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Marysya12 [62]
2 years ago
11

Please help me with this ASAP

Mathematics
1 answer:
Digiron [165]2 years ago
4 0

Answer:

270.00 divided by 32 = about $8.44

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Please help.<br> Algebra.
guapka [62]
The first one is d and the second is b!! also i recommend downloading mathpapa it will really help u :D
5 0
3 years ago
Read 2 more answers
The difference between total surface area and curved surface area of a hemisphere is 154 cm^2, find it's volume.​
OLga [1]

Answer:

Surface area of a sphere=4πr

2

=154cm

2

⇒4×

7

22

r

2

=154cm

2

⇒r

2

=

4

154

×

22

7

⇒r

2

=

4

49

⇒r=

4

49

∴r=

2

7

=3.5cm

Volume of the sphere=

3

4

πr

3

=

3

4

×

7

22

×(3.5)

3

=

21

88

×42.875‬=179.67cm

3

4 0
2 years ago
Find the volume and surface area of this composite figure.
Mashcka [7]

Answer:

The total volume is 33.6 + 107.52 = 141.12

The total surface area is 52 + 22.4 + 76.8 + 26.88 = 178.08

Step-by-step explanation:

Top prism:

To find the volume of the top prism, multiply the area of the base by the height. This is 1/2 times width times height times length.

V =1/2 l*w*h =1/2* 3*2.8*8 = 33.6

To find the surface area of a prism, find the area of the triangular base and the area of each rectangular side.

Area of the base is A = 1/2 * b*h = 1/2 * 3 * 8 = 12. Since there are 2 bases, the area is 24.

Area of the rectangular side is A = b*h = 2.8*5 = 14. Since there are two, the area is 2*14 = 42.

The surface area of the prism is 24 + 28 = 52.

Bottom prism:

To find the volume of the bottom prism, multiply the width times the height times the length.

V = l*w*h = 8*2.8*4.8 = 107.52

To find the surface area of the bottom prism, find the area of the base and each side of the house.

A = 8*2.8 = 22.4

A = 8*4.8 = 38.4 which occurs twice so it has a total area of 76.8

A = 2.8*4.8 = 13.44 which occurs twice so it has an area of 26.88.

The total volume is 33.6 + 107.52 = 141.12

The total surface area is 52 + 22.4 + 76.8 + 26.88 = 178.08

4 0
3 years ago
mark’s cat weighs 9 lbs 4 oz now. last year his cat weighed 8 lbs 10 oz. how much more does mark’s cat weigh now
Jobisdone [24]
Subtract 9.4 by 8.10, which will give you a 1.3 oz difference. 
8 0
3 years ago
I need a walk through on how to solve this problem.
rusak2 [61]
First find the area of the rectangle.

Area of Rectangle= Lenght×Width
Area of Rectangle=10×5
Area of Rectangle =50cm^2

Then you find the area of the triangle.

Area of Triangle= Length×Height
Area of Triangle=8×5
Area of Triangle=40cm^2

Add the two areas to find the area of the whole figure.

50 + 40 = 90cm^2
4 0
2 years ago
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