Answer:
the answer is 120
Step-by-step explanation:
45+75 5+5=10 so carry the one and 7+4=11+1=12
Answer:
30
/ \
3 10
/ \
5 2
3 x 5 x 2
Step-by-step explanation:
A prime fatorization tree is a visual representation of a number that is broken down into only prime factors. Prime numbers are numbers that only have two factors, one and itself. For example, 5 is a prime number because the only factors of 5 are 1 and 5. In the case of 30, we can first use the factors '3' and '10'. Then breaking '10' down into factors of '5' and '2' gives you an overall answer of 3 x 5 x 2.
Answer:
4
Step-by-step explanation:
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List the multiples of each qty:
7, 14, 21, 28,35,42,49,56,63
9, 18, 27, 36, 45, 54, 63
The least common multiple is 63
He bought 63 hotdogs and buns
We have to evaluate the summation of (3n+2), with n ranging from 1 to 14. Let's write all the terms of the sum for each value of n:
n=1:
n=2:
n=3:
n=4:
n=5:
n=6:
n=7:
n=8:
n=9:
n=10:
n=11:
n=12:
n=13:
n=14:
Now, let's sum all the terms together, and we get: