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Alborosie
2 years ago
8

What is the surface area of the hemishpere? 32 m

Mathematics
2 answers:
yKpoI14uk [10]2 years ago
5 0

Answer:

The surface area of a sphere of radius r is 4 π r2. Half of this is 2 π r2. If this is what is meant by the surface area of a hemisphere then 2 π r2 = 1062.

Step-by-step explanation:

Darya [45]2 years ago
4 0

Answer:

K = (2πr2) + (πr2) = 3πr

Step-by-step explanation:

K = (2πr2) + (πr2) = 3πr Heres something that might help.

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The triangular face of the prism shown has an interior angle with a measure of 75º and an exterior angle with a measure of 110°
coldgirl [10]

Answer:

A 35°

Step-by-step explanation:

180°-110°=70°

180°-70°-75°=35°

5 0
3 years ago
During a period of 30 working days, Deborah was late 80% of the time. How many days was she late?
erik [133]
Fairly straightforward question. She works 30 days and is late 80% or 0.8
We can model our equation
Num days late = late percentage * num working days
Basically fine portion of working days that she was late.

Num days late = 0.8 * 30=24

So Deborah was late 24 out of 30 working days. Would appreciate a brainliest
8 0
2 years ago
If you have 24 months to save $4,220 how much would you have to save each month
gulaghasi [49]

Answer:

$175.83

Step-by-step explanation:

All you have to do is 4220 divided by 24 = $175.83

4 0
3 years ago
Find the measure of the indicated angle to the nearest degree​
sweet-ann [11.9K]

Answer:

Im pretty sure its 45 degrees

Step-by-step explanation:

Its an isosceles triangle so the upper 2 angles are Equal and a triangles angles adds up to 180 degrees, so if we have a 90 degree angle (the square) there's only 90 degrees left, so if you divide the 90 degrees by the remaining 2 Equal angles you get 45.

5 0
2 years ago
Does anyone know what k+2x=3 Does anyone know the answer?
alexira [117]

Answer:

You can only be able to solve two variables, k and x based on what you input as your question

k= -2x+3

x= (3-k)/2

5 0
3 years ago
Read 2 more answers
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