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nordsb [41]
2 years ago
13

Pls help i give u brainliest and 5 stars ​

Mathematics
2 answers:
Harrizon [31]2 years ago
7 0

Answer:

1932.4816

Step-by-step explanation:

The formula for SA of a cube is 4πr² so half is 2πr² and sing the radius is 7 the answer is 1932.4816 cm²

Umnica [9.8K]2 years ago
3 0

Answer:

Step-by-step explanation:

Diameter = 14 cm

r = 14/2 = 7 cm

Outer surface area of hemisphere =2πr²

      = 2π*7*7

      = 98π cm²

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I WILL GIVE BRAINLIEST
Vaselesa [24]

Answer:

no

Step-by-step explanation:

80-225*1/3=80-75=5

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3 years ago
Mr. Koren wants to order pizzas for his class party,
vladimir2022 [97]

Answer:9.5

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4 0
3 years ago
Find the volume of the figure. Round your answers to the nearest tenth. It is recommended you use the π button on your calculato
vlada-n [284]

The volume of the figure is 1, 005. 4 mi³

<h3>Volume of a cylinder</h3>

Note that the figure is a cylinder

The formula for volume of a cylinder is given as;

Volume = πr²h

Where

h = height = 5 mi

r = radius = 8mi

Substitute into the volume

Volume = 3. 142 × 8 × 8 × 5

Volume = 1,005. 4 mi³

Thus, the volume of the figure is 1, 005. 4 mi³

Learn more about a cylinder here:

brainly.com/question/9554871

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5 0
1 year ago
the raitio of the number of blue chairs to green chairs is 7:8 .if there are 252 blue chairs ,how many green chairs are there
tresset_1 [31]
\bf \cfrac{blue}{green}\qquad 7:8\qquad \cfrac{7}{8}\qquad \qquad \cfrac{\stackrel{blue}{252}}{\stackrel{green}{g}}=\cfrac{7}{8}\implies \cfrac{252\cdot 8}{7}=g
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3 years ago
Greatest common factor of 40 and 4
Yuki888 [10]

Answer:

4

Step-by-step explanation:

The factors of 40 are  1, 2, 4, 5, 8, 10, 20, 40

The factors of 4 are 1, 2, 4

The common factors are 1, 2, 4

The greatest common factor is 4

6 0
2 years ago
Read 2 more answers
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