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babunello [35]
2 years ago
10

Is there a solution to 0.21 (3x + 3) + 4 =26

Mathematics
1 answer:
bonufazy [111]2 years ago
3 0

Answer:

x = 33.92.

Step-by-step explanation:

0.21 (3x + 3) + 4 = 26

Distribute the 0.21 over the parentheses:

0.63x + 0.63 = 22

0.63x = 22 - 0.63

0.63x = 21.37

x = 21.37 / 0.63

x = 33.92 (answer).

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NARA [144]

Answer:

Step-by-step explanation:

Volume of the figure = Volume of cone + Volume of hemisphere

Cone:

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Diameter = 30m

Radius r = 30/2 = 15 m

Volume of Cone:

=\frac{1}{3}\pi r^{2}h\\\\=\frac{1}{3}\pi*15*15*33\\\\=\pi*15*15*11\\\\=2475\pi m^{2}

Hemisphere:

Radius r = 15 m

Volume of Hemisphere =

=\frac{2}{3}\pi*r^{3}\\\\=\frac{2}{3}\pi*15*15*15\\\\=2*\pi*5*15*15\\\\=2250\pi

Volume of the figure = 2475π + 2250π = 4725π m²

                         

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2 years ago
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Step-by-step explanation:

6 0
2 years ago
If 5% of an amount equals 800,000, then what is that amount? Please I confused, can someone help me!
kondor19780726 [428]

Answer:

the amount is 16,000,000

Step-by-step explanation:

first let that amount be Y for an example. so...

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so the amount you are looking for is 16,000,000

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The picture shows a barn door:
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C

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