3 years ago

Break apart 35 into 30+5=

Mathematics

1 answer:

s344n2d4d5 [400]3 years ago

6 0

30+5=5+30 with commutative property or 30+5=35

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|-5c+5|=40 solve for c

GrogVix [38]

Answer:

C=9 or c=-7

Step-by-step explanation:

|-5c+5|=40

-5c+5=-40 or - 5c+5=40

-5c=-40-5. - 5c=40-5

-5c=-45. - 5c=35

C=9. C=-7

5 0

2 years ago

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WILL MARK BRAINLIEST! What is the formula to calculate the slope? Is it y^2-y^1/x^2-x^1? Please type it in for me.

Leya [2.2K]

Answer:

You are correct. Remember: rise over run.

m = $\frac{y2-y1}{x2-x1}$

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2 years ago

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Solve the system of equations using substitution. Write the solution as an ordered pair.

IrinaK [193]

Answer:

(-3, 3)

Step-by-step explanation:

Substitute for y:

x+6 = -2x -3

3x = -9 . . . . . . . add 2x -6 to both sides

x = -3 . . . . . . . . divide by 3

y = (-3) +6 = 3 . . substitute for x in the first equation

The solution is ...

(x, y) = (-3, 3)

4 0

3 years ago

Danielle runs 1/5 of a mile in 4.5 minutes. if she continues at the same speed, how long will it take her to run two miles?

motikmotik

(1/5) / 4.5 = 2 / m....1/5 mile to 4.5 minutes = 2 miles to m minutes
cross multiply
(1/5)(m) = (2)(4.5)
1/5m = 9
m = 9 * 5/1
m = 45 minutes <===

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2 years ago

3x-4y=28 find slope intercept form

Helen [10]

First you have to subtract 3x and then divide everything by -4 to get y=3/4x-7

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3 years ago