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satela [25.4K]
3 years ago
6

which student’s first step was incorrect, and why? Amelia’s, because the variable term must be isolated on the left side Luis’s,

because he flipped the inequality sign when he subtracted Shauna’s, because she did not apply the subtraction property of equality properly Clarence’s, because the terms he added together were not like terms
Mathematics
2 answers:
forsale [732]3 years ago
5 0

The formula for a trapezoid relates the area A, the two bases, a and b, and the height, h.

<span>A=<span><span>(<span>a+b</span>)</span>2</span>h</span>

Solve for a.

Anna71 [15]3 years ago
3 0
B. Luis’s, because he flipped the inequality sign when he subtracted
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Solve y 3/2 y equal 9​
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Answer:

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Step-by-step explanation:

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Which expression is equivalent to 144 Superscript three-halves? 216 1,728 RootIndex 3 StartRoot 12 EndRoot RootIndex 3 StartRoot
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Question:

Which expression is equivalent to 144^(3/2)

Answer:

1728

Step-by-step explanation:

The options are not well presented. However, this is the solution to the question.

Given:

144^(3/2)

Required:

Find Equivalent.

We start my making use of the following law of logarithm.

A^(m/n) = (A^m)^1/n

So,

144^(3/2) = (144³)^½

Another law of indices is that

A^½ = √A

So,

144^(3/2) = (144³)^½ = √(144³)

144³ can be expanded as 144 * 144 * 144.

This gives

144^(3/2) = √(144 * 144 * 144)

The square root can then be splitted to

144^(3/2) = √144 * √144 * √144

144^(3/2) = 12 * 12 * 12

144^(3/2) = 1728.

Hence, the equivalent of 144^(3/2) is 1728

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Quadrilateral A has side lengths 6, 9, 9, and 12. Quadrilateral B is a scaled copy of A with its shortest side of length 2. What
dsp73

Answer:

<h2>12</h2>

Step-by-step explanation:

If the Quadrilateral A has side lengths 6, 9, 9, and 12 respectively and Quadrilateral B is a scaled copy of A with its shortest side of length 2, then to determine the scale used, we will find the ratio of the shortest side of quadrilateral A to that of quadrilateral B as shown;

ratio of shortest side

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This means that the quadrilateral B is 3 times smaller than A.

To find the perimeter of quadrilateral B, we will add all the side length of A and divide by 3 to get the perimeter of quadrilateral A by 3 as shown;

Perimeter of quadrilateral B = (Perimeter of quadrilateral A)/3

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Perimeter of quadrilateral B = 36/3

Perimeter of quadrilateral B = 12

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<em> </em>

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Why pay cash?
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