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2 years ago

Srry if the picture is a little blurry

Mathematics

1 answer:

aniked [119]2 years ago

5 0

ANSWER: C)30yd EXPLAINED: base x hight devided by 2 or 1/2 hope this helps

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Factorise 2a – 4a3 + 6abc

Viefleur [7K]

The answer for this will be

2a(1-2a ²+3bc)

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3 years ago

Three times a number minus 2 is 25. What is the number?

Verizon [17]

3×9=27-2=25
3× what # - 2= 25

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2 years ago

Read 2 more answers

Please help me!!! Geometry question.

tigry1 [53]

Answer:

The volume of the figure is $(\frac{l^{3}}{3})[\frac{\pi }{2}-1]\ units^{3}$

Step-by-step explanation:

we know that

The volume of the figure is equal to the volume of the cone minus the volume of the square pyramid

step 1

Find the volume of the cone

The volume of the cone is equal to

$V=\frac{1}{3}\pi r^{2}h$

we have

$r=\frac{l\sqrt{2}}{2}\ units$ ----> the diagonal of the square base of pyramid is equal to the diameter of the cone

$h=l\ units$

substitute

$V=\frac{1}{3}\pi (\frac{l\sqrt{2}}{2})^{2}(l)$

$V=\frac{1}{6}\pi (l)^{3}\ units^{3}$

step 2

Find the volume of the square pyramid

The volume of the pyramid is equal to

$V=\frac{1}{3}Bh$

where

B is the area of the base

h is the height of the pyramid

we have

$h=l\ units$

$B=l^{2}\ units^{2}$

substitute

$V=\frac{1}{3}l^{2}(l)$

$V=\frac{1}{3}l^{3}\ units^{3}$

step 3

Find the volume of the figure

$\frac{1}{6}\pi (l)^{3}\ units^{3}-\frac{1}{3}l^{3}\ units^{3}=(\frac{l^{3}}{3})[\frac{\pi }{2}-1]\ units^{3}$

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3 years ago

If it takes Doug 40 mins to clean his home and Frankie 50 mins. How long will it take if they work together?

lora16 [44]

Find the average value:
40 minutes + 50 minutes = 90 minutes
90 minutes/2 = 45 minutes
Together it will take them 45 minutes to clean the house

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2 years ago

Multiply -1/2 c(4c -2) Please ASAP

nalin [4]

Answer:

-2c^2 + c

Step-by-step explanation:

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3 years ago