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arsen [322]
3 years ago
12

How are mixed numbers used in The real world

Mathematics
1 answer:
Jobisdone [24]3 years ago
3 0
Often, mixed number are used in terms of amounts of something. You would never say I have 16/5 pies. You would say I have 3 full pies and 1/5 of another pie. 

In this example, 3 1/5 is better to use than the improper 16/5

Hope this helps!
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If john makes a contribution to a charity fund at school, the average contribution size will increase by 50% reaching $75 per pe
Sonja [21]

Answer:

Z= 75*6 -250=200

So then the correct answer is B. $200.

Step-by-step explanation:

Notation

Let X be the average contribution size before John makes his contribution.

Let Y be the total contribution size before John makes his contribution.

Let Z be John's contribution.

We know that for this case $ 75 represent the original average amount before the contribution with 50% increase so we can set up the following equation in order to find the original average amount

1.5 X = 75

And solvong for X we got:

X = \frac{75}{1.5}= 50

Now we can find the total contribution before the donation with the following proportion:

\frac{50}{1}= \frac{Y}{5}

Y = 250

And then with the formula of average taking in count the 6 values we can find the size of donation Z like this:

\frac{Y+Z}{6}= 75

\frac{250+Z}{6}= 75

Z= 75*6 -250=200

So then the correct answer is B. $200.

5 0
3 years ago
Please help me with this work sheet
omeli [17]
Large frappe; x≥8 color in dot on 8 and shade right→

med capp; x less than 2 open circle on 2 shade left←

small tea; x≤4 color in dot on 4 shade left←

all; x greater than 2 open circle on 2 shade right→

This does not follow the instructions because 6 is not greater than or equal to 8
7 0
3 years ago
Simplify the square root of 3 times the fifth root of 3.
bogdanovich [222]

Answer:

<h2><em>Three to the three fifths power.</em></h2>

Step-by-step explanation:

The given expression is

\sqrt{3\sqrt[5]{3} }

To simplify this expression, we have to use a specific power property which allow us to transform a root into a power with a fractional exponent, the property states:

\sqrt[n]{x^{m}}=x^{\frac{m}{n}}

Applying the property, we have:

\sqrt{3\sqrt[5]{3}}=\sqrt{3(3)^{\frac{1}{5}}}=(3(3)^{\frac{1}{5}})^{\frac{1}{2}}

Now, we multiply exponents:

(3(3)^{\frac{1}{5}})^{\frac{1}{2}}\\3^{\frac{1}{2}}3^{\frac{1}{10}}

Then, we sum exponents to get the simplest form:

3^{\frac{1}{2}}3^{\frac{1}{10}}=3^{\frac{1}{2}+\frac{1}{10}} =3^{\frac{10+2}{20}}=3^{\frac{12}{20}}  \\\therefore \sqrt{3\sqrt[5]{3}}=3^{\frac{3}{5} }

Therefore, the right answer is <em>three to the three fifths power.</em>

3 0
3 years ago
Read 2 more answers
IO.7(4.2)+15.9=<br><br> 51.25+43.85+14=
katovenus [111]

Answer:

10.7(4.2)+15.9 equals 60.84

51.25+43.85+14 equals 109.1

7 0
3 years ago
Anna is solving this equation:
nordsb [41]

Answer:

7-6x+15=-3x-7

29=3x

x=29/3

the asnwer is D

3 0
3 years ago
Read 2 more answers
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