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tamaranim1 [39]
3 years ago
13

A solid metal sphere with diameter 6cm needs to be covered with a protective

Mathematics
1 answer:
lidiya [134]3 years ago
8 0

Answer:

It will cost: £28.28

Step-by-step explanation:

Area of sphere = 4 x π x r2

Area of Circle = 4 x π x 3^2 = 113.097 (radius is half of diameter)

113.097 / 0.25 = 28.28

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77julia77 [94]
It would be: -960/-8 = 120

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Monica [59]

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Step-by-step explanation:

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3 years ago
Find the area of shaded portions in figures.​
sertanlavr [38]

Answer:

360cm²

Step-by-step explanation:

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6 0
3 years ago
Help!
GaryK [48]

Answer:

The computation of the angles show that the value of sin x and cos y will be 4/5 and 3/5 respectively.

How to calculate the angles?

From the information, we've to compute the length of the hypothenuse using Pythagoras theorem.

Therefore, 4² + 3² = hypothenuse²

hypothenuse² = 16 + 9

hypothenuse² = 25

hypothenuse = ✓25.

hypothenuse = 5

Therefore, sin x = opposite/hypothenuse = 4/5

cos y = adjacent/hypothenuse = 3/5

In conclusion, the values are 4/5 and 3/5.

Step-by-step explanation:

5 0
2 years ago
**EXTRA POINTS**<br><br> Which of the following will be the reflection of (2,3) over the x-axis?
taurus [48]

Answer:

it will be (2,-3)

Step-by-step explanation:

hsvs hs sdbd. dvd d d dvd dbdbdg

6 0
3 years ago
Read 2 more answers
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