MATHEMATICS MIDDLE SCHOOL

Please Help: Determine which ordered pair is NOT a solution of y = -5x - 4A) (10, -52)
B) (7, -39)
C) (-7, 31)
D) (8, -44)

Answers

Answer 1
Answer: It's A.
All you need to do is plug in the X from the ordered pair, then solve.

y=-5x-4
y=-5(10)-4
y=-50-4
y=-54
Which is NOT -52, so the answer is indeed A

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Height in feet of 74 inches

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12 inches=1 foot
There are 72 or 12 x 6 inches in a foot which means 6 feet.
There are 2 inches remaining so there are 6 2/12 or 6 1/6 ft in 74 inches. 

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Answers

8 X 2 = 16Or 4 X 4 = 16

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Surface area of a right prism can be calculated using this formula:
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Why is 3 to the power 0 = 1

Answers

When we raise something to a power, it really justs means we are multiplying it by itself. 3^2 (3 to the power of 2) means that we are mutliplying 3 by itself: 3•3 = 9 or 3^2 = 9 (there are two 3's) 

However, when we rasie something to the 0 power, it equals 1. That is because we are multiplying it by itself 0 times. We are not multiplying it by zero, we are effectively doing nothing at all. 3^0 = 1

The lengths of three line segments are 4 centimeters, 5 centimeters, and 9 centimeters. Using this information, triangles can be constructed.

Answers

Answer:

No triangles can be constructed

Step-by-step explanation:

we know that

The Triangle Inequality Theorem, states that the sum of the lengths of any two sides of a triangle is greater than the length of the third side

so

In this problem

4+5>9------> is not true

therefore

No triangles can be constructed with the given side lengths

Well, technically yes. One can, but it would be a so-called "degenerate triangle".

-- The 4-cm and 5-cm sides are just exactly long enough to connect between the ends of the 9-cm side.  So they lie flat on top of it.

-- The angles at each end of the 9-cm side are both zero.

-- The angle at the vertex where the 4-cm side meets the 5-cm side is 180 degrees.

-- The sum of the angles in the triangle is 180 degrees.

-- The altitude of the triangle is zero.

-- The area of the triangle is zero.

-- When you look at the triangle, all you see is a 9-cm line segment.  The 4-cm and 5-cm line segments lie on top of it, so you don't see them.

-- You would say "There's no triangle there.".

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