Original number 21.4709
Rounded to the nearest hundredth 21.471
Answer:
30 days
Step-by-step explanation:
We solve the above question using Lowest Common Multiple Method.
Find and list multiples of each number until the first common multiple is found. This is the lowest common multiple.
Multiples of 6:
6, 12, 18, 24, 30, 36, 42
Multiples of 15:
15, 30, 45, 60
Therefore,
LCM(6, 15) = 30
Therefore, the NEXT time he will be cleaning his room and washing his windows on the same day is in 30 days time
Part A:
The circumference of the circle is 197.92.
Explanation:
The formula for circumference of a circle is C=2 πr. If you insert the numbers, it would be C=2 x 3.14 x 31.5. Hence, the answer is 197.92.
Part B:
The area is 3117.25 square cm.
Explanation:
The formula for area of a circle is A= πr ². Inserting the numbers, it is A=3.14 x 31.5 ². Therefore the answer is 3117.25 cm ².
The mathematical statement of 14 + 10 is fourteen added to ten
<h3>What is 14+10 written as an algebraic expression?</h3>
The expression is given as:
14 + 10
The above expression is an algebraic expression, and it cannot be "rewritten" as an algebraic expression
Instead, it can be expressed as mathematical statement
The mathematical statement of 14 + 10 is fourteen added to ten
Read more about expression at
brainly.com/question/723406
#SPJ1
ANSWER IS 5
so
how many years ago=x
so
'in how many years ago (-x) was ethan 5 times older than son
40-x means ethan's age x years ago
12-x means son's age x years ago
so
ethan's age x years ago is 5 times as much as son's age 5 years ago
40-x=5(12-x)
distribute using a(b+c)=ab+ac
40-x=60-5x
add 5x
40+4x=60
subtract 40
4x=20
divide 4
x=5
ANSWER IS 5 years
