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2 years ago

Select the best equation needed to solve for x; then solve for x:

Mathematics

2 answers:

Natali [406]2 years ago

7 0

Step-by-step explanation:

A. 5x=12x-14

you will simplify the equation to the form, which is simple to understand

5x=12x-14

We move all terms containing x to the left and all other terms to the right.

+5x-12x=-14

We simplify left and right side of the equation.

-7x=-14

We divide both sides of the equation by -7 to get x.

x=2

B. 5B+12=BB=28

you will move all terms to the left:

.5B+12-(BB)=0

you will move all terms containing B to the left, all other terms to the right

.5B-BB=-12

Stells [14]2 years ago

5 0

The answer is A yea yea yea yessir

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Find an equation of the circle whose diameter has endpoints (1,-4) and (-3,6).

MAVERICK [17]

Answer:

$(x+1)^2+(y-1)^2=58$

Step-by-step explanation:

To find the equation of this circle, we must know the center and the radius.

We can find the radius by dividing the value of the distance formula by 2 (since $r=\frac{d}{2}$ ):

$d=\sqrt{(-3-1)^2+(6-(-4))^2}=\sqrt{116}\\r=d/2=\frac{\sqrt{116}}{2}$

We can then find the center of the circle by averaging the coordinates:

$\frac{1+(-3)}{2}=-1$

$\frac{-4+6}{2}=1$

Then, we substitute these values into the equation of a circle:

$(x-(-1))^2+(y-1)^2=(\frac{\sqrt{116}}{2})^2\\(x+1)^2+(y-1)^2=58$

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3 years ago

3\8 (2x+16)−2=13<br><br> I'm having trouble with a lot of these

dlinn [17]

Add 2 to 13 and then divide by 3/8. subtract 16 and then divide by 2. 12 is your answer

8 0

3 years ago

Read 2 more answers

A.Directions: Solve the system of equations by substitution and elimnination. Check your solutions.

Daniel [21]

Answer:

I had done already.thanks for huge point and heart.

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3 years ago

Help on this math stuff

liq [111]

Plan A would be better

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3 years ago

What is the area of this square the height is 4 in the width is 4

puteri [66]

Answer;

Step-by-step explanation:

eee 4*4*4=64

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2 years ago