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trapecia [35]
3 years ago
10

A sphere has radius of 42 m. If the radius is divided by 6, what is the effect on the surface area? HELP ASAP!

Mathematics
1 answer:
Tatiana [17]3 years ago
7 0

A sphere with radius r has surface area 4\pi r^2. Divide the radius by 6 and you get a surface area of 4\pi\left(\dfrac r6\right)^2=\dfrac4{36}\pi r^2, so that the final surface area is divided by 36.

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A:b 1:5 a:c 2:1 how many times is b bigger than c ?
Ronch [10]

Answer:

b is 10 times greater

Step-by-step explanation:

If we multiply the first ratio by 2/2, we get 2/10. Since b=10 and c=1, b is 10 times greater.

3 0
2 years ago
Make ‘w’ the subject.
Romashka-Z-Leto [24]

Answer:

w = (cv +dy) / (cb - ad)

Step-by-step explanation:

Multiply through by c

aw + y = c(bw + v) / d                Multiply by d

d(aw + y) = c(bw + v)                  Remove the brackets

daw + dy = cbw + cv                  Subtract dy from both sides.

daw +dy - dy = cbw + cv -dy

daw = cbw + cv - dy                   Subtract cbw from both sides

daw - cbw = cbw - cbw + cv - dy

daw - cbw = cv -  dy                  Isolate W on the left.

w(da - cb) =  cv - dy                   Divide by cb - ad on both sides.

w = (cv - dy) / (ad - bc)                Answer


6 0
3 years ago
Anyone can help me I would appreciate it
Kisachek [45]

Answer:

This would be shifted down 8 and made 3 times less steep.

Step-by-step explanation:

In order to determine these transformations, we first need to compare the constants at the end. This will determine the up or downward shift. Since the f(x) is 5 and the g(x) is -3, we know that it went down 8.

Next we compare the coefficients of x. Since the f(x) is 6 and the g(x) is 2, we know that it is 3 times less steep.

7 0
3 years ago
I’ve been stuck on this question for an hour? I need help ASAP! Thanks! What is the total surface area of the trapezoidal prism?
CaHeK987 [17]

Answer:

262mmsq

Step-by-step explanation:

7 0
3 years ago
How do u do this step by step ? -8 ÷ 3.2​
Ad libitum [116K]

Answer:

the answer is -2.5

Step-by-step explanation:

6 0
2 years ago
Read 2 more answers
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