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solmaris [256]
3 years ago
12

Find the surface area of the regular pyramid.

Mathematics
1 answer:
horsena [70]3 years ago
4 0

Step-by-step explanation:

13+5+5+4.3

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If you drive at 65 MPH for 4 hours. Then you drive at 55 MPH for 2 hours, how many miles did you drive?
zalisa [80]
65 times 4 equals 260, and then 55 times 2 equals 110. So you would add them together and you would get 370. So, you have traveled 370 miles.

Hope this helps! Good luck!
3 0
3 years ago
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Calculate the approximate area of the shape to the nearest cm2.
emmasim [6.3K]

This is very simple. So you use two formulas:

Rectangle: Length • Width

Semicircle: Area = \frac{\pi r^2}{2}

With that, you do 0.8 ÷ 2 = 0.4 because we will be using radius. When solved, you get 0.2512... But for this problem, I will be rounding everything to the nearest hundredths.

Area of semicircle: ≈ 0.25

Now we solve for the rectangle. That is very easy. Just multiply 0.75 • 0.8 and you get 0.6

For this problem, I'm not sure why they make you round to the nearest centimeter, but if you do, you get 1 cm. Otherwise,

Round to nearest tenth: 0.9

Round to nearest hundredths: 0.85

3 0
3 years ago
Consider this cone. a cone. point a is the vertex, b is the height, c is the radius, and d is the diameter. identify the parts o
Nikolay [14]
  • The that indicates the height is AB
  • The letter that indicates the radius is CB
  • The letter indicates the diameter is CD
  • The letter indicates the vertex is A

<h3>What is a cone ?</h3>

A cone can be regarded as a three-dimensional shape which has a vertex at the top of it.

Considering a cone as described in the question, we could see that the distance from point A to B will gives us the height which is the vertical length.

Therefore, Vertex is at the top of the cone which is point A.

Learn more about cone at:

brainly.com/question/15946689

#SPJ4

8 0
2 years ago
Multiply (-1/3)(1/4)
ira [324]

Answer:

(-1/3 )(1/4)=(-1/12)

Step-by-step explanation:

(-1/3 )(1/4)

For fraction multiplication, multiply the numerators and then multiply the denominators to get

(-1/3 )(1/4)=(-1/12)

This fraction cannot be reduced.

Therefore:

(-1/3 )(1/4)=(-1/12)

6 0
3 years ago
I need help on 14,15,16 please help! this is urgent! i’ll give brainlist<br> show work too please!
Rzqust [24]

Answer:

I help u after. my online classing

3 0
3 years ago
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