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KatRina [158]
3 years ago
11

Read the problem and examine the diagram. Fletcher got 92 votes in the class election. 115 people voted. What percent of all the

votes did he get? Which equation does NOT represent the percent of the votes that Fletcher got?
Mathematics
1 answer:
Rzqust [24]3 years ago
5 0
80%.

92/115= .8

.8•100= 80(%)
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The South Coast Air Basin (Los Angeles, Orange, and San Bernardino counties) does not meet the air quality standards for carbon
Archy [21]

Answer:

0.2225 gr/mile

Step-by-step explanation:

Let's work out first the amount of CO sent out in 1990.

The population we estimated in 12.5 million people with a total of driven miles per year of about  

12.5 million*8,700 = 108,750 million miles.

With an CO emission factor of 0.9 g per mile, we would have a total of CO emitted rounding 0.9*180,750 = 97,875 million grams

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\bf P(t)= Ce^{kt}

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So far we have

\bf P(t)= 10.3e^{kt}

Given that P(10)=12.5

\bf 10.3e^{k*10}=12.5\rightarrow e^{10k}=\frac{12.5}{10.3}=1.21359\rightarrow \\10k=log(1.21359)\rightarrow k=0.01936

And the function that models the population growth is

\bf P(t)= 10.3e^{0.01936t}

We need P(20)

\bf P(20)= 10.3e^{0.01936*20}=10.3e^{0.38717}=15.17\;million

If the miles driven per person per year remains constant at 8700 mi/yr.person, then we have a total miles driven of

15.17*8,700=131,979 million miles, so the CO emitted would be 0.9*131,979=118,781.1 million grams.

The 30% of the CO sent out in 1990 is 0.3*97,875=29,362.5 million grams.

We must reduce 118,781.1 down to 29,362.5

Hence the new CO emission factor would be

29,362.5/131,979 = 0.2225 gr/mile

6 0
3 years ago
Brainliest, help, i beggg
Fiesta28 [93]

Across the top: 8, 9, 2

Down the side: 4, 3, 6

8 x 4 = 32

9 x 4 = 36

2 x 4 = 8

4 x 8 = 32

3 x 8 = 24

6 x 8 = 48

Hope this helps!

6 0
2 years ago
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Answer:

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