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Artyom0805 [142]
3 years ago
6

True or false help me please​

Mathematics
1 answer:
svetoff [14.1K]3 years ago
5 0

Answer: False            X+X is not equal to X^2 X can be any number

Step-by-step explanation:

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ABC would be all the same
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The approximate distance between K and L is units. The approximate distance between L and J is units. If you join all three poin
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Answer:

The answer is below

Step-by-step explanation:

The distance between two points A(x₁, y₁) and B(x₂, y₂) on the coordinate plane is given by:

AB=\sqrt{(x_2-x_1)^2+(y_2-y_1)^2} \\

Point J is at (-3, 3), point K is at (4, 3) and point L is at (1, -1). Hence:

The distance between K and L = KL = \sqrt{(-1-3)^2+(1-4)^2} =5\ units

The distance between J and L = JL = \sqrt{(-1-3)^2+(1-(-3))^2} =4\sqrt{2} \ units

The distance between K and J = JK = \sqrt{(3-3)^2+(-3-4)^2} =7\ units

Therefore, the perimeter of triangle JKL is:

Perimeter = KL + JL + JK = 5 + 4√2 + 7 = 17.66 units

8 0
3 years ago
What’s the correct answer? I will mark as brainlest
adelina 88 [10]

Answer:

Dear your answer is 9

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3 years ago
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The length of the rectangular prism shown below is three times the width. The height and the width are the same. If the volume o
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Answer: the length of the prism is 9cm

Step-by-step explanation:

The formula for determining the volume of a rectangular prism is expressed as

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Volume = LWH

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L = 3W

The height and the width are the same. This means that

H = W

Therefore,

Volume = 3W × × W × W = 3W³

If the volume of the prism is 81 cubic centimeters, it means that

81 = 3W³

Dividing through by 3, it becomes

81/3 = 3W³/3

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Taking cube root of both sides, it becomes

W = 3

Therefore, the the length of the prism would be

L = 3W = 3 × 3

L = 9 cm

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I believe it would be D
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