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vitfil [10]
2 years ago
6

4. Jerry currently has an account balance of $1,109.80. His initial deposit on the account was $775 and it earned 2.7% simple in

terest. How long has Jerry held the account? 53 years 37 years 11 years 16 years
Mathematics
2 answers:
lidiya [134]2 years ago
4 0

Answer:

Hey there!

I=PRT

1109.8=775(0.027)T

1109.8=20.93T

53=T

Jerry had the account for 53 years.

Let me know if this helps :)

Lerok [7]2 years ago
4 0

Answer:

16 years

Step-by-step explanation:

Step 1: State what is given:

Current account balance is 1,109.80

Initial deposit is 775

2.7% simple interest

Step 2: Find 2.7% of 775

775 x 0.027 = 20.925

Step 2: Find how much money Jerry has earned from the interest

1,109.80 - 775 = 334.8

Step 4: Divide 334.8 by 20.925

334.8/20.925 = 16

Therefore Jerry has held the account for 16 years

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Simplify and verify the results for
KatRina [158]

Answer:

21440

Step-by-step explanation:

<h2>Simplify:</h2>
  • (7x³ + 8x² - 3)(x² - 5)

Start by multiplying 7x³ by x² and -5.

  • 7x⁵ - 35x³ + (8x² - 3)(x² - 5)    

Multiply 8x² by x² and -5.

  • 7x⁵ - 35x³ + 8x⁴ - 40x² + (-3)(x² - 5)

Multiply -3 by x² and -5.

  • 7x⁵ - 35x³ + 8x⁴ - 40x² -3x² + 15

Combine like terms together.

  • 7x⁵ - 35x³ + 8x⁴ - 43x² + 15

Rearrange the terms in descending power order.

  • 7x⁵ + 8x⁴ - 35x³ - 43x² + 15  
<h2>Verify (I): </h2>

Substitute x = 5 into the above polynomial.

  • 7(5)⁵ + 8(5)⁴ - 35(5)³ - 43(5)² + 15

Evaluate the exponents first.

  • 7(3125) + 8(625) - 35(125) - 43(25) + 15

Multiply the terms together.

  • 21875 + 5000 - 4375 - 1075 + 15

Combine the terms together.

  • 21440

This is the answer when substituting x = 5 into the simplified expression.

<h2>Verify (II):</h2>

Substitute x = 5 into the expression.

  • [7(5)³ + 8(5)² - 3][(5)² - 5]

Evaluate the exponents first.

  • [7(125) + 8(25) - 3][(25) - 5]

Multiply the terms in the first bracket next.

  • [875 + 200 - 3][25 - 5]

Evaluate the expressions inside the brackets.

  • [1072][20]

Multiply these two terms together.

  • 21440

This is the answer when substituting x = 5 into the original (unsimplified) expression.

3 0
2 years ago
Mr. McDowell invested $14,000 in equipment to print yearbooks for Ardrey Kell High School. Each yearbook costs $7 to print and s
Feliz [49]
14000+7x=35x (x being the number of books) solve for x and you have your answer. 14000=35x-7x=28x therefore x=14000/28=500 so he needs to sell 500 books before he breaks even.
8 0
3 years ago
Joaquin and Trisha are playing a game in which the lower median wins the game. Their scores are shown below. Joaquin's scores: 7
alekssr [168]

Answer:

Step-by-step explanation:

Given

Joaquin's score is 75,72,85,62,58,91

and Trisha's score is 92,90,55,76,91,74

Arranging score in order of value we get

Joaquin's : 58,62,72,75,85,91

Trisha's : 55,74,76,90,91,92

as no of values is even therefore their median is

Joaquin's=\frac{72+75}{2}=73.5

Trisha's =\frac{76+90}{2}=83

Therefore median of Joaquin's is lower

Thus Joaquin wins the game

5 0
3 years ago
Read 2 more answers
PLEASE HELP!
fenix001 [56]

Answer:

No

Step-by-step explanation:

No because (1,2) falls on the line, and the line is a dotted line, which means that any point on the line is not a solution to the inequality.

5 0
2 years ago
Rufus collected 100 pounds of aluminum cans to recycle. He plans to collect an additional 25 pounds each week. Right and crafty
Viktor [21]
It will take 16 weeks to collect 400 cans
So 16 multipled by 25 would give you 400
4 0
3 years ago
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