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finlep [7]
3 years ago
12

If you double the radius of a sphere. what happens to the surface area? Write equations to prove your answer

Mathematics
1 answer:
ValentinkaMS [17]3 years ago
6 0

Answer:

The surface area is multiplied by 4.

Step-by-step explanation:

The surface area is a squared value, so if the radius is multiplied by 2, the surface area is multiplied by 2 squared, or in other words, 4. I love geometry. I'm sure it is correct.

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There are eight furlongs in a mile and two weeks in a fortnight. if i travel 2800 furlongs in a fortnight, how many miles per da
yaroslaw [1]
The answer is 25 miles per day.

one mile = 8 furlongs
fortnight = 2 weeks = 14 days
convert furlongs to miles;
2800/8 = 350 miles
it means you travel 350 miles in 14 days
miles per day = 350/14 = 25
Thus, you travel 25 miles per day.
3 0
3 years ago
Which of the following does not represent a relation that is a function?
OleMash [197]

Answer:

D)

The equation of the relation is in the form y = mx or y = mx + b.

Step-by-step explanation:

4 0
2 years ago
What is the greatest common factor of 6a, 8a^2, and 14?
Sergio [31]

Answer:

8a is the common favor of 6a

Step-by-step explanation:

hope this helps!!

8 0
3 years ago
Read 2 more answers
A triangle ABC with vertices A(6,8) B(6,12) C(10,12) is rotated to 180. What are the coordinates of B
hichkok12 [17]
Assuming rotation is about origin, then
R180:  (x,y)->(-x,-y)

So
A(6,8)->A'(-6,-8)
B(6,12)->B'(-6,-12)
C(10,12)->C'(-10,-12)
8 0
3 years ago
The ratio of the three angles of a triangle is 2:4:6. What is the measure of the<br> SMALLEST angle?
kirill [66]
The measures of the angles are 30, 60 and 90 degrees.
Explanation:
I assume the question should read "the measures of the ANGLES of the triangle are in the ratio 2:4:6.
If the angles are in the proportion 2:4:6, the measures of the angles have the same scale factor
x
. And, the sum of the measures of the angles of a triangle is
180
.
⇒
2
x
+
4
x
+
6
x
=
180

12
x
=
180

12
x
12
=
180
12

x
=
15

The measures of the angles are:
2
x
=
2
(
15
)
=
30

4
x
=
4
(
15
)
=
60

6
x
=
6
(
15
)
=
90
7 0
3 years ago
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