Answer: 79.2
Explanation: 110% as a decimal is 1.10
1.10 x 72=79.2
Answer:
Step-by-step explanation:
We know that the car travels at speed per hour. Thus, after hours, it will have traveled kilometres.
We are given that it traveled 300 kilometres after 3 hours. So, we have...
Answer:
15
Step-by-step explanation:
<u>Given:</u>
<u>Finding the value of a, solving the equation, considering the value of b=3: </u>
- 5a - 10*3 = 45
- 5a = 45+30
- 5a= 75
- a= 75/5
- a= 15
<u>Correct choice is</u> 15
This is something you memorize, have on a reference sheet/table, or use the unit circle.
Note: pi/4 radians = 45 degrees
Answer:
7x2-1 = 0
Step-by-step explanation:
Add 1 to both sides of the equation :
7x2 = 1
Divide both sides of the equation by 7:
x2 = 1/7 = 0.143
When two things are equal, their square roots are equal. Taking the square root of the two sides of the equation we get:
x = ± √ 1/7