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3 years ago

56 is 80% of blank. What is the blank supposed to be?

1 answer:

4 0

The answer is 70. You can obtain this by dividing the number by its percentage, and 56 is 80 percent of 70. I hope this helped, have a nice day! =)

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Use substitution to show that 9+6(10-7x) is equivalent to 69-42x. .

Leno4ka [110]

Answer:

hope this helps

Step-by-step explanation:

9+6(10-7x)

9+60-42x

69-42x

4 0

3 years ago

Which is an equation of the line with a slope of (1,4) and a y-intercept of-2

anzhelika [568]

Answer:

y=6x-2

Step-by-step explanation:

Fisrt things first, you want to find the slop. One of the points is (1,4). You want the other point. Using the y-int, you can figure out the other point is (0,-2). You get this because the y-intercept means the x value is 0.

Next you use the two points and plug it into the formula (change in y/ change in x)

(-2-4)/(0-1)=-6/-1 = 6

Now you know the slope is 6. Since you know the y-int, you can plug that into the slope-intercept formula (y=mx+b)

That would give you: y=6x-2

7 0

4 years ago

Combine the like terms to create an equivalent expression: -3n-7+(-6n)+1

stira [4]

The answer to the question is -9n - 6

4 0

4 years ago

Each vertex of a quadrilateral is dilated by a factor of 2 about the point Al-4, 7). What will be the effect on the perimeter of

Serggg [28]

The perimeter will increase by 2 units

5 0

2 years ago

21. The solution(s) is/are b = Please help me solve this

Reil [10]

Answer:

b = -4, 0

Step-by-step explanation:

Given :

b² + 4b = 0

Take b as a common factor.

b(b + 4) = 0

Solutions

b = 0
b + 4 = 0 ⇒ b = -4
b = -4, 0

6 0

2 years ago

Read 2 more answers