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Pavel [41]
3 years ago
9

3 3/4 divided by 5/7

Mathematics
2 answers:
suter [353]3 years ago
8 0

Answer:

3/28

Step-by-step explanation:

Ksju [112]3 years ago
5 0

Answer:

\frac{21}{4}

Step-by-step explanation:

So to start, you need to make 3 \frac{3}{4\\} into an improper fraction, which will give you \frac{15}{4}. Then to make it easier, instead of dividing it by \frac{5}{7}, multiply it by the reciprocal ( \frac{7}{5} )

Your new expression should look like this:

    \frac{15}{4} x \frac{7}{5}

To make it even easier, you can simplify this expression even further. Looking at the numerators and denominators, we see that we have a 15 on top and a 5 on the bottom. Cross out the 5 and put a 1 in its place since 5 goes into 5 one time! Now we have to do it to the 15... Cross out the 15 and put a 3 since 5 goes into 15 three times!

Your simplified expression should look like this:

    \frac{3}{4} x \frac{7}{1}

Now, just multiply the numerators and the denominators to get your final answer of

    \frac{21}{4}

Since you cannot simplify this anymore, that is your answer!!!

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if he allows 40 people to choose a treat from the bag about how many lizard lollis can he expect to give away
kirill [66]

Answer:

20 Lizard lollies.

Step-by-step explanation:

There are 10 lizard lollis.  This is out of 10+4+6 = 20 total treats.  This makes the probability of drawing a lizard lollis 10/20 = 1/2.

This means out of 40 treats handed out, we can expect him to give out 1/2(40) = 20 lizard lollis.

8 0
3 years ago
What is the square root of 50x^4
love history [14]

Answer:

5x²√2

Step-by-step explanation:

√50x^{4}

The <em>square root of x^4 is x²</em>.

The <em>square root of 50 is 5√2</em>.

Multiplying those two gives us 5x²√2

6 0
3 years ago
Can someone help me out with this at all?
dsp73

Answer:

1 maps to 1

2 maps to 3

3 maps to 2

Step-by-step explanation:

the correctly assigned answer options describe everything.

there is not much else to say and explain.

these are all true statements due to the symmetry principle of a circle.

when 2 direct connections of two points on the circumference of a circle have the same length, then also their bent distances on the circumference of the circle are the same. and vice versa.

and yes, the perpendicular radius (or diameter) of the circle towards such a line cuts this line in half.

6 0
3 years ago
A set of piano prices distributed at a mean of 3000 and a standard deviation of 200 dollars. An electric piano has a price of 25
lana [24]

Answer:

The proportion of piano prices higher than the electric piano is 98.3%

Step-by-step explanation:

The first thing to do here is to calculate the standard score of the price of the electric piano given.

Mathematically, this is

z-score = (x-mean)/SD

where mean is 3000 and SD is 200, x is 2576

z-score = (2576-3000)/200 = -2.12

Now we proceed to calculate the probability of this z-score

The probability we are trying to calculate is

P( x > $2576) or simply P ( z > -2.12)

Using standard score probability calculator or table, we have

P(x>2576) = 1 - P(x<2576)

But, P(x<2576) = 0.017003

P(x>2576) = 1 - P(x<2576) = 0.983

This is same as 98.3%

4 0
3 years ago
What is the rate of exchange ? i dont understand what its asking
kirill115 [55]
Simple
like when you buy something at the store. the person is selling products to you
8 0
3 years ago
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