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3 years ago

What is the volume of a hemisphere with a diameter of 6.1 cm, rounded to the nearest tenth of a cubic centimeter?

Mathematics

2 answers:

Vladimir [108]3 years ago

8 0

Answer:

The volume of hemisphere is V = 59.4 $cm^{3}$

Step-by-step explanation:

Diameter of hemisphere = 6.1 cm

Radius of hemisphere = 3.05 cm

We know that volume of hemisphere is given by

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

$V = \frac{2}{3} \pi (3.05)^{3}$

V = 59.4 $cm^{3}$

Therefore the volume of hemisphere is V = 59.4 $cm^{3}$

rewona [7]3 years ago

7 0

Answer:475.4 ft

Step-by-step explanation:

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Zack wants a new skateboard that costs $98. He has a coupon for 20% off the original price. The sales tax is 6%, what is the fin

svet-max [94.6K]

The final cost of skateboard will be $83.10

Step-by-step explanation:

Given,

Cost of skateboard = $98

Coupon = 20% off

Amount of discount = 20% of cost of skateboard

$Amount\ of\ discount=\frac{20}{100}*98\\\\Amount\ of\ discount=\frac{1960}{100}\\\\Amount\ of\ discount=\$19.6$

Cost of skateboard after discount = Cost of skateboard - Amount of discount

Cost of skateboard after discount = 98 - 19.6 = $78.4

Sales tax = 6%

Sales tax amount = 6% of discounted price

$Sales\ tax\ amount=\frac{6}{100}*78.4\\\\Sales\ tax\ amount=\frac{470.4}{100}\\\\Sales\ tax\ amount=\$4.70$

Final cost of skateboard = Discounted price + Sales tax

Final cost of skateboard = 78.40+4.70 = $83.10

The final cost of skateboard will be $83.10

Keywords: sales tax, addition

Learn more about addition at:

#LearnwithBrainly

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3 years ago

Simplify (2√5+3√7)squared

belka [17]

Ok....
Simplified would be 12.40
Squared would be 153.99 or fraction form would be 83 + 12 $\sqrt{35}$

H0P3 It H3LPS :)

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3 years ago

Pls help asap math isn't my thing

stira [4]

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babymother [125]

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