Easy, showing work,
using the method FOIL (First,Outer,Inner, Last)
Take, (x+3)(x+5) and multiply,
First,
x*x=
Outer,
x*5=5x
Inner,
3*x=3x
Last,
3*5=15
Add the terms together,
+8x+15 (
+5x+3x+15)
Thus, your answer.
Square root 39 = 6.24
The two consecutive numbers would be between 6 and 7
Answer: 55 miles per hour
Step-by-step explanation:
Here is the complete question:
Seth's family plans to drive 220 miles to their vacation spot. They would like to complete the drive in 4 hours.
Find the average speed in miles per hour needed to make the trip in the desired.
From the question, Seth's family plans to drive 220 miles to their vacation spot and they would like to complete the drive in 4 hours.
Average speed is calculated as distance travelled divided by the time taken. This will be:
Speed = Distance/Time
Average speed = 220/4
Average speed = 55 miles per hour
0 pennies and 5 nickels
5 pennies and 4 nickels
10 pennies and 3 nickels
15 pennies and 2 nickels
20 pennies and 1 nickel
25 pennies and 0 nickels
exponent 2. A Variable is a symbol for a number we don't know yet. It is usually a letter like x or y. An exponent (such as the 2 in x2) says how many times to use the variable in a multiplication. ... There will often be constants (numbers like 3, 2.9, ½ etc) mixed in as well. ... Now remove any matching "y"s that are both top ...
