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3 years ago

Find all the factors of 73 prime or composite

Mathematics

1 answer:

Rufina [12.5K]3 years ago

8 0

73 is a prime number

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Un cono ha l'area laterale di 255 pigreco cm^2, l'apotema di 17 cm e pesa 900 pigreco g. Calcola il peso specifico del materiale

valkas [14]

Answer:

The specific weight is $1.5\frac{g}{cm^{3}}$

Step-by-step explanation:

The question in English

A cone has a lateral area of 255 pi cm^2, an apothem of 17 cm and weighs 900 pi g. It calculates the specific weight of the material of which it is composed

step 1

Find the radius of the cone

we know that

The lateral area of a cone is equal to

$LA=\pi rl$

we have

$LA=255\pi\ cm^{2}$

$l=17\ cm$

substitute the values

$255\pi=\pi r(17)$

Simplify

$255=r(17)$

$r=255/(17)=15\ cm$

step 2

Find the height of the cone

Applying the Pythagoras Theorem

$l^{2} =r^{2} +h^{2}$

substitute the values and solve for h

$17^{2} =15^{2} +h^{2}$

$h^{2}=17^{2}-15^{2}$

$h^{2}=64$

$h=8\ cm$

step 3

Find the volume of the cone

The volume of the cone is equal to

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

substitute the values

$V=\frac{1}{3}\pi (15)^{2}(8)$

$V=600\pi\ cm^{3}$

step 4

Find the specific weight

Divide the mass by the volume

$\frac{900\pi }{600\pi}=1.5\frac{g}{cm^{3}}$

4 0

3 years ago

Will give brainliest

hoa [83]

Answer:

3,1,2

Step-by-step explanation:

I think it is 3,1,2 but I'm not completely sure lmk if it's correct or incorrect

￣￣￣￣＼／￣￣￣

∧＿∧

;;（´・ω・）

＿旦_(っ(,,■)＿＿

|l￣l||￣しﾞしﾞ￣|

6 0

2 years ago

If you horizontally stretch the linear parent function, f(x) = x, by a factor of 3, what is the equation of the new function?

vekshin1

The correct answer is C

3 0

2 years ago

Can u help me on how to figure out the answer for 12+3/8c=8

Likurg_2 [28]

Answer:

c = 32/3

Step-by-step explanation:

Eliminate the fraction by mult. all terms by 8: 96 + 3c = 64.

Subtract 64 from both sides, obtaining: 3c = 32. Solving for c, c = 32/3.

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3 years ago

What is the square root of 49<br> giving brainliest

tia_tia [17]

Answer:

Step-by-step explanation:

here 7×7 = 49

So the square root of 49 is 7.

Hope it helps you!!

#IndianMurgaツ

4 0

2 years ago

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