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Roman55 [17]
2 years ago
15

A farm has cows and ducks. There are 78 feet and 27 heads how many of each Animal are there? How do you know?

Mathematics
1 answer:
LenKa [72]2 years ago
4 0
105 Animals....You know that because when you add together the head & feet that's adding all the animals together​ to get the total number of animals
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The ratio of girls to boys in the junior high band is 5 to 7. At the beginning of year, there were 72 students in the band. By t
rusak2 [61]
Ratio is 5girls:7boys with total 72 students
5+7= 12
72➗12= 6
6(5:7)= 30 girls : 42 boys

New ratio is 3:4 with 48 boys

48➗4= 12

So for girls 3x12= 36

So started with 30 girls ended with 36 girls... 6 girls joined band during the school year.
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2 years ago
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Which graph represents the function f(x)= -2^x - 1
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Answer:

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4 0
3 years ago
1 liter is equivalent to 1,000 milliliters how many litters are in 2,500 milliliters.
Furkat [3]
You can create and solve a proportion to get this answer. 
Let x be the number of litters in 2500.

1. Write out proportion.                         1/1000=x/2500
2. Cross Multiply.                                   1000x=2500
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3 0
3 years ago
Please help! Giving brainliest :D
Anna11 [10]

Answer:

-29x-5

Step-by-step explanation:

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combine like terms: -29x - 5

so you’re answer is -29x - 5

i hope this helps :)

7 0
2 years ago
Write an equation in slope-intercept form of the line that passes through the given point and is perpendicular to the graph of t
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Answer:

y = -3x + 8

Step-by-step explanation:

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