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motikmotik
3 years ago
7

How do you find the lateral and surface area of a rectangular prism

Mathematics
1 answer:
Blizzard [7]3 years ago
5 0

Answer:

When a prism has its bases facing up and down, the lateral area is the area of the vertical faces. (For a rectangular prism, any pair of opposite faces can be bases.) The lateral area of a right prism can be calculated by multiplying the perimeter of the base by the height of the prism

Step-by-step explanation:

To find the lateral surface area, we will find half of the perimeter of the base and multiply it by the slant height of the side triangles. Each triangle has a slant height.

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Prove the following using a direct proof:
hodyreva [135]

Answer:

Step-by-step explanation:

Prove: That the sum of the squares of 4 consecutive integers is an even integer.

An integer is a any directed number that has no decimal part or indivisible fractional part. Examples are: 4, 100, 0, -20,-100 etc.

Selecting 4 consecutive positive integers: 5, 6, 7, 8. Then;

5^{2} = 25

6^{2} = 36

7^{2} = 49

8^{2} = 64

The sum of the squares = 25 + 36 + 49 + 64

                                       = 174

Also,

Selecting 4 consecutive negative integers: -10, -11, -12, -13. Then;

-10^{2} = 100

-11^{2} = 121

-12^{2} = 144

-13^{2} = 169

The sum of the squares = 100 + 121 + 144 + 169

                                     = 534

Therefore, the sum of the squares of 4 consecutive integers is an even integer.

8 0
3 years ago
122 students choose to attend one of three after school activities: football, tennis or running. There are 66 boys. 46 students
Ierofanga [76]

Answer:

29/61

Step-by-step explanation:

okay, first imma simplify the question a little bit.

122 students; 46 chose football; 18 chose tennis; 28girls + xboys chose running.

okay now let's find the number of students who chose running

122 - 46 - 18 = 58

now, I'll find the probability

P(Running) = 58/122 = 29/61

Topic: Probability

If you like to venture further, feel free to check out my insta (learntionary). It would be best if you could give it a follow. I'll be constantly posting math tips and notes! Thanks!

5 0
3 years ago
What is 8/15 and 2/5 close to 0, 1, 1/2pick one
Vsevolod [243]
1/2 because that's a half and I know this one lol by my heart
5 0
3 years ago
Read 2 more answers
Question 1 of 10
Anastaziya [24]

Answer:

B. 1

Because of the shape you can have only one line of symmetry

7 0
2 years ago
Do you guys know what is 6y-3(4/3y-2)
Rudik [331]
You'd solve it like this
6y-3 (4/3y-2)
6y-4y+6 (use the distributive property and multiply all the numbers inside the parentheses by -3)
2y+6 (add like terms)
That's pretty much it
5 0
3 years ago
Read 2 more answers
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