago
What is 38 + 7k = 8(k + 4)
lisov135 [29]

Steps

38 + 7k = 8k + 32

38 + 7k - 38 = 8k + 32 - 38

7k = 8k - 6

7k - 8k = 8k - 6 - 8k

-k = -6

-k/-1 = -6/-1

k = 6

Answer

k = 6

3 0
2 years ago
The equation y-2/3=(x-1/4) is written in point slope form. What is the equation in slope intercept
Wewaii [24]

Answer:

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Step-by-step explanation:

8 0
3 years ago
Which is the distance between points (0,3) to (5,-9) on the coordinate plane?
pogonyaev
This would be:-

square root [ (5-0)^2 + (-9 -3)^2) ]

= square root (  25 + 144)

= sqrt 169

= 13 Answer

4 0
3 years ago
Read 2 more answers
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