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Lelechka [254]
3 years ago
11

Will has 2 quarters, 6 dimes, some nickels, and 4 pennies. If the ratio of pennies to the total number of coins he has is 1:5, h

ow many nickels are there?
Mathematics
1 answer:
Mamont248 [21]3 years ago
4 0

Answer:

8 nickels

Step-by-step explanation:

Let n be the number of nickels.

4: (2+ 6 + 4 + n) = 1:5

4÷(12 + n) = 1÷5

4 x 5 = 1 x (12 + n)

20 = 12 + n

n = 8

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Solve the right triangle. around your answer to the nearest tenth. Please answer ASAP <br> #8
trasher [3.6K]

Answer:

8² + 10² = c²

64 + 100 = c²

164 = c²

c = √164

c = 12.8

5 0
2 years ago
The cost of manufacturing a printer is $35. The
Gelneren [198K]

Answer:

$47.25

Step-by-step explanation:

First, we find how much the markup costs:

35%=35/100

So we do,

35/100x$35 = $12.25

To find the total price of everything, we have to add the price markup AND the original cost of the printer.

So we do, 35 + 12.25 = $47.25

I hope this helps!:)

5 0
3 years ago
Lewis drove 14 miles north and 48 miles east. On his return trip he drove home diagonally. How much shorter was the return trip?
Lina20 [59]
12 miles, Because using the Pythagorean theorem, A squared plus B squared = C squared. So 14 squared +48 squared equals 2500. The square root of 2500 is 50, so the total of 14+48 is 62-50 is 12 miles shorter
6 0
3 years ago
How do I solve this equation? <br>2(x+1) + 3x = 17
Eddi Din [679]

First, you need to use the distributive property and distribute the 2 inside the parentheses.

2(x + 1) + 3x = 17

2(x) + 2(1) + 3x = 17

2x + 2 + 3x = 17                   -Combine like terms

2x + 3x + 2 = 17

5x + 2 = 17                 -Subtract 2 from both sides of the equation.

5x + 2 - 2 = 17 - 2

5x = 15                            -Finally, divide each side by 5 to find your answer

5x/5 = 15/5

x = 3

Hope this helps you!

5 0
3 years ago
Read 2 more answers
The mean price of a home in California is much larger than the median price. Explain why this might happen.
vivado [14]
The median price is that which is midway in the range between the cheapest and the dearest. 
<span>The mean price is the sum of all the prices divided by the number </span>
<span>For example, lets say we have seven houses in a particular road. I haven't a clue how much Californian houses cost, so I'm going to list seven arbitrary values in order of cheapest to dearest. </span>

<span>1) $100,000 </span>
<span>2) $130,000 </span>
<span>3) $130,000 </span>
<span>4) $250,000 </span>
<span>5) $310,000 </span>
<span>6) $800,000 </span>
<span>7) $900,000 </span>

<span>If the size n, of the range is odd, then the median value is at the (n+1)/2 th position in the range </span>
<span>For n = 7, (n+1)/2 = (7+1)/2 = 8/2 = 4 </span>
<span>The fourth cheapest house is priced at $250,000, which is the median </span>

<span>The sum of the cost of all seven houses is $2,620,000 </span>
<span>The mean = Sum/n </span>
<span>= $2,620,000 / 7 </span>
<span>= $374,285.71 </span>

<span>In summary </span>
<span>Median = $250,000 </span>
<span>Mean = $374,285.71 </span>

<span>The reason why the mean is much greater than the median is because of the skewed values at the top of the range. They are much higher than the others. If the prices of the sixth and seventh houses were $350,000 and $360,000 respectively, the median would still be $250,000, but now the mean would be $232,857.14 which is less than the median. </span>

<span>Unlike the median, the mean is very sensitive to the extreme points within the range. </span>

<span>If it's a single home, or all homes are the same price, then the mean and the median are equal.</span>
8 0
4 years ago
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