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andrezito [222]
3 years ago
6

Find the value of the x

Mathematics
1 answer:
Bingel [31]3 years ago
8 0

Answer:

answer is 103

Step-by-step explanation:

25+52+x=180

x=77

subtract 180 - 77 = 103

answer is 103

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vesna_86 [32]

Answer:

10,000,000

Step-by-step explanation:

10^6 is 10,000,000

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3) This is one term that is expressed as a real number, a variable, a product, or quotient of a variable and real number.
jasenka [17]
The answer is monomial
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frosja888 [35]

Answer:

36 is the answer for this problem

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3 years ago
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17. A hemisphere of lead of radius 7 cm is cast into a right circular cone of height 49 cm. Find
Pavlova-9 [17]

Answer:

r = 3.74cm

Step-by-step explanation:

Given

Hemisphere

Radius = 7cm

Cone

Height = 49m

Required

Determine the radius of the cone

First, we calculate the volume (V1) of the hemisphere.

V_1 = \frac{2}{3}\pi r^3

Substitute 7 for r

V_1 = \frac{2}{3}\pi * 7^3

V_1 = \frac{2}{3}\pi * 343

V_1 = \frac{686}{3}\pi

Volume (V2) of a cone is:

V_2 = \frac{1}{3}\pi r^2h

Because the lead is cast into a cone, then they have the same volume.

So, we have:

\frac{686}{3}\pi = \frac{1}{3}\pi r^2h

686 =  r^2h

Substitute 49 for h

686 =  r^2 * 49

Divide both sides by 49

r^2 = \frac{686}{49}

r^2 = 14

r = \sqrt{14

r = 3.74cm

<em>Hence, the radius of the cone is 3.74cm</em>

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3 years ago
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