3 years ago

Can someone pls help i know this seems easy but its not for a none smart person like me

Mathematics

1 answer:

BabaBlast [244]3 years ago

3 0

Answer:

1/2

Step-by-step explanation:

3/4 * 2/3 = 1/2

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RADIANS?.................

Taya2010 [7]

Answer:

pi/18

Step-by-step explanation:

To change from degrees to radians, we multiply by pi/180

10 * pi/180

pi/18

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3 years ago

Sara uses 7.6 pints of blue paint and white paint to paint her bedroom walls. 3 4 of this amount is blue paint, and the rest is

labwork [276]

Answer:

1.9

Step-by-step explanation:

7.6/4= 1.9

1.9*1= 1.9

ans is 1.9 pints

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3 years ago

What is the volume of a small cone if:

Amiraneli [1.4K]

Answer:

Volume of smaller cone =301.44

Step-by-step explanation:

First let angle of cone be $\alpha$ .

then $sin(\alpha )$ = 3/5 (For bigger triangle)

Same cone angle is for smaller one because they are similar.

$cos(\alpha )$ = 4/5

Now for smaller cone radius be R

3/5 =R/Slant height

Slant height =5/3R

Lateral surface area = $\frac{1}{2}R^{2}\beta$ [R = slant height]

Given lateral surface area =60 $\pi$ = $\frac{1}{2}(\frac{5R}{3} )^{2} \beta$ ...................................1

$2\pi R=\frac{5R}{3}\beta$ ................................................2

$\beta=\frac{6\pi }{5}$

Put angle beta in equation 1 and find the value of R

R =6 cm

Height = $\frac{4R}{3}$

Thus volume = $\frac{1}{3}\pi6^{2}*8$

=301.44

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3 years ago

Is 7/8 equivalent to 3/4?

fredd [130]

No, 3/4 is equivalent to 6/8 and 7/8 is in its final form

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3 years ago

Paul, buys 2 pencils for every 3 notebooks at the flea market. If he bought a total of 48 Pencils, how many notebooks did he buy

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Answer

Step-by-step explanation:

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3 years ago