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loris [4]
3 years ago
6

2w2 - W - 28 = 0 What is the answer to this??

Mathematics
1 answer:
vesna_86 [32]3 years ago
6 0

Answer:

w = 4 or w=-3.5

Step-by-step explanation:

This likely factors into

(2w  + 7)(w - 4) = 0

in which case there are 2 factors.

2w + 7 = 0

w = - 3.5      or

w - 4 = 0

w = 4

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{5x−y=−21 What is the solution of the system?
Montano1993 [528]

Answer:

Step-by-step explanation:

5x - y = -21

y = 5x + 21

Substituting into:

x + y = -3

x + 5x + 21 = -3

6x = -24

x = -4

y = 5(-4) + 21

y = 1

Solution: (-4,1)

8 0
3 years ago
Mariana and Vicky both solved 617 divided 6. Mariana got 12 remainder 5 as her answer. Vicky got 102 remainder 5 as her answer.
valentina_108 [34]

Answer:

617 ÷ 6

Dividing in order from left to right:

6 into 6 goes once.

6 into 1 doesn't so carry the 1 to the next number

6 into 17 goes twice, remainder 5

So we have: 102 remainder 5.

Vicky is correct.

4 0
3 years ago
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Given the polynomial 2x3 + 18x2 − 18x − 162, what is the value of the coefficient 'k' in the factored form?
11Alexandr11 [23.1K]
If you would like to know the value of the coefficient 'k' in the factored form, you can find this using the following steps:

2x^3 + 18x^2 - 18x - 162 = 2 * (x^3 + 9x^2 - 9x - 81) = 2 * (x^2(x + 9) - 9(x + 9)) = 2 * ((x + 9) * (x^2 - 9)) = 2 * (x + 9) * (x - 3) * (x + 3) = 2 * (x + 3) * (x - 3) * (x + 9)

The correct result would be: k = 3.
5 0
3 years ago
Read 2 more answers
What’s the length of the mid segment of a trapezoid with bases of length 16 and 24
blagie [28]

Answer:

20

Step-by-step explanation:

The midsegment of a trapezoid is calculated as

\frac{sumofbases}{2} = \frac{16+24}{2} = \frac{40}{2} = 20

7 0
3 years ago
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SpyIntel [72]

Answer:

I). X= 1,0. II) 1.72

Step-by-step explanation:

Using quadratic formula

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3 years ago
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