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cupoosta [38]
2 years ago
6

. Evaluate each of the following without using a calculator. Show all steps clearly. - 5^2​

Mathematics
1 answer:
Verizon [17]2 years ago
7 0

Answer:

25

Step-by-step explanation:

-5^2 expanded is  -5 x -5

- two negatives equal a positive

-visual representation of 5 x 5

O O O O O

O O O O O

O O O O O

O O O O O

O O O O O

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A) distributive is where it distributes a number through a set of parenthesis.
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3 years ago
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The number of subsets that can be created from the set {1, 2, 3} is
omeli [17]
No of substes is given by 2^n where n is the no of elements.
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3 0
3 years ago
Find the surface area of the right triangular prism shown ​
Inessa05 [86]

The surface area of the triangular prism is 144 cm²

<u>Explanation:</u>

Given:

Base of the triangle = 4

Height of the triangle = 3

Hypotenuse of the triangle = 5

Length of the prism = 11

Surface area of the rectangular prism = ?

Surface area, A = ah+bh+ch+\frac{1}{2} \sqrt{-a^4 + 2(ab)^2 + 2(ac)^2 - b^4 + 2(bc)^2 - c^4}

On substituting the value, we get:

A = 4 X 11+ 3X11+5X11+\frac{1}{2} \sqrt{-(4)^2 + 2(4X3)^2 + 2(4X5)^2 - 3^4 + 2(3X5)^2-5^4} \\\\A = 144 cm^2

Therefore, the surface area of the triangular prism is 144 cm²

6 0
3 years ago
Alex's dog weighs 5 pounds. About how
Rina8888 [55]

Answer:

2270 grams

Step-by-step explanation:

If the dog is 5 pounds and 1 pound=454 grams, do 454x5=2270

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On the first math test keiko answered
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Were are the answer chat ?
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