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Semenov [28]
2 years ago
8

Need help to solve this problem 5 3/5 x 8 2/3 =

Mathematics
1 answer:
Elan Coil [88]2 years ago
6 0

Answer:

I used to hate fractions.

So, first we have to convert the mixed fraction(with the number in front of the fraction) into a fraction without a number in front of it.

To do that we would need to 'insert' it into the numerator and then multiply it by the denominator:

5\frac{3}{5} =\frac{5*5+3}{5} =\frac{28}{5}

See? Kind of easy.

Let's do it for the second one!

8\frac{2}{3}=\frac{8*3+2}{3} =\frac{26}{3}

There could be a better way, but I forget if there is one. (I'm used to using a calculator and decimals).

So, let's multiply!

\frac{28}{5} *\frac{26}{3} =\frac{28*26}{5*3}=\frac{728}{15}

Can't be simplified more.

Hope this helps!

P.S. Stay Safe!

FYI the answer is 728/15

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Answer:

total =248

sodas=3x

hot dogs=x

3x+x=248

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x=62

hot dogs =62

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5 0
3 years ago
A lady buys 20 trinkets at a yard sale.
Katen [24]

Answer:

Lady purchased 12 trinkets costing $0.30 each and 8 trinkets costing $0.65 each.

Step-by-step explanation:

A lady buys total number of trinkets = 20

Cost of each trinket is either $0.30 or $0.65.

Let the number of trinkets is x she purchased for $0.30 and y for $0.65

Then x + y = 20 --------(1)

Since she spends total amount = $8.80

Then the equation will be

0.30x + 0.65y = 8.80 ---------(2)

We replace x = (20 - y) from equation (1) to equation (2)

0.30(20 - y) + 0.65y = 8.80

6 - 0.30y + 0.65y = 8.80

0.35y + 6 = 8.80

0.35y = 8.80 - 6

0.35y = 2.80

y = \frac{2.80}{0.35}

y = 8

Now we put y = 8 in equation (1)

x + 8 = 20

x = 20 - 8

x = 12

Therefore, lady purchased 12 trinkets costing $0.30 each and 8 trinkets costing $0.65 each.

7 0
3 years ago
What is x^2 + y^2 - 4x + 12y -20= 0 factored
andrew11 [14]
<span>Simplifying
4x2 + 8xy + 4y2

Reorder the terms:
8xy + 4x2 + 4y2

Factor out the Greatest Common Factor (GCF), '4'.
4(2xy + x2 + y2)
 
Factor a trinomial.
4((x + y)(x + y))

Final result:
4(x + y)(x + y)</span>
4 0
3 years ago
a fish is 73 feet below sea level. It then swims 14 feet toward the surface. How many feet below sea level is the fish how?
baherus [9]
He is 59 feet on sea level because 73 - 14 = 59

7 0
3 years ago
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Paraphin [41]

Answer:

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m wrong this is just how I was taught )

7 0
2 years ago
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