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Hoochie [10]
3 years ago
10

The four corners of a rectangle at the points (-3,-4), (5,-10), (-3,-10), and (5,-4) on a coordinate plane. How many square unit

s is the area of the rectangle?

Mathematics
1 answer:
Grace [21]3 years ago
8 0
Check the picture below, you can pretty much count the units off the grid for the length and width.

recall area = length * width.

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Answer:

18/28

Step-by-step explanation:

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Kylie explained that (negative 4 x 9) squared will result in a difference of squares because (negative 4 x 9) squared = (negativ
JulijaS [17]

A perfect square trinomial is the result in algebraic form which is obtained by solving the squared binomial expression. Kylie did not understand that this is a perfect square trinomial and she did not determine the product correctly. Thus the option C is the correct option.

Given information-

The expression for the given problem is,

(-4x+9)^2

<h3>Perfect square trinomial</h3>

A perfect square trinomial is the result in algebraic form which is obtained by solving the squared binomial expression.

The perfect square trinomial can be given as,

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The given expression can be solved as,

(-4x+9)^2=(-4x+9)\times(-4x+9)\\(-4x+9)^2=-4x(-4x+9)+9(-4x+9)\\(-4x+9)^2=16x^2-36x-36x+81\\(-4x+9)^2=16x^2-72x+81

Hence Kylie did not understand that this is a perfect square trinomial and she did not determine the product correctly. Thus the option C is the correct option.

Learn more about the perfect square trinomial here;

brainly.com/question/88561

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2 years ago
There are $1.95 worth of nickels and quarters in a piggy bank there are three more nickels than quarters how many of each are in
Gennadij [26K]

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6 quarters and 9 nickels

Step-by-step explanation:

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pishuonlain [190]
If A varies directly with z, and A is 30 and z is 5, then when z is 1, A is 6.
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Then, when z is 1, A is 6
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z: 1 × 9 = 9
A: 6 × 9 = 54

A is 54
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3 years ago
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