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yawa3891 [41]
3 years ago
7

Out of a total of 300 animal in a zoo 45 are bird's what percent of the animal in the zoo are bird's

Mathematics
1 answer:
Neporo4naja [7]3 years ago
4 0
The percentage of birds in the zoo will be 15%
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Write an appropriate direct variation equation if y = 18 when x = 2
Sergeu [11.5K]

Answer:

y=9x

Step-by-step explanation:

we know that

A relationship between two variables, x, and y, represent a direct variation if it can be expressed in the form k=\frac{y}{x} or y=kx

In this problem we have

y=18 when x=2

Find the value of the constant of proportionality k

k=\frac{y}{x} ----> k=\frac{18}{2}=9

therefore

The equation is equal to

y=9x

8 0
3 years ago
On a 16 scale drawing of a bike, one part is 3 inches long. How long will the actual bike part be?
Oksanka [162]
Multiply 16*3 to get 48, the bike is 48 units so 16:1,16/1=16. So the answer would be 16. Hope I helped! 
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3 years ago
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Natasha2012 [34]
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3 years ago
16. What is the area of a triangle that has a base of 8 inches and a height of 3 inches?​
Luden [163]
<h2>Answer:</h2>

A=12in²

Step-by-step explanation:

b Base 8in

hb Height 3in

A=hbb

                                    2=3·8

                                                                                 2=12in²

7 0
3 years ago
C=5/9(F-32) help please
stiv31 [10]
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4 0
2 years ago
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