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german
3 years ago
7

Simplify (-2) ^2 + |-15| ÷ 3

Mathematics
2 answers:
Ne4ueva [31]3 years ago
8 0
The answer to your problem Will be 9   
  

-2^2=4<span>

so now the problem look like 4 </span>+ |-15|  ÷ 3

|-15|= 15 because absolute vaule just makes it positive


4+15   ÷  3

15  ÷ 3=5

4 +5 =9

9

mixas84 [53]3 years ago
6 0
4+I-15I÷3
4+15÷3
4+5
9
The answer is 9
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Answer:

Step-by-step explanation:

5)               -7 (-15w + 21) + 3(18 - 27w)

Step 2:        105w - 81w - 147 + 54

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step 3:       24w - 93

7 0
3 years ago
Solve for x when, 8x-12=4x
barxatty [35]

Answer:

x=3

Step-by-step explanation:

8x - 12 = 4x add 12 to both sides you get 8x=4x+12 subtract 4x on both sides then you get 4x=12 divide 4x on both sides and x = 3 Hope helps!!

8x-12=4x

+12    +12

__________

8x=4x+12

-4x   -4x

_______-

4x=12

÷4  ÷4

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Hope helps :3

4 0
2 years ago
Read 2 more answers
Determine, to one decimal place, the length, width &amp; height of the rectangular prism that would have the greatest volume, wi
Leya [2.2K]

Answer:

The length = The width = The height  ≈ 5.8 cm

Step-by-step explanation:

The volume of a rectangular pyramid, V = l × w × h

The surface area of the pyramid = 2 × l × h + 2 × w × h + 2 × l × w = 200

∴  l × h + w × h + l × w = 200/2 = 100

We have that the maximum volume is given when the length, width, and height are equal and one length is not a fraction of the other. Therefore, we get;

At maximum volume, l = w = h

∴ l × h + w × h + l × w = 3·l² = 100

l² = 100/3

l = 10/√3

Therefore, the volume, v = l³ = (10/√3)³

The length = The width = The height = 10/√3 cm ≈ 5.8 cm

7 0
3 years ago
Determine the factors of x2 − 8x − 12. (x − 6)(x 2) (x 3)(x − 4) prime (x 6)(x − 2)
Ivanshal [37]

The polynomial cannot be factored in because it exists prime. Since 112 exists not a perfect square number so we cannot estimate the factors of the given equation.

<h3>What is a quadratic equation?</h3>

In a quadratic equation ax² + bx + c = 0

when (b² - 4ac) exists a perfect square only then we can factorize the equation.

In the given equation x² - 8x - 12 we have to determine the value of

b² - 4ac

From the equation, we get b = -8 and c = -12

b²- 4ac = (-8)² - 4(1)(-12)

= 64 + 48 = 112

Since 112 exists not a perfect square number so we can not estimate the factors of the given equation.

To learn more about quadratic equation refer to:

brainly.com/question/1214333

#SPJ4

4 0
2 years ago
Which expression is equivalent to 1/4(8-6x+12)
ololo11 [35]
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8 0
3 years ago
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