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irina [24]
3 years ago
14

What’s the answer need it ASAP

Mathematics
2 answers:
geniusboy [140]3 years ago
8 0

Answer:

Step-by-step explanation:nsshs

Keith_Richards [23]3 years ago
7 0

Answer:

Step-by-step explanation:nsshs:

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Pls answer<br><br> Y’all are awesome thx
Vilka [71]

Answer: 12a.) slope is 125, y-intercept is 50 (started at 50 ft)

12b.) f(3) = 425 feet

12c.) 3.6 hours

Step-by-step explanation:

12a.) The slope equation is y = mx+b, where m is the slope, and b is the y intercept.

12b.) to find f(3) you could either plug it into the equation given (125x+50) or pretend there is a vertical line at 3 on the x axis, and where it crosses the line given would be the answer.

12c.) He is climbing a 500 ft cliff, and according to the graph, it takes him 3.6 hours to do it. Another way to find this answer would be to find f(3.6), which is indeed 500 ft.

Hope this helps!

3 0
3 years ago
PLEASE HELP ASAP!!!
barxatty [35]

Answers:

  • <u>24000 dollars</u> invested at 4%
  • <u>18000 dollars</u> was invested at 7%

======================================================

Work Shown:

x = amount invested at 4%

If she invests x dollars at 4%, then the rest (42000-x) must be invested at the other rate of 7%

She earns 0.04x dollars from that first account and 0.07(42000-x) dollars from the second account

This means we have

0.04x+0.07(42000-x)

0.04x+0.07*42000-0.07x

0.04x+2940-0.07x

-0.03x+2940

This represents the total amount of money earned after 1 year.

We're told the amount earned in interest is $2220, so we can say,

-0.03x+2940 = 2220

-0.03x = 2220-2940

-0.03x = -720

x = -720/(-0.03)

x = 24000 dollars is the amount invested at 4%

42000-x = 42000-24000 = 18000 dollars was invested at 7%

----------------------

As a check, we can see that

18000+24000 = 42000

and also

0.04x = 0.04*24000 = 960 earned from the first account

0.07*18000 = 1260 earned from the second account

1260+960 = 2220 is the total interest earned from both accounts combined

This confirms our answers.

7 0
3 years ago
20 characterssssssssssssssssss
ElenaW [278]

Answer:

Step-by-step explanation:

brainly.com/question/21680554?answeringSource=feedPublic%2FhomePage%2F17 answer this question

7 0
3 years ago
Chloe answered 35 of the 60 questions correctly. Express this amount as a percent and as a decimal
Delvig [45]

Answer:

0.583

58.3%

Step-by-step explanation:


5 0
3 years ago
Twenty motors were put on test under a high-temperature setting. The lifetimes in hours of the motors under these conditions are
natta225 [31]

Answer:

Step-by-step explanation:

The step by step explanation is given in the attached document.

3 0
3 years ago
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