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Andre45 [30]
3 years ago
13

The tree in your friend's yard casts a shadow that is 27 feet long. Your friend is 5 feet tall and casts a shadow that is 4.5 fe

et long. What is the height of the tree?
Mathematics
1 answer:
GarryVolchara [31]3 years ago
6 0

Answer:

The height of the tree is 30 feet

Step-by-step explanation:

Let

h ----> the height of the tree

we know that

The tree casts a shadow that is 27 feet long

Your friend is 5 feet tall and casts a shadow that is 4.5 feet long

so

using proportion

Find out the height of the tree

\frac{h}{27}=\frac{5}{4.5}\\\\h=27(5)/4.5\\\\h=30\ ft

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Novay_Z [31]

Answer:

126.4 cm

Step-by-step explanation:

1. 15.8 * 3 = 47.4 (This is the length)

2. Find half of the rectangle

47.4 + 15.8 (width) = 63.2

3. Find the whole perimeter

63.2 * 2 = 126.4

3 0
3 years ago
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Lexi has $80 to spend on an ice cream treat each week. If she spends $4 on ice cream per week, the function C(x)=80−4x
adoni [48]

Answer:

Domain=\{1,2,3,4,5,6,7,8,9,10,11,12,,13,14,15,16,17,18,19,20\}

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Step-by-step explanation:

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Let after t weeks she has left no money.

c(t)=0\\80-4t=0\\4t=80\\t=20

That means she can have money for ice cream from the week 1 to week 20 and after that she will have no money.

So x can be any number between 1 and 20

Hence Domain=\{x|x\ is\ an\ integer\ and\ 1\leq x\leq20\}

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3 years ago
The weight P in pounds that a beam can safely carry is inversely proportional to the distance D in feet between the support beam
Leona [35]
Rewriting the function we have:
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Answer:

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Step-by-step explanation:

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