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3 years ago

BRAINLIEST + POINTS NEED HELP PLEASE!

Mathematics

1 answer:

CaHeK987 [17]3 years ago

4 0

Answer:

B. $5.58

Step-by-step explanation:

In order to find the amount of income earned, we can set up an equation using a variable for the number of checks and the minimum balance:

Income earned = (.008)b - $0.10c - $2.00, where b = the minimum balance and c = the number of checks.

Since the customer writes 21 checks, c = 21 and maintains a minimum balance of $1,210, b = 1210, we can fill in the variables and solve the equation:

Income earned = (.008)(1210) - (0.10)(21) - 2 or 9.69 - 2.10 - 2 = $5.58

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3 years ago

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Step-by-step explanation:

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3 years ago

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Answer:

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3 years ago

Read 2 more answers

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Answer:

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3 years ago

The height of a tree increases by 60% each year. When planted the tree was 40cm tall. How tall will the tree be in 5 years time.

Vikentia [17]

Answer:

≈419.4 cm.

Step-by-step explanation:

To solve this problem, you will need to set up an exponential graph as shown:

y= 40 · $(1.6)^{x}$

The 40 represents the initial height of the tree, while (1.6) represents the annual growth rate. 'x' represents the amount of years elapsed.

We can simply solve this by substituting 5 for x:

y= 40· $(1.6)^{5}$

y ≈ 419.4 cm.

8 0

3 years ago