How do you simplify -2( -1 - w )

Answers

Answer 1

Answer: Distribute:
2-2x-w

regroup terms:
2-(-2w)

simplify brackets:
2+2w

Answer 2

Answer: -2(-1-w)
-2(-1)-2(-w)
2*1+2w
2+2w

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Which decimals are less than –0.8?Choose all answers that are correct
–7.13
–0.86
–0.79
0.846

Answers

The Correct Answers Are A And C

Glad To Help You

Hope It Helps!!

when you plot these on a number line, -7.13 and -0.86 will both be farther from ZERO than -0.8

What is an equation of the line that passes through the point (-6,3) and (-6,6)

Answers

Answer:

y=3x+21

Step-by-step explanation:

The slope is 3. so let's write a slope intercept form.

y=3x+b

let's plug in the y and x values

3=3(-6)+b

3=-18+b

add 18 to both sides

21=b

b=21

Ms. Ramos buys a rare painting for m dollars. She sells it for 5 times the amount she paid for it, or 5m. Her profit is5m-m
She purchases another painting using half of the profit from the sale. Which expression represents how much MS
Ramos paid for the second painting?
•4m+2. •5m+2. •5m/2. •4m/2

Answers

I’m pretty sure the answer is 4m/2

Answer:

(D) 4m/2

Step-by-step explanation:

took test

Calculate the discriminant x2-2x+4=0
A.0

B.20

C.12

D.-12

Answers

$ax^2+bx+c=0\nthe\ discriminant:\Delta=b^2-4ac\n-------------------\nYour\ example:\nx^2-2x+4=0\to a=1;\ b=-2;\ c=4\n\nthereore\ \Delta=(-2)^2-4\cdot1\cdot4=4-16=\fbox{-12}\n\nAnswer:\boxed{D.\ -12}$

$x^2-2x+4=0 \n \na=1 \nb=-2 \nc=4 \n \n\hbox{the discriminant: } \Delta=b^2-4ac=(-2)^2 - 4 *1 * 4=4-16=-12$

The answer is D.

Samira ran around a park loop that was 1/3 mile long. She ran around the loop 9 times. Samira says she ran 9/3 miles. Her brother says she ran 3 miles. Who is correct?Use words and drawings to explain

Answers

They both are correct .
9/3 = 3 so its 3 miles

If (3+y)/y=7, then y=
Please help :)

Answers

$\frac{\big{3+y}}{\big{y}}=7\ \ \ \Rightarrow\ \ \ D:\ y \neq 0\n\n \frac{\big{3+y}}{\big{y}}\cdot y=7\cdot y\n\n3+y=7y\n\ny-7y=-3\n\n-6y=-3\ /:(-6)\n\ny= (3)/(6) \n\ny= (1)/(2) \ \in\ D$

$(3 + y)/(y) = 7 \n \n 3 +y = 7y \n \n 1y - 7y = -3 \n \n -6y = -3 \n \n y = (-3)/(-6) = (1)/(2) \n \n y = (1)/(2)$

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Hey guys PLEASE HELP ME SO THIS ONE IS TRICKY AND COMPLEX I APPRECIATE IF SOMEONE REACHES OUT AND HELPS. 2X+Y=-147X-4Y=-19 OK SO FAR I TOOK THE second equation and added 4y to both sides which then resulted in 7x=4y-19 did i do something wrong?

Help please and hurry it is due tomorrow

Mark said that the number 0.05 has a value 10 times greater than 0.5 is he correct

What is 9,574.00 x 5.05% =