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Gemiola [76]
3 years ago
5

(Proportional Relationships)

Mathematics
1 answer:
lilavasa [31]3 years ago
7 0

Answer: y =26x

Step-by-step explanation:

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Simplest form of 4/10?​
r-ruslan [8.4K]

Answer:

The answer is 2/5.

Step-by-step explanation:

4 0
3 years ago
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a 23 gram sample of a substance thats a by-product of fireworks has a K-value of .13. whats the substances half life in days
nata0808 [166]
Given:
Initial mass, m₀ = 23 g
Decay constant, k = 0.13

Exponential decay obeys the equation
m(t)=m_{0} e^{-kt}
where t = time, days

For half life, the mass is m = m₀/2.
Therefore
e^{-0.13t} = \frac{1}{2} \\ -0.13t = ln(0.5)\\t= \frac{ln(0.5)}{-0.13} =5.33

Answer: The half life is 5.33 days
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3 years ago
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A university's freshman class has 10000 students. 2500 of those students are majoring in Engineering. What percentage of the fre
Musya8 [376]

Answer:

25%

Step-by-step explanation:

2500*4 = 10000

10000/4 = 2500

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25%

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3 years ago
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A rectangular football field measures 50 meters by 25 meters. The football team has to run around the field 4 times during warm
Gnoma [55]

Answer:

the answer is <u>D: 600 meters</u>

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7 0
3 years ago
Kim is a medical supplies salesperson. Each month she receives a 5% commission on all her sales of medical supplies up to $20,00
lions [1.4K]

Answer: her sales for the month of May is $55000

Step-by-step explanation:

Let x represent her total sales for the month of May.

Each month she receives a 5% commission on all her sales of medical supplies up to $20,000. This means that for her first sales worth $20000, she earns a commission of

5/100 × 20000 = 1000

She also earns 8.5% on her total sales over $20,000. This means that for sales over $20000, she earns

8.5/100(x - 20000) = 0.085x - 1700

Her total commission for May was $3,975. The expression becomes

1000 + 0.085x - 1700 = 3975

0.085x = 3975 + 1700 - 1000

0.085x = 4675

x = 4675/0.085

x = 55000

5 0
3 years ago
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