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andriy [413]
3 years ago
15

Ray’s Lawn and Garden bought 300 lawnmowers for $75.00 each to stock the store for spring. If the 300 lawnmowers are sold for $1

04.95 each, what is the profit? $8,985.00 $900.00 $1,900.00 $19,000.00
Mathematics
1 answer:
grigory [225]3 years ago
8 0
First you would have to calculate the total price the lawn mowers are bought for. Which you would multiply
300 × 75 = $22,500.
After you do that you get the total in which all 300 lawnmowers would be sold for. In this, you would multiply
300 × 104.95 = $31,485
Once you get these answers you will subtract 
$31,485 - $22,500 = $8,985
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7. Over the past 50 years, the number of hurricanes that have been reported are as follows: 9 times there were 6 hurricanes, 13
poizon [28]

Answer:

Step-by-step explanation:

Let us first generate the frequency table from the information given:

Hurricane number(X)       Frequency(f)                f(X)

6                                            9                                   54

8                                            13                                  104

12                                           16                                  192

14                                            12                                168

Total                                     ∑(f) = 50                          ∑f(x) =518

In order to determine the last frequency (the remaining years), we will add the other frequencies and subtract the answer from 50, which is the total frequency (50 years). This is done as follows:

Let the last frequency be f

9 + 3 + 16 + f = 50

38 + f = 50

f = 50 - 38 = 12

Now, calculating mean:

\bar {X} = \frac{\sum f(x)}{\sum(f)} \\\\\bar {X} = \frac{518}{50} \\\\\bar {X} = 10.36

Therefore mean number of hurricanes = 10.4 (to one decimal place)

7 0
3 years ago
A random sample of 30 seventh grade students shows that 12 of them own a dog. How many seventh grade students can you predict ow
ArbitrLikvidat [17]

Answer:

160

Step-by-step explanation:

If out of 30 7th graders, 12 own a dog then when you have 400 of them, 160 will have a dog as well.

The way I did this was by 400/30: which was 13.3 repeating. I then mutliplied this number by 12, to find the final answer of 160.

4 0
3 years ago
Read 2 more answers
I NEED THIS DONE IN TWO HOURS :,(
Pani-rosa [81]
I hope I’m not too late. Substitute x = 4y + 5y = 2
y = 2. Substitute this value into the first equation: x + -4 x 2 = -8. So the answer is (-8,2).
3 0
3 years ago
For every quad, there are 4 wheels. Complete the
PIT_PIT [208]
The one next to 3 is 12, the one next to 7 is 28, the one next to 12 is 48. All you have to do is multiply the quads by four and you get the number of wheels.
7 0
3 years ago
I need help answering
jekas [21]

Put the values of the variables in place of the variables in the expression, then do the arithmetic.

8p+3q-18\\\\=8\left(\dfrac{1}{2}\right)+3(7)-18=\dfrac{8}{2}+21-18\\\\=4+21-18\\\\=25-18\\\\=\bf{7}

6 0
3 years ago
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