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tia_tia [17]
3 years ago
8

3. A solid sphere of radius 3 cm is melted and then recast into small spherical balls, each of

Mathematics
1 answer:
Viefleur [7K]3 years ago
6 0

Answer:

3.6

Step-by-step explanation:

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The two sets of data below show the number of bubbles blown in fifty trials using two different bubble solutions.
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a

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Write the product (4 + i)(4 − i) in the form a + bi. A. 16 − i B. 16 − i2 C. 17 D. 8
bonufazy [111]

Answer:

A.16–i is correct.

Step-by-step explanation:

(4+i)(4–i). [(a+b)(a–b)=(a²–b²)]

(4²–i²)=16–i

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3 years ago
Can I please get some help on this question ?
FrozenT [24]

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2 years ago
Find the number of subset and number of proper subset from A=(5,6,7,8)
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Step-by-step explanation:

The number of subsets=2ⁿ where n=4 members

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3 0
3 years ago
11. You are asked to put a V-shaped roof on a house. The slope of the roof is 53°. What is the measure of the angle needed at th
Anestetic [448]
The question said that it told you the base angles. A roof would have two equal base angles. The base angles= 53

All the angles of a triangle each 180, (the roof is shaped like a triangle)

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53(2)+x=180

106+x=180

Subtract 106 on both sides.

180-106= 74

The vertex angle is 74.

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