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Scilla [17]
3 years ago
14

anna, charlie and michael are hungry at the fair. they buy a candy floss, a hot dog, and a gourmet burger, respectively. they me

et sue, who asks the cost of each item. "well", said michael, "we spent £27 in total and mine was the dearest". "the product of the prices was 58" added charlie, helpfully.!sue still loked comfused. 'my food was the cheapest item" anna told her kindly. how much was each?
Mathematics
1 answer:
allochka39001 [22]3 years ago
8 0
Anna ( A ) - candy floss
Charlie ( C ) - hot dog
Michael ( M ) - gourmet burger
A + C + M = 27
A * C * M = 285
285 = 5 * 9 * 13
5 + 9 + 13 = 27
Answer:
Anna spent 5 pounds, Charlie 9 pounds and Michael 13 pounds.
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3 years ago
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What is the answer please help
Alekssandra [29.7K]

Answer:

x^2 + 3x -1

Step-by-step explanation:

f(x) = 3x-2

g(x) = x^2+1

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8 0
2 years ago
Simplify and write answer without parentheses
Elenna [48]

Answer:

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8 0
2 years ago
A mine worker is in a tunnel 25 feet below the ground. He descends another 13 feet. What is his final position? i already know t
Marina86 [1]

Answer:  -25 - 13

This simplifies to -38

So the worker's final position is 38 feet below the ground.

A diagram is shown below.

==========================================================

Explanation:

Draw a vertical number line. Plot 0 on it to indicate the ground level, or surface level. Then plot -25 on it, which is below 0. This is 25 feet below the ground.

To move 13 further feet downward, we will subtract 13 from -25. Subtracting a positive means we move downward.

For example, start at the 30th of a building. This is marked as +30 or just 30 on the vertical number line. Subtract off 13 to go down 13 floors and we have 30-13 = 17. So after going down 13 floors, we're at the 17th floor now.

Going back to the problem at hand, we start at -25 and subtract off 13 to get the final answer -25 - 13

The answer is not -25 - -13 and it is not -25 - (-13). This is because the two negatives cancel to be a positive. So -25 - (-13) becomes -25+13. Here we're starting at -25 but then going up 13 feet. Instead we want to go down 13 feet.

------------------------------------

After we determine the expression is -25 - 13 we will effectively add the positive versions of those numbers like so

25+13 = 38

But the final answer is negative because we're starting underground and moving further underground.

We can write it like this

-25 - 13 = -(25+13) = -(38) = -38

Therefore, if the worker starts off 25 feet underground, and moves 13 feet downward, then the worker ends up 38 feet underground. Again, use the vertical number line to help see this.

Check out the diagram below.

7 0
2 years ago
The 8th term of an arithmetic sequence is 12.5 and the 13th term is 20. What is the 25th term?
miv72 [106K]
From the 8th to the 13th there are five numbers, and the difference between the 8th and the 13th is 20-12.5=7.5, so the difference between two neighboring number is 7.5÷5=1.5
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so the 25th term is 20+18=38
7 0
2 years ago
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