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Yuki888 [10]
3 years ago
12

The axis of the sphere below is 16 units in length. What is the surface area of the sphere?.

Mathematics
2 answers:
coldgirl [10]3 years ago
8 0

Answer:

256\pi units²

Step-by-step explanation:

~apex

Nataly_w [17]3 years ago
5 0
There are enough information's already given in the question. Based on those information's that answer can be easily deduced.
Radius of the sphere = 8 units
Then
Surface area of the sphere = 4 *pi * r^2
                                            = 4 * pi * (8)^2
                                            = 4 * pi * 64
                                            = 256pi
I hope that this answer has come to your help.
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max2010maxim [7]

Answer:

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Step-by-step explanation:

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5 0
2 years ago
Evaluat the exression when <br> X is equal to3<br><br> X+1
Gemiola [76]
Just substitute 3 for x, and it’s 3+1=4. Your answer is 4!
4 0
3 years ago
A total of 30 percent of the geese included in a certain migration study were male. If some of the geese migrated during the stu
Serggg [28]
<h2>Answer:</h2>

<em><u>(B). </u></em>\frac{7}{12}

<h2>Step-by-step explanation:</h2>

In the question,

Let the total number of geese be = 100x

Number of Male geese = 30% = 30x

Number of Female Geese = 70x

Let us say 'kx' geese migrated from these geese.

Number of migrated Male geese = 20% of kx = kx/5

Number of migrated Female geese = 4kx/5

So,

<u>Migration rate of Male geese</u> is given by,

\frac{(\frac{kx}{5})}{30x}

<u>Migration rate of Female geese</u> is given by,

\frac{(\frac{4kx}{5})}{70x}

So,

The ratio of Migration rate of Male geese to that of Female geese is given by,

\frac{\left[\frac{(\frac{kx}{5})}{30x}\right]}{\left[\frac{(\frac{4kx}{5})}{70x}\right]}=\frac{350}{4\times 150}=\frac{7}{12}

Therefore, the<em><u> ratio of the rate of migration of Male geese to that of Female geese is,</u></em>

\frac{7}{12}

<em><u>Hence, the correct option is (B).</u></em>

<em><u></u></em>

6 0
3 years ago
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Answer:

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Step-by-step explanation:

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3 0
2 years ago
A gold mine has two​ elevators, one for equipment and another for the miners. The equipment elevator descends 4 feet per second.
Ad libitum [116K]

Let d_m,\ d_e represent the depth of the miner and equipments elevator, respectively. We know that equipment elevator descends with a velocity of v_e = 4 feet per second, and the miners one descends with a velocity of v_m = 15 feet per second.

If we start counting time (t=0) when the equipment elevator begins to descend, after t seconds its depth will be

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On the other hand, the miner elevator follows the same rule, but we have to use its velocity, and remember that it starts with a delay of thirty seconds:

d_m(t) = v_m(t-30) = 15(t - 30)

Now, we have to wait the 30 seconds of delay, and then another 14 seconds. This means that we want to know the positions of both elevators when t = 44. Let's plug this value into the two equations:

d_e(44) = 4\cdot 44 = 176

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7 0
3 years ago
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