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3 years ago

On the set of axes below, Geoff drew rectangle ABCD. He will transform the rectangle by

Mathematics

1 answer:

Georgia [21]3 years ago

3 0

Answer:

C, exactly 28 square units

Step-by-step explanation:

This is because it's a translation, not a transformation. The size won't change, and therefore the area won't change. Just the position.

Since the area is 28 and it doesn't change, the answer is C.

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What is the corresponding growth decay factor of the given annual rate of +200%

Alina [70]

2000 should be it I'm pretty sure

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3 years ago

Is 69/100 and 6/10 equivalent fractions

zubka84 [21]

No. If you divide 69 by 100 you would get 0.69. If you divided 6 by 10 you would get 0.6. Therefore 69/100 and 6/10 is not equivalent.

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2 years ago

De cuántas formas pueden mezclarse los siete colores del arco iris tomándolos de tres en tres?

Tanzania [10]

Answer:

Step-by-step explanation:

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2 years ago

A rectangular parking lot must have a perimeter of 440 feet and an area of at least 8000 square feet. Describe the possible leng

tangare [24]

Answer:

The possible parking lengths are 45.96 feet and 174.031 feet

Step-by-step explanation:

Let x be the length of rectangular plot and y be the breadth of rectangular plot

A rectangular parking lot must have a perimeter of 440 feet

Perimeter of rectangular plot =2(l+b)=2(x+y)=440

2(x+y)=440

x+y=220

y=220-x

We are also given that an area of at least 8000 square feet.

So, $xy \leq 8000$

So, $x(220-x) \leq 8000$

$220x-x^2 \leq 8000$

So, $220x-x^2 = 8000\\-x^2+220x-8000=0$

General quadratic equation : $ax^2+bx+c=0$

Formula : $x=\frac{-b \pm \sqrt{b^2-4ac}}{2a}$

$x=\frac{-220 \pm \sqrt{220^2-4(-1)(-8000)}}{2(-1)}\\x=\frac{-220 + \sqrt{220^2-4(-1)(-8000)}}{2(-1)} , \frac{-220 - \sqrt{220^2-4(-1)(-8000)}}{2(-1)}\\x=45.96,174.031$

So, The possible parking lengths are 45.96 feet and 174.031 feet

3 0

3 years ago

A park is shaped like a trapezoid. It has an area of 7.2 square miles. One base is 1.2 miles, and the other base is 2.4 miles lo

WINSTONCH [101]

7.2÷(1.2+2.4)=2
2÷.5=4
So the height equals 4

6 0

3 years ago