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const2013 [10]
3 years ago
11

The length of a rectangular deck is 3 times its width. If the deck Perimeter is 32 feet what is the deck area

Mathematics
1 answer:
yaroslaw [1]3 years ago
7 0

Answer:

48 square feet

Step-by-step explanation:

First, make an equation for the perimeter. W is the width and since the length is three times the width it is 3W. W+3W+W+3W=32. Add like terms and you get 8W=32. 32 divided by 8 is 4 so the width is four. 4x3 is 12 so the length is 12. you get area by multiply length and width so 12x4 is 48.

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I need help. i need an answer please and thanks
Nadusha1986 [10]
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4 0
3 years ago
The variable y varies jointly with x and w when y = - 42, x = 2, and w = -3.
Andrei [34K]

Answer:

k = 7

Step-by-step explanation:

given y varies jointly with x and w then the equation relating them is

y = kxw ← k is the constant of variation

to find k use the condition when y = - 42, x = 2 and w = - 3 , then

- 42 = k × 2 × - 3

- 42 = - 6k ( divide both sides by - 6 )

7 = k

constant of variation is k = 7

6 0
2 years ago
(surds) write this in the simplest form and then simplify the expression
Stells [14]

Answer:   \bold{\sqrt{2}-15\sqrt{3}}

<u>Step-by-step explanation:</u>

.\quad \sqrt{128}-5\sqrt{27}+2\sqrt{32}-3\sqrt{75}\\\\=\sqrt{\underline{2\cdot 2}\cdot \underline{2\cdot 2}\cdot \underline{2\cdot 2}\cdot 2}-5\sqrt{\underline{3\cdot 3}\cdot 3}+2\sqrt{\underline{2\cdot 2}\cdot \underline{2\cdot 2}\cdot 2}-3\sqrt{2\cdot \underline{5\cdot 5}}\\\\=2\cdot 2\cdot 2\sqrt{2}-3\cdot 5\sqrt{3}+2\cdot 2\cdot 2\sqrt{2}-5\cdot 3\sqrt{2}\\\\=8\sqrt{2}-15\sqrt{3}+8\sqrt{2}-15\sqrt{2}\\\\=\sqrt{2}-15\sqrt{3}

4 0
4 years ago
Enter the output values (Y) with the given function and input values (X).<br> y = 3x - 2
marishachu [46]

Answer:

hilghkiii

Step-by-step explanation:

5 0
3 years ago
Read 2 more answers
Jim has three times as many comic books as Charles Charles has two thirds as many as Bob Bob has 27 books how many comic books d
Lorico [155]

Charles has 2/3 of bob

 bob has 27

 so 2/3*27 = 27 *2 = 54/3 = 18

Charles has 18

Jim has 3 times as many as Charles so he has 3 x 18 = 54

 jim has 54 comic books

6 0
3 years ago
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