After you've calculated a least common multiple, always check to be sure your answer can be divided evenly by both numbers. Find the LCM of these sets of numbers. Multiply each factor the greatest number of times it occurs in any of the numbers. 9 has two 3's, and 21 has one 7, so we multiply 3 two times, and 7 once.
Answer:
The number Jane is thinking of is 42.
Step-by-step explanation:
45-3
=42
Vous êtes les bienvenus...
Answer:
15
Step-by-step explanation:
5÷1+3+7
PEMDAS
Parenthesis
Exponents
Multiplication
Division
Addition
Subtraction
5÷1= 5, then 5+3=8, then 8+7= 15
Answer:
AC = 8 The classification is isosceles
Step-by-step explanation:
Answer:
$8.75
Step-by-step explanation:
Create a proportion where x is the cost for 7 bags:
=
Cross multiply and solve for x:
4x = 35
x = 8.75
So, the cost of 7 bags is $8.75