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FrozenT [24]
3 years ago
15

If 18.9 million computers were in use in 1980 and the number is rising by 19% annually, predict the number of computers in use i

n 2015. Round to the nearest whole number
Mathematics
1 answer:
4vir4ik [10]3 years ago
4 0
18.9(1+0.19)^35, 35 is the number of years
use your calculator, you should get 661.5, round to the newest whole number 662million

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It takes 8 hours to drive to Joliet, and that's 6 hours more than half the time it takes to drive to Davenport. So, I did 8-6 which equals 2. So 2 hours is half the time it takes to get to Davenport, which means it takes 4 hours to get to Davenport. 
6 0
3 years ago
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David just accepted a job at a new company where he will make an annual salary of $69000. David was told that for each year he s
Nataliya [291]

Answer:

After 4 years working for the company, he would make $79,000 of salary.

His salary after t years will be:

[te]S(t) = 69000 + 2500t[/tex]

Step-by-step explanation:

David just accepted a job at a new company where he will make an annual salary of $69000. David was told that for each year he stays with the company, he will be given a salary raise of $2500.

This means that after t years, his salary will be given by:

[te]S(t) = 69000 + 2500t[/tex]

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[te]S(4) = 69000 + 2500*4 = 69000 + 10000 = 79000[/tex]

After 4 years working for the company, he would make $79,000 of salary.

5 0
2 years ago
1) There are 43 girls and 25 boys in the Valley View Middle School chorus. What is the ratio of girls to boys? 43 to 25, or 43:2
Arturiano [62]

Answer:

Oh gosh. Im not positive but I think it would be 43:25. Please dont get mad at me if its wrong!

Step-by-step explanation:

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6 0
2 years ago
Do these side lengths make a right triangle? 2.1, 7.2, 7.5
mariarad [96]

Answer:Yes

Step-by-step explanation:

6 0
3 years ago
Evaluate x + y + z if x = 3, y = -5, and z = -2
Eduardwww [97]

x + y + z

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  • Rewrite the equation.

3 - 5 - 2

  • Solve from left to right.

3 - 5 = -2

-2 - 2 = -4

<h3>Your answer is -4.</h3>
7 0
3 years ago
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