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3 years ago

Question 1

Mathematics

1 answer:

olya-2409 [2.1K]3 years ago

7 0

Answers:

Step-by-step explanation:

To solve this, we plug in the given values for x, 1, 2, and 3.

<h2>Scenario 1. What is y when x is 1?</h2>

y = 3x + 4

y = 3(1) + 4

y = 3 + 4

y = 7

<h2>Scenario 2: What is y when x is 2?</h2>

y = 3x + 4

y = 3(2) + 4

y = 6 + 4

y = 10

<h2>Scenario 3: What is y when x is 3?</h2>

y = 3x + 4

y = 3(3) + 4

y = 9 + 4

y = 13

Interesting pattern: y appears to be 3 times x

In other words: as x increases by 1, y will increase by 3. The slope of this line is y/x or 3/1 or simply, 3.

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<h3> The greatest number is $1.997 \times 10^2$ </h3>

<em><u>Solution:</u></em>

<em><u>Given that the numbers are:</u></em>

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3 years ago

Read 2 more answers

Suppose a city with population 300 comma 000 has been growing at a rate of 3% per year. If this rate continues, find the popul

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Answer:

The population of this city in 13 years is 440,550.

Step-by-step explanation:

Given:

Suppose a city with population 300, 000 has been growing at a rate of 3% per year.

Now, to find the population of this city in 13 years.

Let the population of this city in 13 years be $A.$

Population ( $P$ ) = 300,000.

Rate per year ( $r$ ) = 3%.

Time ( $t$ ) = 13 years.

Now, we put formula to get the population of the city in 13 years:

$A=P(1+r)^t\\\\A=300,000(1+3\%)^{13}\\\\A=300,000(1+0.03)^{13}\\\\A=300,000(1.03)^{13}\\\\A=300,000\times 1.4685\\\\A=440,550.$

Therefore, the population of this city in 13 years is 440,550.

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