Answer:
13
Step-by-step explanation:
36-10=$26 spent on rides
26/2=13
Answer: $130.50
Step-by-step explanation:
2.5 hours= $25 an hour
25+25+12.50=$62.50
Muffler=$65
65plus62.50
Total= $130.50
Answer:
D
Step-by-step explanation:
Given the equation - x² + 5x = 3, which can be rewritten as:
- x² + 5x - 3 = 0
where a = -1, b = 5 and c = -3.
Quadratic formula:
![\frac{-b\text{ }\pm\text{ }\sqrt[]{b^2\text{ - 4ac}}}{2a}](https://tex.z-dn.net/?f=%5Cfrac%7B-b%5Ctext%7B%20%7D%5Cpm%5Ctext%7B%20%7D%5Csqrt%5B%5D%7Bb%5E2%5Ctext%7B%20-%204ac%7D%7D%7D%7B2a%7D)
Now, we just replace the values of a, b and c on the equation above.
![\frac{-5\text{ }\pm\text{ }\sqrt[]{5^2\text{ - 4(-1)(3)}}}{2(-1)}](https://tex.z-dn.net/?f=%5Cfrac%7B-5%5Ctext%7B%20%7D%5Cpm%5Ctext%7B%20%7D%5Csqrt%5B%5D%7B5%5E2%5Ctext%7B%20-%204%28-1%29%283%29%7D%7D%7D%7B2%28-1%29%7D)
=
![\huge{\boxed{\frac{12}{14}}} \huge{\boxed{\frac{18}{21}}} \huge{\boxed{\frac{24}{28}}} \huge{\boxed{\frac{30}{35}}} \huge{\boxed{\frac{36}{42}}}](https://tex.z-dn.net/?f=%5Chuge%7B%5Cboxed%7B%5Cfrac%7B12%7D%7B14%7D%7D%7D%20%5Chuge%7B%5Cboxed%7B%5Cfrac%7B18%7D%7B21%7D%7D%7D%20%5Chuge%7B%5Cboxed%7B%5Cfrac%7B24%7D%7B28%7D%7D%7D%20%5Chuge%7B%5Cboxed%7B%5Cfrac%7B30%7D%7B35%7D%7D%7D%20%5Chuge%7B%5Cboxed%7B%5Cfrac%7B36%7D%7B42%7D%7D%7D)
One really simple way to find an equivalent fraction is just to multiply the numerator and denominator.
For example, for the first answer,
, I simply multiplied the numerator and denominator each by 2. This gives you an equivalent fraction.
You can then continue with this process using numbers such as 3, 4, 5, and 6 as your multiplication factor.