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zavuch27 [327]
2 years ago
5

Please help! 10 points

Mathematics
1 answer:
Natali [406]2 years ago
3 0

Answer:

2ddksdfkladfkjkafadfasf

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R560 invested at 8% p.a. simple interest for 3 years​
alexdok [17]

Answer:

R 694.4

Explanation:

simple interest = \sf{\dfrac{PRT}{100} → \sf \dfrac{560*8*3}{100} → R 134.4

where p refers to principal, r refers to rate, t refers to time.

total money:

invested money + simple interest

R 134.4 + R 560 → R 694.4

4 0
2 years ago
Read 2 more answers
The population of a city in 2005 was 18,000. By 2010, the city’s population had grown to 45,000. Economists have determined that
SpyIntel [72]
Exponential model is y=Ae^(kt)
Assume initial start is 2005, time = 0, so y = 18000e^(kt)
45000 = 18000*e^(k5)
solve for k, approx 0.1832
y = 18000*e^(1.832) = 112,435, approximately
6 0
3 years ago
What number is ten less than 658?
Karo-lina-s [1.5K]

Answer:

658-10=648

Step-by-step explanation:

subtract 10 from 658.

6 0
3 years ago
I really need help with this section
Tpy6a [65]

Looks like you did most of it.

The next step would be setting them equal to 105, like the problem suggests.

5z+3x+7x=105

15x=105

x=7

Then we can plug back in to find the numbers.

5*7=35

3*7=21

7*7=49

35+21+49=105

The three numbers are 35, 21, 49.

Hope this helps.

頑張って!

5 0
3 years ago
Read 2 more answers
Ms. Hernandez drives 40 miles each day — to and from work — 5 days a week. How many gallons of gas does she use? What informatio
nasty-shy [4]

Answer:

Step-by-step explanation:

40 = 5d

-Divide 5 by both sides by 5 which cancels 5 and leaves d but, then divide 40 by 5 which gives you 8.

D=8

-The information missing is how many gallons of gas he use in a day.

4 0
3 years ago
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