Answer:
Step-by-step explanation:
Equation is below
Step 1
4y-7 evaluating
Step 2
4y-7 Substitute y for 3
(4)(3)-7
Step 3
(4)(3)-7 Now simplify
12-7
5
Answer
5
Hope this helps
Option 3
Rewrite the second equation and subtract the first. This is like changing the sign on every term of the first equation
Answer:
Step-by-step explanation:
Mean is just another word for average. To find the average, add up all the values then divide by the number of values.
There are 7 values in the first data set. The average is:
(3 + 4 + 6 + 4 + 3 + 1 + 4) / 7 = 25/7 ≈ 3.57
There are 7 values in the second data set. The average is:
(6 + 7 + 2 + 4 + 5 + 5 + 3) / 7 = 32/7 ≈ 4.57
Each student has 8/5 or 1.6 of the cake
Answer:
See Explanation!
Step-by-step explanation:
When multiplying fractions, you do not need a common denominator, and the entire fraction gets multiplied across, however when adding or subtracting fractions, you must have a common denominator, and then only compute the numerator, as the bases are already the same
