Let be "n" the number mentioned in the exercise.
You need to remember that:
1. In Math word problems:
- The word "times" means multiplication.
- The word "twice" indicates that something is multiplied by 2.
- "Sum" is the result of an Addition.
2. In inequalities, "Less than" is represented with the following symbol:
Then, based on the above, you know that "3 times a number" can be expressed as:
And "Twice the same number":
Therefore, "The sum of 3 times a number and twice the same number is less than 45" can be represented with the following inequality:
The answer is: Option a.
Answer:
A - 1lb at $3.00
Step-by-step explanation:
Determine the price per ounce
A. there are 16 oz in one pound (3.00/16oz= 0.1875 per oz
B 2.50/12oz = 0.208333 / per oz
Answer: B
About half of her students plan to take time off this summer.
Step-by-step explanation:
180=w+x+y and 180=y+z so
w+x+y=z+y so subtract y from both sides
w+x=z
We know that the line segment drawn from the center of circle to any chord , bisects the chord
So the other part fo the chord is also 6.5
And the radius is 8
, So we can now apply the pythagorean theorem , in the triangle
So
taking square root on both sides
x = 4.6637
x=4.7