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poizon [28]
2 years ago
12

4.

Mathematics
1 answer:
Sergeu [11.5K]2 years ago
8 0

Answer:

A

Step-by-step explanation:

Basically they are saying that after you ADDED on 4 people it became 28. So in order to get 28 you had to add on 4 to the original number of people. Therefore it is n + 24 = 28

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31. A business rents cars for $150 a day and vans for $300 a day. One day it rented a total of 30 vehicles and
Advocard [28]

Answer:

D. 22 Cars and 8 Vans

Step-by-step explanation:

1. You multiply 22 x 150 = 3,300.

2. Then you multiply 300 x 8 = 2,400.

3. Next, add 3,300 + 2,400

4. That equals 5700.

Hopefully, that helps!

7 0
3 years ago
The population of a town is 13,000. It decreases at a rate of 5% per year. In about how many years will the population be less t
just olya [345]

This is an exponential decay problem.

Using the equation Y = a *(1-rate)^time

where Y is the future value given as 12,000 and a is the starting value given as 13,000.

The rate is also given as 5%.

The equation becomes:

12,000 = 13,000(1-0.05)^x

12,000 = 13,000(0.95)^x

Divide each side by 13000:

12000/13000 = 0.95^x/13000

12/13 = 0.95^x

Use the natural log function:

x = ln(12/13) / ln(0.95)

x = 1.56 years. ( this will equal 12,000

Round to 2 years it will be less than 12000.

3 0
3 years ago
Which of the following is a<br> Whole Number?<br> A: 0.252<br> B: 16 <br> C:1/2<br> D: 14
kirza4 [7]

Answer:

The options B and D both are whole numbers

explanation:

a number without fractions; and decimals is called a whole number

hope this helps!

7 0
3 years ago
Read 2 more answers
1) -4.2 = y - 1.8<br> i don’t know the answer need help
anastassius [24]

Answer:

y - 1.8 = -4.2

y = -2.4 is the solution

4 0
3 years ago
Read 2 more answers
Joel biked 9 miles east and 12 miles north. If he biked back to his starting point using the most direct route, how many miles w
love history [14]

Answer:

36 Miles

Step-by-step explanation: 15 + 9 + 12 = 36 miles

6 0
3 years ago
Read 2 more answers
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