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3 years ago

The graph below shows the amount of money left in the school’s desk fund, f, after d desks have been purchased.

2 answers:

6 0

The amount left in the fund decreases by $110 for each desk purchased.
We suspect that each new desk probably costs $110.

Grace [21]3 years ago

6 0

Answer:

$110 is the decrease in the school desk's fund for each new desk is purchased.

Step-by-step explanation:

We have to calculate the amount of money left in the school's desk fund when a new desk is purchased.

From the given link we find two points (2, 480) and (5, 150), and the decrease in fund when a desk is purchased will be denoted as

Decrease in school's desk fund after a new purchase = Change in y coordinates of the points / difference in x-coordinates

= (480-150)/(5-2) = 330/3 = $110

Answer is $110.

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2 years ago

Read 2 more answers

I need help finding the answer to this:

anygoal [31]

Answer:

He will earn $6 in interest in 9 months.

Step-by-step explanation:

This is a simple interest problem.

The simple interest formula is given by:

$E = P*I*t$

In which E is the amount of interest earned, P is the principal(the initial amount of money), I is the interest rate(yearly, as a decimal) and t is the time.

After t years, the total amount of money is:

$T = E + P$

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This means that $P = 400$

2% annual interest

This means that $I = 0.02$

How much interest will he earn in 9 months?

An year has 12 months, this means that $t = \frac{9}{12} = \frac{3}{4} = 0.75$

This is E. So

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8 0

3 years ago

.. a)

djyliett [7]

Answer:

1100

Step-by-step explanation:

price = 1500

discount= 15%

15% of 1500 = (15/100)*1500= 15*15= 225

so selling price = 1275

profit is selling price - cost price

1275 - CP = 175

CP = 1275-175= 1100

I didn't understand the calculator part of the question

5 0

2 years ago