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kolbaska11 [484]
3 years ago
9

John made a lump sum deposit of $ 6,300 in an account that pays 6.5% per year. Find

Mathematics
1 answer:
PSYCHO15rus [73]3 years ago
4 0

Answer:  $8,347.50 is the value of his account after five years.

Interest is $409.50 per year.

Total amount of interest paid is $2,047.50.

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Two friends Vicky and Micky start a business together. They decided to share their capitals depending up on the variable expendi
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Answer:

a- x = 5/3, or x = -7/2

b- 675

c - 5·x + 2

Step-by-step explanation:

The polynomial representing the capital of the two partners = 6·x² + 11·x - 35

a. The total share is the capital of the two partners together = 6·x² + 11·x - 35

∴ When their total share is equal to 0, we have;

6·x² + 11·x - 35 = 0

Factorizing the above equation with a graphing calculator gives;

(3·x - 5)·(2·x + 7)

Therefore;

x = 5/3, or x = -7/2

b- The total expenditure, when x = 10 is given by substituting the value of <em>x </em>in the polynomial 6·x² + 11·x - 35, as follows;

When x = 10

6·x² + 11·x - 35 = 6 × 10² + 11 × 10 - 35 = 675

The total expenditure of Vicky and Micky when x = 10 is 675

c - The sum of their expenditure is (3·x - 5) + (2·x + 7) = 5·x + 2

7 0
3 years ago
A scale drawing of a building shows 1 inch = 8 feet. How many feet are represented by 3 ¾ inches on the drawing?
Gennadij [26K]

Answer:

30 feet is represented by 3 3/4 inches on the drawing

Step-by-step explanation:

We have the relation as;

1 inch = 8 feet

Thus;

3 3/4 inches = x feet

x = 3 3/4 * 8

x = 15/4 * 8

x = 30 feet

6 0
3 years ago
Based on this model, a school with a 53% chance of winning their first game would have what rank? Round your answer to the neare
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Answer:

8

Step-by-step explanation:

50 is at rank 8.5, but since its a 53% chance. it would be below the .5 area and round to 8

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8+(3+4) rewrite using the associative property
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(8 + 4) + 3 and (8 + 3) + 4.
8 0
3 years ago
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