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kifflom [539]
3 years ago
6

How much paint would be needed to cover a sphere with a diameter of 3 centimeter

Mathematics
1 answer:
Gelneren [198K]3 years ago
4 0

Answer:

Enough to cove 28.27 cm^2  to the nearest hundredth.

Step-by-step explanation:

The radius of the sphere = 1/2 * diameter = 1.5 cm.

The surface area = 4 π r^2

= 4 * π * 1.5^2

= 28.27 cm^2.

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Write this number in expanded form 382,706
77julia77 [94]

Answer:

Expanded form : 300,000 +80,000 +2000 +700 +6.

Step-by-step explanation:

Given  : 382,706.

To find : Write this number in expanded form.

Solution : We have given  382,706.

We can  see 3 is at hundred thousand place = 300,000

8 is at ten thousand place = 80,000.

2 is at thousand place  = 2000.

7 is at hundred place  = 700.

6 is at ones place = 6

Then

Expanded form : 300,000 +80,000 +2000 +700 +6.

Therefore, Expanded form : 300,000 +80,000 +2000 +700 +6.

5 0
3 years ago
Read 2 more answers
Zebras migrate in a circle with a round trip of about 300 miles. They travel at 64 km/h. How many hours does it take zebra to do
Tresset [83]

Answer:

7.5 hours (7 hours and 30 minutes)

Step-by-step explanation:

ok Let's start with 64km/h.

1.6 km=1 mile,

64÷1.6=40miles

so 64km/h changes into 40miles/hour.

Zebras's round trip =300miles,

300/40=7.5

so answer is 7.5 hours.

8 0
3 years ago
Logan and Jack collected 180 aluminium cans from the park. Jack collected twice as many aluminum cans as Logan. How many alumini
drek231 [11]
Answer
Logan collected= 180
Jack collecte twice as Logan =(180*2) = 360
Jack has 360 cans
6 0
3 years ago
A rectangle is 8 feet long.its width is represented by Seven plus x feet what expression
babunello [35]
Hi there! The answer is 56 + 8x square feet

The length of a rectangle is 8 feet.
The width of that rectangle is 7 + x feet.

We can find the area of the rectangle by using the formula A = L x W
(Area = Length x Width)

Filling in this formula gives us:
A = 8 (7 + x) = 56 + 8x square feet
3 0
4 years ago
What is the answer A B C or D
Vanyuwa [196]

To solve this question, use the Cube surface area formula

Area = 6a^2 in which a = edge.

edge = 8.5

Area = 6(8.5)²

Simplify. Follow PEMDAS

Area = 6(72.25)

Area = 433.5

(C) 433.5 in² is your answer

hope this helps

3 0
4 years ago
Read 2 more answers
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