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zhuklara [117]
3 years ago
15

During the summer, the population of spring lake is 30,155. During the winter, the population drops down to 13,876. How many peo

ple spend only the summer months in spring lake
Mathematics
2 answers:
My name is Ann [436]3 years ago
4 0
16,280 spend only the summer

30,155-13,876=16,280

hope this helps

goodluck
aleksley [76]3 years ago
3 0
30,155-13,876=16,279
16,279 people spend on the summer months in spring lake.
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3 years ago
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Pls solve the simultaneous equation in the attachment.
siniylev [52]

Answer:

Part a) The solution is the ordered pair (6,10)

Part b) The solutions are the ordered pairs (7,3) and (15,1.4)

Step-by-step explanation:

Part a) we have

\frac{x}{2}-\frac{y}{5}=1 ----> equation A

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Multiply equation A by 10 both sides to remove the fractions

5x-2y=10 ----> equation C

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y=\frac{x}{3}+8 ----> equation D

we have the system of equations

5x-2y=10 ----> equation C

y=\frac{x}{3}+8 ----> equation D

Solve the system by substitution

substitute equation D in equation C

5x-2(\frac{x}{3}+8)=10

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15x-2x=48+30

Combine like terms

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<em>Find the value of y</em>

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y=\frac{6}{3}+8

y=10

The solution is the ordered pair (6,10)

Part b) we have

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x+5y=22 ----> equation B

isolate the variable x in the equation B

x=22-5y ----> equation C

substitute equation C in equation A

(22-5y)y=21

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22y-5y^2=21

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3 0
3 years ago
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Ghella [55]

This is similar to the other question you posted. Follow the same steps as before.

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