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VashaNatasha [74]
3 years ago
7

How many times does 21 go into 76? (With a remainder)

Mathematics
1 answer:
11Alexandr11 [23.1K]3 years ago
3 0
21 goes into 76 3 times with a remainder of 8 left
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What is the outlier of the data set 7, 15, 15, 15, 13, 7, 9, 11, 24
eduard

Answer:

24

Step-by-step explanation:

The outlier is the value that is far from the other values in the set

24 is far from the other values

7 0
3 years ago
3/4 of the shirts in a store are black. 50% of the shirts are white and the remaining 12 shirts are red. How many black masks ar
saul85 [17]

Answer:

There are total 96 shirts out of which  72 are black and  12 are white and 12 are red.

Step-by-step explanation:

Let the total number of shirts be x.

Then 3/4= 0.75 shirts are black

50% or 50/100 =0.5  of 1/4 ( 1-3/4) remaining are white

and 12 are red

x= 0.75x+0.125x+12

x= 0.875x+ 12

x-0.875x= 12

0.125x= 12

x= 12/0.125

x= 96

There are total 96 shirts out of which 3/4 are black

96*0.75= 72 are black and

96*0.25= 24  are left behind out of which 50% are white.

12 are white and 12 are red.

4 0
3 years ago
Bree had 52 pens scattered on her desk.She wanted to organize them.
ziro4ka [17]
Answer: The operation is “division” and the answer is “13 pens in each”.
Explanation: 52 divided by 4 = 13
7 0
2 years ago
Expand ( x - 1/x^2)^4
emmainna [20.7K]

Answer:

We want to expand the expression:

(x - \frac{1}{x^2} )^4

We can just do it by brute force, this is:

First, rewrite our expression as the product of two square factors:

(x - \frac{1}{x^2} )^4 = (x - \frac{1}{x^2} )^2*(x - \frac{1}{x^2} )^2

Now we can expand each one these two factors:

(x - \frac{1}{x^2} )^2 = (x - \frac{1}{x^2} )*(x - \frac{1}{x^2} ) = x^2 + \frac{1}{x^4} -2*x*\frac{1}{x^2}

That can be simplified to

x^2 - \frac{2}{x} + \frac{1}{x^4}

Now we can replace that in our original expression to get:

(x^2 - \frac{2}{x} + \frac{1}{x^4})*(x^2 - \frac{2}{x} + \frac{1}{x^4})

Now we can expand that last product, to get:

(x^2)^2 + 2*(x^2)*(-\frac{2}{x} ) + 2*(x^2)*(\frac{1}{x^4}) + 2*(\frac{-2}{x})*(\frac{1}{x^4}) + (\frac{-2}{x}  )^2 + (\frac{1}{x^4})^2

We can simplify that to:

x^4 - 4x + 2x^2 - \frac{4}{x^5}  + \frac{4}{x^2} + \frac{1}{x^8}

That is the expanded expression.

6 0
2 years ago
-10=-4/5y+6<br> Can you help me solve this and show work
PilotLPTM [1.2K]
Multiply everything by 5:

5(-10)=5(-4/5y+6)

Then solve:

-30=-4y+30

Then subtract 30 from both sides:

-60=4y

Then divide:

15=y

7 0
2 years ago
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