3 years ago

3. what is the simplified form of x+4/7 - x+3/x+5

1 answer:

4 0

(x + 4) (x+5) (x + 3) 7 x^2 + 2x - 1
------- * ----- - ----------- * --- = --------------------
7 (x+5) (x + 5) 7 7( x + 5)

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Write a proportion that could be used to solve for each variable. Then solve.

iren [92.7K]

60/25 = 12/Y
cross multiply and divide

25 x 12 = 300

300 / 60 = 5

Y = 5 boxes

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3 years ago

Question choices 85 50 42.5 59 1.7 PLEASE HELP PLS

aleksley [76]

Answer:

42.5

Step-by-step explanation:

Multiply 50 by 0.85, which equals 42.5.

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3 years ago

Which expressions are equivalent to -2.5(1-2n) - 1.5n

Keith_Richards [23]

Answer:

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Step-by-step explanation:

The goal is to simplify this expression.

1. Distribute

-2.5 * 1 = -2.5

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Now, we have

-2.5 - 5n - 1.5

2. Combine like terms

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3. Put it together

-5n - 4

I hope I helped!

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3 years ago

Solve the system of linear equations. - 3x + 5y = 13 x + 4y = -10

Molodets [167]

Answer:

(-6,-1)

Step-by-step explanation:

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3 years ago

Solve the system by graphing y=-4x-2 -2x+y=-2 Plot both lines and point of intersection by moving the dots to the correct locati

UkoKoshka [18]

Answer:

The point of intersection is (0,-2).

Step-by-step explanation:

Equation 1: $y=-4x-2$

Equation 2 : $-2x+y=-2$

Plot the lines on the graph

Refer the attached figure

Equation 1: $y=-4x-2 ---- Red$

Equation 2 : $-2x+y=-2 ---- Blue$

Point of intersection : A point where both the lines intersect is called point of intersection.

So, Both lines intersect at point (0,-2)

So, Point of intersection is (0,-2)

Hence The point of intersection is (0,-2).

7 0

3 years ago