Answer: Hello Danielle i hope your having a wonderful day!
Step-by-step explanation: X = 19
Have a great day.
Answer:
34
Step-by-step explanation:
34 because i beleive so
Answer:
![\frac{180}{147}](https://tex.z-dn.net/?f=%5Cfrac%7B180%7D%7B147%7D)
Step-by-step explanation:
- Simplify
![(\frac{3}{-7} - \frac{11}{21} )](https://tex.z-dn.net/?f=%28%5Cfrac%7B3%7D%7B-7%7D%20-%20%5Cfrac%7B11%7D%7B21%7D%20%29)
![=> \frac{(-3 \times 3) - 11}{21}](https://tex.z-dn.net/?f=%3D%3E%20%5Cfrac%7B%28-3%20%5Ctimes%203%29%20-%2011%7D%7B21%7D)
![=> \frac{-9 - 11}{21}](https://tex.z-dn.net/?f=%3D%3E%20%5Cfrac%7B-9%20-%2011%7D%7B21%7D)
![=> \frac{-20}{21}](https://tex.z-dn.net/?f=%3D%3E%20%5Cfrac%7B-20%7D%7B21%7D)
- Find the additive inverse of
by using its property - <em>"Sum of a number & its additive inverse is always zero". </em>Assume that 'x' is an additive inverse of
.
![=> x + \frac{-20}{21} = 0](https://tex.z-dn.net/?f=%3D%3E%20x%20%2B%20%5Cfrac%7B-20%7D%7B21%7D%20%3D%200)
![=> x = 0 - (-\frac{20}{21}) = \frac{20}{21}](https://tex.z-dn.net/?f=%3D%3E%20x%20%3D%200%20-%20%28-%5Cfrac%7B20%7D%7B21%7D%29%20%3D%20%5Cfrac%7B20%7D%7B21%7D)
- Simplify
![(\frac{9}{5} \div \frac{7}{5} )](https://tex.z-dn.net/?f=%28%5Cfrac%7B9%7D%7B5%7D%20%5Cdiv%20%5Cfrac%7B7%7D%7B5%7D%20%29)
![=> \frac{9}{5} \times \frac{1}{\frac{7}{5} }](https://tex.z-dn.net/?f=%3D%3E%20%5Cfrac%7B9%7D%7B5%7D%20%5Ctimes%20%5Cfrac%7B1%7D%7B%5Cfrac%7B7%7D%7B5%7D%20%7D)
![=> \frac{9}{5} \times \frac{5}{7}](https://tex.z-dn.net/?f=%3D%3E%20%5Cfrac%7B9%7D%7B5%7D%20%5Ctimes%20%5Cfrac%7B5%7D%7B7%7D)
![=> \frac{9}{7}](https://tex.z-dn.net/?f=%3D%3E%20%5Cfrac%7B9%7D%7B7%7D)
- Now, find the product of
& ![\frac{20}{21}](https://tex.z-dn.net/?f=%5Cfrac%7B20%7D%7B21%7D)
![=> \frac{9}{7} \times \frac{20}{21}](https://tex.z-dn.net/?f=%3D%3E%20%5Cfrac%7B9%7D%7B7%7D%20%5Ctimes%20%5Cfrac%7B20%7D%7B21%7D)
![=> \frac{180}{147}](https://tex.z-dn.net/?f=%3D%3E%20%5Cfrac%7B180%7D%7B147%7D)
Answer:
3
Step-by-step explanation:
5 1/2 = 5 × 2 + 1/2 = 11/2
3 5/8 = 3 × 8 + 5/8 = 29/8
Now,
5 1/2 - 3 5/8 = 11/2 - 29/8
11/2 - 29/8
11 × 8 - 29 × 2/8 × 2
88 - 58/10
30/10 = 3
Thus, 5 1/2 - 3 5/8 = 3
-<u>T</u><u>h</u><u>e</u><u>U</u><u>n</u><u>k</u><u>n</u><u>o</u><u>w</u><u>n</u><u>S</u><u>c</u><u>i</u><u>e</u><u>n</u><u>t</u><u>i</u><u>s</u><u>t</u>
Answer:
Step-by-step explanation:
The first thing you have to do, is rewrite the given expression
![Ar^{-2} = \frac{A}{r^{2} }](https://tex.z-dn.net/?f=Ar%5E%7B-2%7D%20%3D%20%5Cfrac%7BA%7D%7Br%5E%7B2%7D%20%7D)
Then you plug in the given values
![\frac{A}{r^{2} } = \frac{50.265}{4^{2} }](https://tex.z-dn.net/?f=%5Cfrac%7BA%7D%7Br%5E%7B2%7D%20%7D%20%3D%20%5Cfrac%7B50.265%7D%7B4%5E%7B2%7D%20%7D)
Finally you simplify
![\frac{50.265}{4^{2} }=\frac{50.265}{16} = 3.142](https://tex.z-dn.net/?f=%5Cfrac%7B50.265%7D%7B4%5E%7B2%7D%20%7D%3D%5Cfrac%7B50.265%7D%7B16%7D%20%3D%203.142)