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3 years ago

14

What is the percent of change from 200,000 to 60,000

2 answers:

Dmitrij [34]3 years ago

8 0

Answer:

70%

Step-by-step explanation:

True [87]3 years ago

4 0

Answer:

70%

Step-by-step explanation:

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if the diagonals of a quadrilateral biscects each other, then the quadrilateral is a parallelogram. true or false

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true

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In the school cafeteria there are 20 seats at each table.

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12.5

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A triangle with sides of lengths 9,22 and 24 is a right triangle True or false

Dmitry [639]

Answer:

False

Step-by-step explanation:

If the triangle is a right triangle, we can use the Pythagorean theorem

a^2 + b^2 = c^2

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A contractor is building a fenced-in area at a daycare. The area will be rectangular with the length of its base equal to half t

AlladinOne [14]

Answer:

The length of fencing will be $300\ ft$

Step-by-step explanation:

Step 1

Find the dimensions of the rectangle

we know that

The area of a rectangle is equal to

$A=bh$

In this problem we have

$A=5,000\ ft^{2}$

so

$5,000=bh$ -----> equation A

$b=\frac{h}{2}$ -----> equation B

Substitute equation B in equation A

$5,000=(\frac{h}{2})h$

$10,000=h^{2}$

square root both sides

$h=100\ ft$

Find the value of b

$b=\frac{h}{2}$ -----> $b=\frac{100}{2}=50\ ft$

step 2

Find the length of fencing

The perimeter of a rectangle is equal to

$P=2(b+h)$

we have

$h=100\ ft$

$b=50\ ft$

substitute

$P=2(50+100)=300\ ft$

6 0

3 years ago