Three dressers are placed side by side. One dresser is

Mathematics

2 answers:

sasho [114]3 years ago

8 0

2 feet 9 inches plus
5 feet 10 inches plus
4 feet 6 inches equals

11 feet 25 inches which converts to
13 feet 1 inch

BlackZzzverrR [31]3 years ago

8 0

First, convert each width into inches by multiplying the feet by 12 and adding the inches. This leaves you with a dresser of 33 inches, 70 inches, and 54 inches. Add these together to get the total length of 157. To convert this back into feet and inches, find the highest multiple of 12 that goes into 157. This can be found by listing all multiples of 12. (12, 24, 36...) The greatest multiple that is less than 157 is 156 (12x13). This gives you 13 feet and a remainder of 1 inch. Otherwise, you can add the feet and add the inches to get 11 feet 25 inches, then find the multiple of 12 that fits into 25 (2x12=24) to get the answer anyway. Either way works just as well as the other, it is just what you prefer. Hope this helps!

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What number is a factor of 16, and prime?

creativ13 [48]

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~PutarPotato

4 0

3 years ago

Read 2 more answers

A batter strikes a baseball. the equation y = -0.005^2 +0.7x + 3.5 models its path, where x is the horizontal distance, in feet,

hram777 [196]

Answer:

(D)144.8 feet

Step-by-step explanation:

Given the equation which models the path of the baseball

$y = -0.005x^2 +0.7x + 3.5$

where x is the horizontal distance, in feet, the ball travels and y is the height, in feet, of the ball.

To determine how far from the batter the ball will land, we determine the distance x at which the height, y=0.

$y = -0.005x^2 +0.7x + 3.5=0$

$-0.005x^2 +0.7x + 3.5=0$

We use the quadratic formula to solve.

In the quadratic equation above, a=-0.005, b=0.7, c=3.5

$x=\dfrac{-b\pm\sqrt{b^2-4ac} }{2a} \\=\dfrac{-0.7\pm\sqrt{0.7^2-4(-0.005*3.5)} }{2*-0.005} \\=\dfrac{-0.7\pm\sqrt{0.49+0.07} }{-0.01}\\=\dfrac{-0.7\pm\sqrt{0.56} }{-0.01}\\x=\dfrac{-0.7+\sqrt{0.56} }{-0.01} \: or\: x=\dfrac{-0.7-\sqrt{0.56} }{-0.01}\\x=-4.83 \: or\: x=144.83$