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Katen [24]
3 years ago
15

I need help with writing a word problem that can be evaluated by the algebraic expression 372 + r, and evaluate it for r = 137.

Please help❤️
Mathematics
1 answer:
Soloha48 [4]3 years ago
4 0

Gabe had 372 apples and r grapes. The total of grapes and apples gabe has are 509. How many grapes did gabe have?


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Elena receives ​$131 per year in simple interest from three investments totaling ​$3000. Part is invested at​ 3%, part at​ 4% an
ioda

Answer:

Elena invested $ 1,700 at 5%, $ 700 at 4%, and $ 600 at 3%.

Step-by-step explanation:

Given that Elena receives $ 131 per year in simple interest from three investments totaling $ 3000, and part is invested at 3%, part at 4% and part at 5%, and there is $ 1000 more invested at 5% than at 4%, to find the amount invested at each rate, the following calculations must be performed:

1500 x 0.05 + 500 x 0.04 + 1000 x 0.03 = 75 + 20 + 30 = 125

1600 x 0.05 + 600 x 0.04 + 800 x 0.03 = 80 + 24 + 24 = 128

1700 x 0.05 + 700 x 0.04 + 600 x 0.03 = 85 + 28 + 18 = 131

Therefore, Elena invested $ 1,700 at 5%, $ 700 at 4%, and $ 600 at 3%

7 0
3 years ago
How do you solve this In this case 1422 = 5534/(1+r)^4
Sever21 [200]
It is okay to take the inverse of both side given that you remember to exclude the value that make the denominator  zero which is in this case r=-1

8 0
3 years ago
Four horses ran in a race
irina [24]

Answer:

  Dee won

Step-by-step explanation:

Using < to mean "finished ahead of ", we are given ...

  B = 3

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Dee finished ahead of Air, Bart, and Caper, so Dee won the race.

_____

The order of finish must be D, A, B, C.

3 0
3 years ago
The population of a city was 60,000 in 2015. In 2016, the population of the city was 63,000. The percent increase in the populat
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The answer of this question is 66,000.

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If an airplane's speed is 850 miles/ hours what is its speed in meters/ seconds? (1 mile = 1609.34 meters) A. 37,998 m/s B.1360m
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Hope this helps you!!!

5 0
3 years ago
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