4 years ago

Solving basic combined equations 5x - 3=22

Mathematics

2 answers:

tensa zangetsu [6.8K]4 years ago

4 0

$5x - 3 =22

$ add the 3 over. $5x = 25$ divide by 5. $x = 5$

Paul [167]4 years ago

4 0

In order to solve an equation, we need to isolate the x. For the equation 5x-3=22, we first need to add 3 to both sides to get 5x=25. Then we need to divide both sides by 5 to get x=5 which is the answer.

I hope this helps.

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A circle has the equation x2 + (y−7)2 = 121. What is the length of the diameter of the circle?

Reika [66]

Answer:

Step-by-step explanation:

The standard form for an equation of a circle is $(x-h)^2+(y-k)^2=r^2$ , where h is the x coordinate of the center of the circle, k is the y coordinate, and r is the radius of the circle. Therefore, the radius of this circle squared is 121, meaning that the radius of the circle is 11. Since the diameter of a circle is twice the radius, the radius of this circle is 22. Hope this helps!