3 years ago

Can someone help me, its with math

Mathematics

1 answer:

gregori [183]3 years ago

4 0

Answer:

long time huh You a fan of bts

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Find the lateral area of the cone in terms of π.

Andreyy89

Answer:

$15\pi\ cm^{2}$

Step-by-step explanation:

we know that

The lateral area of the cone is equal to

$LA=\pi rl$

where

r is the radius of the base

l is the slant height

we have

$r=3\ cm$

Applying the Pythagoras Theorem find the slant height

$l^{2}=3^{2} +4^{2}\\ \\l^{2}=25\\ \\l=5\ cm$

substitute in the formula

$LA=\pi (3)(5)=15\pi\ cm^{2}$

8 0

3 years ago

Gerald bought 3 shirts for 8.40 each, 2 shirts for 12.89 each, and one shirt for 18.90. What was the average cost of the shirts?

Vanyuwa [196]

So first, you add all the numbers together

8.40*3=25.20
12.89*2=25.78
18.90*1=18.90
____________
$69.88

Divide the number of shirts: 6 by the total amount

69.88
_____ = $11.64666= $11.65 is your answer!
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6 1/2 - 3 2/5 please help really need it

tatuchka [14]

Answer is 3 1/10

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13/2 - 17/5 =
65/10 - 34/10 =
31/10 = 3 1/10

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3 years ago

Plz help I need the answer <br><br> You have to solve for the variable

serious [3.7K]

X=10 let me know if you need the work

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