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3 years ago

Someone please help me on this and show work I need help I’ll give brainliest

Mathematics

1 answer:

irinina [24]3 years ago

8 0

A.

F(10)= (10)^2-3(10)-5
F(10)=100-30-5
F(10)=65

B.

F(-3)=(-3)^2-3(-3)-5
F(-3)=9+9-5
F(-3)=13

C.

G(2)= -6(2)+1
G(2)= -12+1
G(2)=-11

D.

G(10)=-6(10)+1
G(10)= -60+1
G(10)= -59

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3 years ago

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3 years ago

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Answer:

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Step-by-step explanation:

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3 years ago

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3 years ago

How do you find the surface area of this figure?

atroni [7]

Answer:

SA=158cm²

Step-by-step explanation:

To find surface area, you find the area for all the surfaces and add them together. Let's start with the red rectangular prism first.

The top has measurements of 5 and 2. The area of that is 10.

The bottom is the same so it's area is also 10 but we don't want to add it since it's not on the surface.

The side facing us has measurements of 4 and 2, the area is 8.

The side opposite to this is the same so it's area is also 8

Now the right face of this shape is 4 and 4 so 16.

The left face will have the same area. It'll also be 16.

The surface area of the red shape is 10+8+8+16+16= 58

Now the orange shape.

The side facing us is 5 and 3 so area=15

The side opposite to this will have the same area.= 15

The right face is also 5 and 3 so 5x3=15

The opposite face to this will also have an area of 15

Now the top face, it's 5 and 5 = 25. We have to subtract the area covered by the red shape. So 25 - 10 = 15

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The surface area of this shape will be : 15+15+15+15+25=100

Now add the areas of both shapes

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Hope this helps :)

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3 years ago