2 years ago

A solid metal sphere with diameter 6cm needs to be covered with a protective

Mathematics

1 answer:

lidiya [134]2 years ago

8 0

Answer:

It will cost: £28.28

Step-by-step explanation:

Area of sphere = 4 x π x r2

Area of Circle = 4 x π x 3^2 = 113.097 (radius is half of diameter)

113.097 / 0.25 = 28.28

You might be interested in

The length of a rectangle is 5cm more than its width. The perimeter of the rectangle is 46cm. Find the length and width of the r

strojnjashka [21]

Answer:

length= x+5

width= x

perimeter= 46 cm

2(x+5)+2x=46

2x+10+2x=46

4x=36

x= 9

hope this helps ! :)

7 0

2 years ago

Find the area of the circle. Use 3.14 for it. O d = 10 cm A = [?] cm2 A=Tr2

vazorg [7]

Answer:

i wish i could help. im so bad at math

Step-by-step explanation: good luck

3 0

2 years ago

In a survey of 600 students, 80% said they liked pop music. How many students liked pop music?

Licemer1 [7]

Answer:

480 students

Step-by-step explanation:

600 x .80

4 0

2 years ago

Need Help ASAP

iren2701 [21]

The sum of the interior angles of a triangle is 180 degrees

2x-9+3x+x+3=180
6x-6=180
6x=186
x=31

A=2(31)-9
A=62-9
A=53

8 0

2 years ago

5x and 7x? are like terms True Or False

Serjik [45]

Answer:

True

Step-by-step explanation:

8 0

2 years ago

Read 2 more answers