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2 years ago

7

Elijah and Riley are playing a board game. Elijah chooses the dragon for his game piece, and Riley chooses the cat for hers. The

dragon is about 1 2 inch tall, and the cat is about 7 8 inch tall. How much taller is the cat than the dragon?

1 answer:

IgorLugansk [536]2 years ago

5 0

Answer: 3/8

Step-by-step explanation: 7/8 - 1/2= (7*2)-(1*8)

--------------- = 6/16 6 divided by 2 and then 16 divided by 2= 3/8

^8*2

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Ne4ueva [31]

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Area = 300 square feet

m_a_m_a [10]

Answer:

$Length=24.32$ feet

$width=12.32$ feet

Step-by-step explanation:

Let x be the width of a rectangle

Let l be the length of a rectangle

Let A be the area of rectangle

Given.

Length must be 12 feet longer than width

therefore

$Length=12+w$

$l=12+w$

Area of rectangle

$A=300$

We know that area of rectangle is

$A=l\times w$ ---------------------(1)

put all known values in equation 1

$300=(12+x)\times x$

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Find roots by this formula

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

$=\frac{-12\pm\sqrt{12^{2}-4(1)(-300)}}{2(1)}$

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$x=-6+4\sqrt{21} \\x=-6-4\sqrt{21}$

$x=12.32\\x=-24.32$

check both value in equation 1

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$A=(12+12.32)\times 12.32$

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$x=12.32$ is satisfy the equation

So The length of rectangle $l=12+12.32$ =24.32 feet

And width is 12.32 feet

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2 years ago

-3x + 7 = -2 solve for x

zavuch27 [327]

Answer:

3

Step-by-step explanation:

subtract 7 from both sides. divide both sides by -3

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tatyana61 [14]

Answer:

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2 years ago