MATHEMATICS MIDDLE SCHOOL

X -5y =-15

x=-5
what does y equal to

Answers

Answer 1
Answer:

Hello.

X= −5/14 y

Step 1: Add -15x to both sides.

x−5y+ −15x= 15x+ −15x

−14x−5y=0

Step 2: Add 5y to both sides.

−14x −5y+5y= 0+5y

−14x=5y

Step 3: Divide both sides by -14.

−14x/−14= 5y/−14

x= −5/14 y


Have a nice day

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Answers

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Which inequality is graphed on the number line shown? A.


x > –3


B.


x ≤ –3


C.


x < –3


D.


x ≥ –3

Answers

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The circle is filled in so -3 also satisfies the inequality, so it's ≤.
The answer is B. x≤-3.

Answer:

The answer is B. x≤-3.

Step-by-step explanation:

The graph is to the left of -3, so it's < or ≤.

The circle is filled in so -3 also satisfies the inequality, so it's ≤.

hope i helped

Diagram shows two perpendicular straight lines,OB and CBD,drawn on a Cartesian plane.find
(a)the equation of the straight line CBD
(b)the-x intercept of the straight line DQ

Answers

Answer: (a) y = -3x + 10

               \bold{(b)\x=\bigg((10)/(3),0\bigg)}  

Step-by-step explanation:

The slope of line CD is perpendicular to line OB, which means they have opposite and reciprocal slopes.

Step 1: Find the slope of OB using the formula: m=(y_2-y_1)/(x_2-x_1)

(x₁, y₁) = (0, 0) and (x₂, y₂) = (3, 1)

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y      = -3x + 10    added 1 to both sides

***********************************************************************

The x-intercept of DQ is the same x-intercept as CD.  The x-intercept is when y = 0

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