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3 years ago

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

Mathematics

1 answer:

Elan Coil [88]3 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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3 years ago

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3 years ago

Enter an equation for the function that includes the points.Give your answer in a(b)x. In the event that a=1 , give your answer

Andrews [41]

Answer:

$f(x) = \frac{24}{25} * \frac{5}{6}^x$

Step-by-step explanation:

Given

$(x_1,y_1) = (2,\frac{2}{3})$

$(x_2,y_2) = (3,\frac{5}{9})$

Required

Write the equation of the function $f(x) = ab^x$

Express the function as:

$y = ab^x$

In: $(x_1,y_1) = (2,\frac{2}{3})$

$y = ab^x$

$\frac{2}{3} = a * b^2$ --- (1)

In $(x_2,y_2) = (3,\frac{5}{9})$

$y = ab^x$

$\frac{5}{9} = a * b^3$ --- (2)

Divide (2) by (1)

$\frac{5}{9}/\frac{2}{3} = \frac{a*b^3}{a*b^2}$

$\frac{5}{9}/\frac{2}{3} = b$

$\frac{5}{9}*\frac{3}{2} = b$

$\frac{5}{3}*\frac{1}{2} = b$

$\frac{5}{6} = b$

$b = \frac{5}{6}$

Substitute 5/6 for b in (1)

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$\frac{2}{3} = a * \frac{5}{6}^2$

$\frac{2}{3} = a * \frac{25}{36}$

$a = \frac{2}{3} * \frac{36}{25}$

$a = \frac{2}{1} * \frac{12}{25}$

$a = \frac{24}{25}$

The function: $f(x) = ab^x$

$f(x) = \frac{24}{25} * \frac{5}{6}^x$

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3 years ago

5 2/5 x 9 2/10<br><br> Please help *multiplying fractions

Maurinko [17]

Answer:

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Step-by-step explanation:

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3 years ago

At a grocery store, the price of milk decreased from $2.98 to $2.32. What is the percent of decrease, round to the nearest whole

mr Goodwill [35]

2.98=100%
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3 years ago

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