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Andreas93 [3]
3 years ago
15

What is the sum of the digits of all 2-digit numbers from 10-99?

Mathematics
2 answers:
IRISSAK [1]3 years ago
7 0
Huh, well the sum is just adding the numbers together, so the answer is 4905.
Lesechka [4]3 years ago
3 0
This took forever to do but 176879
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Describe the dimensions of two different prisms that each have a volume of 2400 cubic centimeters using work
kirza4 [7]

Answer:

Step-by-step explanation:

Alright, lets get started.

We have given the volume of a prism that is 2400 cubic centimeters.

we have not given which type of prism it is, so we are taking it as a rectangular prism.

The formula of volume of rectangular prism is :

Volume = l*w*h

Where l is length of base

w is width of base

h is height of prism

So,  2400=l*w*h

So, if we factor 2400 in two different manners, we could have two different dimensions of this prism having same volume that is 2400.

So, our first factor would be :

2400=20*20*6

Means the prism has base of 20 and 20 centimeters and height of 6 centimeters.

Our second factor would be :

2400=40*30*2

Means the prism has base of lenght 40 and width 30 and its height is 2 centimeters.

Hence we have two dimensions of prism, 20  20  6  and another one is 40  30  2.    :  Answer

Hope it will help :)


3 0
3 years ago
Help me please urgent
motikmotik

Answer:

option B, option D

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7 0
3 years ago
Which of these constructions is impossible using only a compass and straightedge?
Kay [80]

Answer:

The correct answer is D. Trisecting any angle

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Can you solve this. I have waste 60 pts on this.
Harman [31]

Answer:

11

Step-by-step explanation:

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7. A rectangular lot is entirely enclosed by a fence.
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Step-by-step explanation:

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