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2 years ago

Simplify – w + 1 – (–8w)

Mathematics

2 answers:

d1i1m1o1n [39]2 years ago

7 0

Answer:

7w + 1

hope it helped. :)

Furkat [3]2 years ago

7 0

Answer: =the answer is 7w+1

Step-by-step explanation:

that's the answer you subtract 1-8 give you 7 and you put the w as this 7w and you just pit the +1 and that's it 7w+1

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Which ordered pair is a solution of the equation? − 7 x + 3 y = 2 −7x+3y=2

Viefleur [7K]

Answer:

Hello There. ☆~\---___`:•€`___---/~☆ The correct answer is C. Both (1,3) and (-2,-4).

To check whether (-2,-4) is a solution of the equation let's substitute x= -2 and y= -4 into the equation:

-7x+3y=2

-7*(-2)+3*(-4)=2

14-12=2

2=2

Do the same thing with (1,3)

-7x + 3y = 2

-7 * 1 + 3 * 3 = 2

-7 + 9 = 2

2 = 2.

Hope It Helps!~ ♡

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2 years ago

A segment has endpoints at (-2,3) and (7,9), How long is the segment?

trasher [3.6K]

$l=\sqrt{(x_2-x_1)^2+(y_2-y_1)^2}=\sqrt{(7-(-2))^2+(9-3)^2}=\sqrt{9^2+6^2}\\=\sqrt{81+36}=\sqrt{117}=10.82 \ units$

4 0

3 years ago

Monica estimates the recipe makes about 5 cups of fruit salad. Which explanation describes whether Monica's estimate is reasonab

Darya [45]

Answer:

Step-by-step explanation:

Not reasonable, Why did you put that as your answer?

The whole numbers add up to more then 4 cups.

5 0

3 years ago

If a car is traveling 92 feet per second, how many miles per minute is it traveling?

Jobisdone [24]

It’s A because 92 times 60 is 5520 divide that by the conversion of miles to a foot which is 5280 so 5520 divided by 5280 equals 1.045 or 1.05

7 0

2 years ago

Write an equation in standard form of the line that contains the point (-1,2) amd is perpendicular to y = 3x - 1

Strike441 [17]

Since it is perpendicular to y=3x-1, the slope must be a negative reciprocal.
there the slope of the perpendicular line is $-\frac{1}{3} x$

So now we have,
$y=- \frac{1}{3} x+b$

To find b, we use the point that the line passes through and substitute it to the y and x values.

$2=- \frac{1}{3} (-1)+b$

which would give us b=5/3

Therefore, the equation of the line is
$y=- \frac{1}{3} x+ \frac{5}{3}$

7 0

2 years ago