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3 years ago

What is the radius of this circle?

Mathematics

2 answers:

Alja [10]3 years ago

7 0

Answer:B

Step-by-step explanation:

kicyunya [14]3 years ago

3 0

Answer:

3cm

Step-by-step explanation:

Diameter (2r)= 6cm.

Radius, r= 6/2 = 3 cm

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A painter charges $32 per hour for labor plus $50 for supplies. If the total charge was $338 how many hours did he spend paintin

Leni [432]

32x+50=338, 32x=288, x=9. 9 hours.

4 0

3 years ago

Someone please help and explain

Whitepunk [10]

okay so that would be a 1

because of the Rules of Zero

stating that whatever variable and exponent of 0 is 1 or something like that

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4 years ago

Which of the following is a rational number?

VladimirAG [237]

Answer:

where are the choices?

Step-by-step explanation:

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4 years ago

Find the equation of the line using the point-slope formula. Write all the final equations

vivado [14]

Answer:

$y=\frac{1}{2}x+\frac{5}{2}$

Step-by-step explanation:

We are going to find the slope by lining up the points vertically and subtract, then put 2nd difference over first.

Also you could just use $\frac{y_2-y_1}{x_2-x_1}$ . It is the same thing.

( 5 , 5)

-( 1 , 3)

--------------

4 2

So the slope is 2/4 or 1/2 after reducing.

The point-slope form a line is

$y-y_1=m(x-x_1)$ with a point on the line $(x_1,y_1)=(1,3)$ given and with slope $m=\frac{1}{2}$ given.

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

We are going to solve this for y and simplify what we can because our goal is y=mx+b; this is slope-intercept form. It is called that because it tells us the slope,m, and the y-intercept,b.

Distribute:

$y-3=\frac{1}{2}x-\frac{1}{2}$

Add 3 on both sides:

$y=\frac{1}{2}x-\frac{1}{2}+3$

Simplify:

$y=\frac{1}{2}x+\frac{5}{2}$

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4 years ago

The coordinates (-5,2) represent which point?

PSYCHO15rus [73]

Answer:

Step-by-step explanation:

3 0

2 years ago

Read 2 more answers