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iogann1982 [59]
3 years ago
15

Isabel wants to start saving more money so that she can purchase new clothes for college. She has $200 and will add $5 to her sa

vings every day.
Which equation models Isabel's savings, where n represents each day?
Mathematics
1 answer:
Ludmilka [50]3 years ago
6 0

Answer:

y = 5n + 200

Step-by-step explanation:

y = mx + b

$5 will be added every day, so 5 is the m and n is the x.

$200 is an extra cost that doesn't repeat, so it's the b.

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A farmer feeds her four horses 64 bales of hay each week. How many bales of hay would the farmer need in order to feed six horse
jekas [21]

Answer:

96 bales

Step-by-step explanation:

\frac{64}{4} = \frac{x}{6}

You must multiply 6 by 64, which is 384.

Then you divide that by 4, which is 96.

Therefore, the answer is 96.

Also, I lined up the bales in the same row and horses in the same row, so this way can help. It can also help if it's in the same column though, but I hope this helped you!

5 0
3 years ago
Read 2 more answers
A loan of $36,000 is made at 6.75% interest, compounded annually. After how many years will the amount due reach $57,000 or more
irakobra [83]

Answer:

After 7.04 years the amount will reach $57,000 or more

Step-by-step explanation:

The rule of the compound interest is A=P(1+\frac{r}{n})^{nt} , where

  • A is the new value
  • P is the initial value
  • r is the rate in decimal
  • n is the period of the time
  • t is the time

∵ A loan of $36,000 is made at 6.75% interest, compounded annually

∴ P = 36,000

∴ r = 6.75% = 6.75 ÷ 100 = 0.0675

∴ n = 1 ⇒ compounded annually

∵ The amount after t years will reach $57,000 or more

∴ A = 57,000

→ To find t substitute these values in the rule above

∵ 57,000 = 36,000 (1+\frac{0.0675}{1})^{(1)(t)}

∴ 57,000 = 36,000 (1.0675)^{t}

→ Divide both sides by 36,000

∵ \frac{19}{12} =  (1.0675)^{t}

→ Insert ㏒ in both sides

∴ ㏒( \frac{19}{12} ) = ㏒ (1.0675)^{t}

→ Remember ㏒a^{n} = n ㏒(a)

∵ ㏒( \frac{19}{12} ) = <em>t</em> ㏒(1.0675)

→ Divide both sides by ㏒(1.0675)

∴ 7.035151337 = <em>t</em>

<em>∴ </em><em>t </em>≅ 7.04

∴ After 7.04 years the amount will reach $57,000 or more

4 0
3 years ago
X/7= 40/30 give the value of x
Sonja [21]
X = 40/30 × 7
x = 280/30
x = 28/3
6 0
3 years ago
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Donna has a new job. Her annual starting salary is $17,600, and she receives a raise of $850 at the end of each year. Which expr
DanielleElmas [232]
D would be the best answer in my opinion
8 0
3 years ago
64. If six black, five red, four white, and two green disks are to be arranged in a row, what is the number of possible color ar
anzhelika [568]
Answer:
3.5568743e+14
Step-by-step explanation:
This is probabilities and you need to find the total possible outcomes
6+5+4= 17
So you do 17 factorials which basically is-multiplying each number down so 17 x 16 x 15 x14... and so on. So 17 factorial would get the total possible outcomes.
6 0
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