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harina [27]
3 years ago
15

Please help? I have 2 questions. Thank you.

Mathematics
1 answer:
Wittaler [7]3 years ago
7 0
Surface area of a sphere = 4πr² = 4π(15)² = 900π m²

Surface area of a sphere = 4πr² = 4π(10)² = 400π m²
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.?????????????????????????
weqwewe [10]

Step-by-step explanation:

To divide fractions, we have to focus on 4 steps, which are:

1: Change to improper fractions

2: Keep the same

3: Change the sign to multiplication

4: Flip the 2nd fraction in the equation

So, step one:

1/3 / 4/5

Step two:

1/3 / 4/5

Step three:

1/3 x 4/5

Step four:

1/3 x 4/5 = (4 / 15)

4/15 is in simplist for.

Therefore, your answer is 4/15.

Best of Luck to you!!

4 0
3 years ago
Answer this question pls!! (Will give Brainliest)
AnnyKZ [126]

Answer:

D. y = 12.5x + 15

Step-by-step explanation:

Using the values provided in the table, the only equation that would be valid would be the following...

y = 12.5x + 15

That is because if we substitute any value provided in the table for x , this equation will correctly output the y value shown in the table for the attached x-value. For example, in the table 5 nights (x = 5) should have a total cost of 77.5 (y = 77.5)... Therefore, if we substitute 5 for x in the function it should give  us 77.5 which it does.

y = 12.5(5) + 15

y = 62.5 + 15

y = 77.5

3 0
3 years ago
Two consecutive positive integers have a product of 110. What are the integers
White raven [17]
That are 10 and 11
10 * 11 = 110  
8 0
3 years ago
Read 2 more answers
9TH GRADE FUNCTIONS PLEASE HELP
pantera1 [17]

Answer: g(x) is -x² -3

Step-by-step explanation:

First, you know that the parabola is facing downwards, so the x must be negative.

Next, it is 3 units down from the parent graph, which adds that -3.

All of these add up to get your final equation:

g(x) is -x² -3

6 0
3 years ago
How do I figure out 1b?
taurus [48]
300/5= 60
60x4(children)=240
240 seats will be for children and 60 seats for adults.
4 0
3 years ago
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