Answer:
86% of 950 is 817
Step-by-step explanation:
You convert the fraction into a decimal by moving the point two spaces to the left. You then multiply .87 by 950 to get 817
Answer:
![\large\boxed{\dfrac{x-4}{x+2}}](https://tex.z-dn.net/?f=%5Clarge%5Cboxed%7B%5Cdfrac%7Bx-4%7D%7Bx%2B2%7D%7D)
Step-by-step explanation:
![\dfrac{x^2-16}{x^2+6x+8}=\dfrac{x^2-4^2}{x^2+4x+2x+8}\qquad\text{use}\ a^2-b^2=(a-b)(a+b)\\\\=\dfrac{(x-4)(x+4)}{x(x+4)+2(x+4)}=\dfrac{(x-4)(x+4)}{(x+4)(x+2)}\qquad\text{cancel}\ (x+4)\\\\=\dfrac{x-4}{x+2}](https://tex.z-dn.net/?f=%5Cdfrac%7Bx%5E2-16%7D%7Bx%5E2%2B6x%2B8%7D%3D%5Cdfrac%7Bx%5E2-4%5E2%7D%7Bx%5E2%2B4x%2B2x%2B8%7D%5Cqquad%5Ctext%7Buse%7D%5C%20a%5E2-b%5E2%3D%28a-b%29%28a%2Bb%29%5C%5C%5C%5C%3D%5Cdfrac%7B%28x-4%29%28x%2B4%29%7D%7Bx%28x%2B4%29%2B2%28x%2B4%29%7D%3D%5Cdfrac%7B%28x-4%29%28x%2B4%29%7D%7B%28x%2B4%29%28x%2B2%29%7D%5Cqquad%5Ctext%7Bcancel%7D%5C%20%28x%2B4%29%5C%5C%5C%5C%3D%5Cdfrac%7Bx-4%7D%7Bx%2B2%7D)
Answer:
She bought 5 calendars.
Step-by-step explanation:
Let Craig bough x calendars.
The cost of 3 calendars is $27.
Hence, the cost of 1 calendar is 27/3 = $9
Now, it has been given that she spent another $18 for more calendars. And we have calculated that cost of 1 calendar is $9.
Hence, in $18 she could buy 2 more calendars.
Therefore, the number of calendars she bought is given by
3 + 2
= 5
She bought 5 calendars
Answer:
94 degrees
Step-by-step explanation:
Answer:
A. 0.75
B. Elsa can expect to gain 0.75 dollars
Step-by-step explanation:
We have six outcomes
Using the table in the attachment, the expected value was calculated.
Expected value = 0.166667+0.3333+0.5-0.083333-0.083333-0.083333
= 0.75
B. From the answer in part A , we can conclude that Elsa can expect to gain money. She can expect to win 0.75 dollars per roll.