PLEASE HURRY.Which expressions can be used to find the coordinates of the midpoint of PQ with endpoints P(3, –1) and Q(–7, –6)? Check all that apply.

((3+7)/2) can be used to find the x-coordinate of the point.

((-1-6)/2) can be used to find the y-coordinate of the point.

(–7 – 3) + 3 can be used to find the x-coordinate of the point.

(–6 – 1) – 1 can be used to find the y-coordinate of the point.

– 1 can be used to find the y-coordinate of the point.

Answers

Answer 1

Answer: we know that
the expression to find the x coordinate of the midpoint of PQ is
Mx=(x1+x2)/2
Mx=(Px+Qx)/2-----> (3-7)/2----> -2

the expression to find the y coordinate of the midpoint of PQ is
My=(y1+y2)/2
My=(PyQy)/2-----> (-1-6)/2----> -3.5

the midpoint is (-2,-3.5)

the answer is
((-1-6)/2) can be used to find the y-coordinate of the point.

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Answers

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I'll do better than that.
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Explain how you would create opposite terms for the x-variable in this system.
3x - 6y = -8

-1/3x+ 4y = 6

Answers

Answer:

Sample Response: To create opposite terms for the x-variable, you need to multiply the second equation by a number that will result in the x term becoming –3x. That number would need to be a multiple of the denominator, which is 3. Multiplying the second equation by 9 would create opposite terms for the x-variable.

Step-by-step explanation:

Answer:

Your answer would be, You can use the Elimination Method, by Multiplying, One or Both Equations by a Constant.

Solve System of Linear Equation:

3x - 6y = -8, -1/4x + 4y = 6 ====> y = 32 /21; x = 8 / 21

Steps:

[ 3x - 6y = -8, -1 / 4x + 4y = 6 ]

Isolate x for 3x - 6y = -8: x = -8 + 6y / 3

3x - 6y = -8

Add 6y both sides:

3x - 6y + 6y = -8 + 6y

Simplify:

3x = - 8 + 6y

Divide Both sides by 3:

3x / x = -8 / 3 + 6y / 3

Simplify:

x = -8 + 6y / 3

Substitute:

x = -8 + 6y / 3

[ 1 / 4 * -8 + 6y / 3 + 4y = 6 ]

Isolate:

-1 / 4 -8 + 6y / 3 + 4y = 6

y = 32 / 21

For x = -8 + 6y / 3

Substitute:

y = 32 / 21

x = -8 + 6 / 3 * 32 / 21

-8 + 6 / 3 * 32 / 21

x = 8 / 21

The Solution to the Systems of Equations are: y = 32 / 21; x = 8 / 21

Hope that helps!!! : )

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Answers

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Answers

Given:
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term = 2 years
interest rate = 3.7% per annum

Simple Interest = Principal * interest rate * term
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Answers

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Step-by-step explanation:

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