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2 years ago

How do u solve 2/3times 5/6times 14

2 answers:

3 0

Multiply numerators which is 2 times 5. Don't forget that 14 can be written as 14/1 so you would also multiply 2 times 5 by 14. Then you would multiply the denominators which is 3 times 6 times 1. So you're answer is 140/18 (5x2x14/3x6x1).

katrin2010 [14]2 years ago

3 0

It will be 2,520 if it's good thanks

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Cylinders A and B are similar. The volume of cylinder A is 20mm3. Calculate the volume of cylinder B.

MrRa [10]

The question is incomplete. The complete question is :

Cylinders A and B are similar. The length of the cylinder A is 4 mm and the length of cylinder B is 6 mm. The volume of cylinder A is 20mm3. Calculate the volume of cylinder B.

Answer:

67.5 $mm^3$

Step-by-step explanation:

Given that :

Cylinder A and cylinder B are similar.

Let volume of cylinder A = 20 $mm^3$

We know the volume of a cylinder is given by V = $\pi r^2 h$

where, r is the radius of the cylinder

h is the height of the cylinder

We have to find the scale factor.

The length scale factor is = $\frac{6}{4}$

$=\frac{3}{2}$

Area scale factor $=\left(\frac{3}{2}\right)^2$

$=\frac{9}{4}$

∴ Volume scale factor $=\left(\frac{3}{2}\right)^3$

$=\frac{27}{8}$

Therefore, the volume of cylinder B is $=20 \times \frac{27}{8}$

= 67.5 $mm^3$

5 0

2 years ago

Is it possible to draw a triangle whose angles measure 50°, 50°, and 80°?

Firdavs [7]

First of all, we know a quality of all interior angles of a triangle, they should add to 180 degrees.

Does 50+50+80 degrees give 180 degrees?

100+80=180 degrees

Therefore, yes, it is possible to draw a triangle with the angle measures given to be 50, 50 and 80 degrees.

Hope I helped :)

5 0

2 years ago

What number would represent 6.9 meters below sea level? *

rewona [7]

Answer:

Step-by-step explanation:

Its actually -6.9

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2 years ago

Given a polynomial f(x), if (x + 7) is a factor, what else must be true?

Tema [17]

A is true--------------------------

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sp2606 [1]

The answer is D. 3 feet and 5 feet

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