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2 years ago

One spinner has 48 equal sections and 6 are blue. A second spinner has 72 equal sections and 9 are blue. What is the

Mathematics

1 answer:

harkovskaia [24]2 years ago

3 0

I believe it’s B. Hope this helps :)

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-3+3x=-2(x+1) the 2 is a negative please break it down

Veronika [31]

-3+3x=-2(x+1) First: I will get rid of the bracket:

-3+3x=-2x-2

Now, all the x goes to the left side, all the numbers without x to the right side:

3x+2x=-2+3

we add up"

5x=1

divide by 5:

$x= \frac{1}{5}$

7 0

3 years ago

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I NEED HELP PLEASE, THANKS.

saveliy_v [14]

Answer:

B. $33.7 mm; 54mm^2$

Step-by-step explanation:

To find the perimeter, use the formula:

P = a + b + c

P = 12 + 12 + 9.7

P = 33.7

To find area, use the formula:

A = $\frac{1}{2} bh$

A = $\frac{1}{2} (12)(9)$

A = $\frac{1}{2} (108)$

A = 54

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2 years ago

Volume of Spheres

Oliga [24]

It’s simple. The volume of a sphere is V=4/3πr^3.. so you will convert the mm to m okay?? 10mm=1cm .. so do your conversion from here then when you get the radius then you will substitute it into the volume where r is the radius.. so for the first one l changed mm to cm so.. radius is 4cm then l substitute it into the formula so l got 270 after rounding it to the nearest tenth.. pi=22/7 bear in mind. So do the same for the other one

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2 years ago

The measure of <1 = 040 160 O

mafiozo [28]

Answer:

Step-by-step explanation:

As the total circumference of a circle is 360 degrees, the measure of the unknown arc is 360-150-130=80 degrees.

So, by the inscribed angle theorem, angle 1 measures 40 degrees.

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1 year ago

Please take this points

MissTica

Thank you I would love to accept this great present and gift from you king

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3 years ago

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