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3 years ago

4(4-w)=3(2w+2)find w

Mathematics

2 answers:

Travka [436]3 years ago

7 0

Answer:

Step-by-step explanation:

4(4-w) = 3(2w+2)

Use distributive property:

16 - 4w = 6w + 6

+4w +4w

------------------------

16 = 10w + 6

-6 -6

-------------------------

10 = 10w

---- -----

10 10

1 = w

Hope this helped.

adelina 88 [10]3 years ago

4 0

4(4 - w) = 3(2w + 2)

16 - 4w = 6w + 6

16 - 6 = 6w + 4w

10w = 10

w = 10/10

w = 1

<u>Hence, the required answer is 1</u>

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Step-by-step explanation:

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2 years ago

Find all solutions to x³+3x² − 9x − 27 = 0 by factoring the equation.

SCORPION-xisa [38]

Answer:

The solutions are $x=-3,\:x=3$

Step-by-step explanation:

To factor this cubic polynomial $x^3+3x^2-9x-27$ you must:

Group the polynomial into two sections

$x^3+3x^2-9x-27=\left(x^3+3x^2\right)+\left(-9x-27\right)$

Factor out -9 from $(-9x-27)$

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Factor out $x^2$ from $(x^3+3x^2)$

$(x^3+3x^2)=x^2\left(x+3\right)$

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Factor out common term $x+3$

$-9\left(x+3\right)+x^2\left(x+3\right)=\left(x+3\right)\left(x^2-9\right)$

$x^3+3x^2-9x-27=\left(x+3\right)\left(x^2-9\right)$

Factor $x^2-9$

$x^2-9=\left(x+3\right)\left(x-3\right)$

$x^3+3x^2-9x-27= \left(x+3\right)\left(x+3\right)\left(x-3\right)$

$x^3+3x^2-9x-27=\left(x+3\right)^2\left(x-3\right)=0$

Using the Zero Factor Theorem: = 0 if and only if = 0 or = 0

$x+3=0, \quad{x=-3}\\x-3=0, \quad{x=3}$

The solutions are

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2 years ago

What are the explicit equation and domain for an arithmetic sequence with a first term of 5 and a second term of 3?

meriva

Any arithmetic sequence can be expressed as:

a(n)=a+d(n-1), a=initial term, d=common difference, n=term number

In this case a=5, and d=-2 so

a(n)=5-2(n-1) which can be simplified...

a(n)=5-2n+2

a(n)=7-2n

The domain is restricted to integers from 1 to +oo.

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2 years ago

Read 2 more answers

I NEED HELPPP<br><br> Whats the length of LN?

andre [41]

Answer:

LN = 66 cm

Step-by-step explanation:

The 3 parallel lines divide the 2 sides they intersect in proportion, that is

$\frac{DE}{EF}$ = $\frac{LM}{MN}$ , substitute values

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Hence

LN = LM + MN = 21 + 45 = 66 cm

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2 years ago

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Answer:

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Step-by-step explanation:

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3 years ago

4(4-w)=3(2w+2)find w​

4(4-w)=3(2w+2)find w