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Andreyy89
4 years ago
6

Tina wants to install a square hot tub in her backyard.The backyard is 10 feet by 5o feet,and the hot tub will be 8 feet by 8 fe

et .what is the area of the backyard that will not be covered the hot tub
Mathematics
1 answer:
gizmo_the_mogwai [7]4 years ago
5 0

Answer:

436 feet will not be covered by the hot tub.

Step-by-step explanation:

If the backyard is 10 feet by 50 feet (I am assuming that you meant 50, not 5o), then you would use the area formula.

A = L * W             Area equals length times width

A = 10 * 50

A = 500 ft

Now let's find the area of the hot tub

A = L * W

A = 8 * 8

A = 64 ft

This means 64 feet of the backyard will be covered by the hot tub, but you must find the area <u>NOT</u> covered. To do this, subtract the two areas.

500 -- 64 = 436 ft

This means 436 feet of Tina's backyard will not be covered by the hottub.

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Answer:

\boxed{\textrm{B)}\qquad y>4}.

Step-by-step explanation:

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4 years ago
A bag contains white marbles and blue marbles, 79 in total. the number of white marbles is 6 less than 4 times the number of blu
Annette [7]
Let x be the number of white marbles and y be the number of blue marbles. 
So, x+y=79
Also, x = 4y-6 since "<span>the number of white marbles is 6 less than 4 times the number of blue marbles</span>"
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Using the value of x from the second equation in the first equation we get:
(4y-6)+y=79\\5y=79+6\\5y=85\text{ then }y=\frac{85}{5}=17\\x=79-17=62
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