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2 years ago

13

Use the distributive property to remove the parenthesis -4(-5w-3u+2)

2 answers:

lisov135 [29]2 years ago

6 0

You multiply -4 to everything inside of the parenthesis which is 20w+12u-8

MrRa [10]2 years ago

3 0

Answer:

20w + 12u - 8

-Hope this is correct

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Yuvia works in a computer store, where she earns a commission of 8 percent of her sales. On Monday, her sales were $2,500. She c

tankabanditka [31]

(2,500)(0.08) = 200

On Monday, Yuvia made $200 on commission.

8 0

3 years ago

Read 2 more answers

ANSWER FAST!!!!!!!

Lemur [1.5K]

Answer:

The angle between the 190 ft. side and the 330 ft. side is $57.9^o$

Step-by-step explanation:

<u>The Law of Cosines</u>

When we know the value of all sides of a triangle, we can compute all of its interior angles by using the Law of Cosines, which is a generalization of the Pythagoras's theorem. If a,b, and c are the known sides of a triangle and $\alpha$ is the angle formed by sides a and b (opposite to c), then

$\displaystyle c^2=a^2+b^2-2ab\ cos\alpha$

We'll use the values a=190, b=330, c=280 because we want to compute the angle opposite to c

$\displaystyle cos\alpha =\frac{a^2+b^2-c^2}{2ab}$

$\displaystyle cos\alpha =\frac{190^2+330^2-280^2}{2(190)(330)}$

$\displaystyle cos\alpha =\frac{36100+108900-78400}{125400}$

$\displaystyle cos\alpha =\frac{66600}{125400}=0,5311$

$\displaystyle \alpha= arccos\ 0.5311$

$\boxed{\displaystyle \alpha= 57.9^o}$

5 0

3 years ago

Which statement correctly describes the expression (-60)(-5)? A. Both factors are negative, so the product will be positive. B.

bazaltina [42]

Answer:

a

Step-by-step explanation:

5 0

3 years ago

Read 2 more answers

QUICK!! 18x^2+21x-60=0 pls give me the steps as well

Anton [14]

Answer:

<h2> $x1 = - \frac{5}{2}$ </h2>

$x2 = \frac{4}{3}$

Step-by-step explanation:

$18 {x}^{2} + 21x - 60 = 0$

Divide both sides of the equation by 3

$6 {x}^{2} + 7x - 20 = 0$

Write 7x as a difference

$6 {x}^{2} + 15x - 8x - 20 = 0$

Factor out 3x from the expression

$3x(2x + 5) - 8x - 20 = 0$

Factor out -4 from the expression

$3x(2x + 5) - 4(2x + 5) = 0$

Factor out 2x + 5 from the expression

$(2x + 5)(3x - 4) = 0$

When the product of factors equals 0 , at least one factor is 0

$2x + 5 = 0$

$3x - 4 = 0$

Solve the equation for X

$2x + 5 = 0$

Move constant to R.H.S and change its sign

$2x = 0 - 5$

Calculate the difference

$2x = - 5$

Divide both sides of the equation by 2

$\frac{2x}{2} = \frac{ - 5}{2}$

Calculate

$x 1= - \frac{5}{2}$

Again,

$3x - 4 = 0$

Move constant to RHS and change its sign

$3x = 0 + 4$

Calculate the sum

$3x = 4$

divide both sides of the equation by 3

$\frac{3x}{3} = \frac{4}{3}$

Calculate

$x 2= \frac{4}{3}$

Hope this helps..

Best regards!!

5 0

3 years ago

Read 2 more answers

What is the value of t in the following equation?

erica [24]

Answer: t = 2698 as question is written. Just subtract 14 from both sides. There is either a typo in the question or the answer choices.

Step-by-step explanation:

3 0

3 years ago