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Nadya [2.5K]
3 years ago
5

Work out surface area of this sphere give your answer in to 1 DP

Mathematics
1 answer:
Svetradugi [14.3K]3 years ago
7 0

Answer:

84.9

Step-by-step explanation:

SA: 4×pi×r^2

the radius is the line (2.6cm)

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A store is having a 20% off sale. If the
Aleks [24]

Answer:

$64.32

Step-by-step explanation:

What you do is:

$53.60×20% → $53.60×0.2

$53.60×0.2=$10.72

$10.72 is the amount of money taken off because of the sale.

Then what you do is:

$53.60+$10.72=_____

53.60

<u>+10.72</u>

64.32

The original price was $64.32.

Hope this helps! Please mark my answer brainliest!

3 0
3 years ago
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If d varies directly as t and d = 20.5 when t=12 find:
Fed [463]

Answer:

B or c but im sure its B

Step-by-step explanation:

just did this answer!

3 0
3 years ago
write about how many rotations does the bike wheel make when the bike travels 1 mile explain or show your reasoning
tatuchka [14]

Answer:

it takes 11,600

Step-by-step explanation:

because a mile is 5,280 feet and both of you feet are moving the wheels and that should be multiplied by 2.

7 0
3 years ago
A group of 5 campers used a total of 12 gallons of water on a camping trip. Each camper used the same amount of water. How many
Gnesinka [82]
(12 gal)/5 = 2.4 gal

Each camper used 2.4 gallons of water.
6 0
3 years ago
I REALLY NEED HELP!!! If someone can answer this quickly and correctly I will give them Brainliest. 1. What is the function rule
Rainbow [258]

Answer:

y= -4x + 3

Step-by-step explanation:

Because the slope is -4/1 which is the same as 4 and 3 is the y-intercept.

Here's the work;

We can just use the first two coordinates which are (0,3) and (1,-1) to get from the x-value 0 to 1 we add 1. and to get from the y-value 3 to -1 we subtract 4. Therefore the slope is -4 and the y- intercept (when x is zero) is 3. Pop that into slope intercept form to get y=-4x +3

Hope that helps and have a great day!

3 0
3 years ago
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