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Pavel [41]
3 years ago
7

What is the surface area of a sphere with a radius of 7 feet? (use 3.14 for pie)

Mathematics
1 answer:
scoundrel [369]3 years ago
3 0
The surface area of the sphere is 6,770 sq.ft
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Find the area of the circle leave your answer in terms of pi with diameter of 4 yd
elena-s [515]

Answer:

4pi

Step-by-step explanation:

because the formula is A=r^2xpi

3 0
3 years ago
If gas costs $2.19 per gallon, how many whole gallons of gas could you buy with $17.00? (Make sure to answer with a whole number
ankoles [38]

Answer:

2.19*17.00

=37.23

=$37

Step-by-step explanation:

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2 years ago
Neptune’s diameter is a little less than 5 x 10 with a power of 7 meters.how is this number expressed in standard notation
UNO [17]

Answer:

So scientific notation would be 5 x 10 ^7, and standard would be 50,000,000

Step-by-step explanation:

The 7 means you move the decimal to the right 7 times, meaning you add 7 zeros.

4 0
3 years ago
A moterboat that ravels with a speen of 20km/hour in still water has traveld 20 km against the current and 180km with the curren
Ira Lisetskai [31]

Answer:

10 kph

Step-by-step explanation:

Find the speed of the current of the river.

20/(20 - c) + 180/(20 + c) = 8

20(20 + c) + 180(20 - c) = 8(400 - c^2)

8c^2 - 160c  + 800 = 0

8(c^2 - 20c + 100) = 0

8(c - 10)^2 = 0

c = 10

The speed of the current of the river is 10 km/hour.

5 0
3 years ago
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What divisor is represented by the synthetic division below? A vertical line and horizontal line combine to make a L shape. Ther
g100num [7]

One of the ways of dividing polynomials is by synthetic division

The divisor of the synthetic division is x + 5

<h3>How to determine the divisor of the division</h3>

From the question, we understand that:

Entry -5 is on the outside to the left of the shape

The entry represents the zero of the divisor.

Next, we set this entry to the variable (assume the variable is x)

So, we have:

x = -5

Add 5 to both sides

x + 5= 0

Hence, the divisor of the synthetic division is x + 5

Read more about synthetic division at:

brainly.com/question/24662212

8 0
2 years ago
Read 2 more answers
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