Try to simplify 72/6+85/6

Answers

Answer 1

Answer: 72 + 85 = 157

157/6 = 26
26*6 = 156
26 and 1/6

Answer: 26 and 1/6

Answer 2

Answer: 72/6+ 85/6
= (72+ 85)/6
= 157/6
= (156+1)/ 6
= 156/6+ 1/6
= 26+ 1/6
= 26 1/6

The final answer is 26 1/6~

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Which is a solution to (x – 3)(x + 9) = -27?
What order from least to greatest 3/5 3/7 3/4

Two friends share 5 packs of gum . What fraction represents each friends share?

Answers

1/5 it is pronounced one fith

How could you explain that 21/30 is greater than 2/3?

Answers

well its greater than 2/3, because 2/3= 20/30, so 21/30 is greater.

To begin with, 2/3 can also be written as 20/30
Now we see that 21 is greater than 20.
So, in this one way we can say that 21/30 is slightly greater than 2/3.
Still didnt understand?
Lets go deep down, Maybe converting the fraction to a decimal will be good.
So when we convert the fraction 21/30, it gives us the decimal value:0.7
The same thing with 2/3, it gives us a non-ending decimal value:0.6667
However, dont get confused by the fact that 0.66667 is so close to 0.7
Although it is close enough, 0.7 is still higher.
In closure, 21/30 is greater than 2/3

Find the quadratic regression for (-1,1) , (0,0) , (1,1)

Answers

3 points define a parabola, so the regression will be unique. You want to find a quadratic polynomial $P_2(x)=\beta_0+\beta_1x+\beta_2x^2$ such that

$\begin{cases}\beta_0-\beta_1+\beta_2=1\n\beta_0=0\n\beta_0+\beta_1+\beta_2=1\end{cases}$

where the system above is generated by setting $P_2(-1)=1$ , $P_2(0)=0$ , and $P_2(1)=1$ .

Since $\beta_0=0$ , we have

$\begin{cases}-\beta_1+\beta_2=1\n\beta_1+\beta_2=1\end{cases}\implies2\beta_2=2\implies\beta_2=1\implies\beta_1=0$

So the regression for the given data points is $P_2(x)=x^2$ .

A painter mixed 1
7
quart of red paint with
6
7
blue paint to make purple paint.

1
1
7

1
7

1
7

1
7

1
7

1
7

1
7

How much purple paint did the painter make?

The painter made quart of purple paint.

Answers

the painter didn't make purple paint they only made one quart of red paint

3. Which one doesn't belong? Give a reason why each square does not belong.B. 20%
A. 15%
D. 110%
C. 8%

Answers

Answer:

C. 8%

Step-by-step explanation:

Because everyone can get divided by 5 equally besides 8

which is a good comparison of the estimated sum and the actual sum of 7 10/12+2 11/12? Greater or lesser

Answers

i would estimate 7 10/12 to 8 and i would estimate 2 11/12 to 3 so 8 plus 3 would equal 11 so that would be the estimate. the actual would be 10 8/11 so the estimate would be bigger.

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