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notka56 [123]
3 years ago
6

I need help..........

Mathematics
1 answer:
Marat540 [252]3 years ago
5 0
Answer: 3rd one
Rearrange the original equation so it fits the model of : ax^2+bx+c=0
Then use the quadratic formula to find all possible answers.
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closed interval on x=3 and open at x=5

for all values between these numbers, y=3

so [3,5)

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The answer is a.......
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Samantha has chickens and sheep on her farm. Each chicken has two legs and each sheep has four legs. Each chicken has one head a
krok68 [10]

Answer:

There are 29 chickens and 19 sheep.

Step-by-step explanation:

Samantha has chickens and sheep on her farm.

Let the number of chickens be c.

Let the number of sheep be s.

Each chicken has one head and each sheep has one head.

She looked out one day and counted 48 animal heads. Each chicken has one head and each sheep has one head.

This means that the number of chickens and sheep add up to 48:

c + s = 48 ____________(1)

She also counted 134 legs. Each chicken has one head and each sheep has one head. This means that:

2c + 4s = 134 ________(2)

From (1),

c = 48 - s ____________ (3)

Put (3) in (2):

2(48 - s) + 4s = 134

96 - 2s + 4s = 134

Collecting like terms:

2s = 134 - 96

2s = 38

s = 38 / 2 = 19

Putting this back in (3):

c = 48 - 19

c = 29

There are 29 chickens and 19 sheep.

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3 years ago
A home mortgage is usually borrowed for how long
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