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maria [59]
4 years ago
14

How many 3-digit even numbers are that begin with either 5 or 6?

Mathematics
2 answers:
mojhsa [17]4 years ago
8 0
Answer: 100 3 digit even number that begin with either 5 or 6

Explanation:
Case 1:
A 3 digit that begin with 5 should be 500-599 so there are 100 numbers
But we are only finding even number
So 100/2 = 50 3-digit even number that begin with 5.

Case 2:
A 3 digit that begin 6 should have
600-699 and there are also 100 number including even and odd in total. Since we are only finding even number we get:
100/2 = 50 3-digit even number that begin with 6.

Plus both case together we get 50 3-digit even number that begin with 5 + 50 3-digit even number that begin with 6= 50 + 50 = 100
Alex17521 [72]4 years ago
5 0

Answer:

100

Step-by-step explanation:

500 to 599 =100 100/2=50

600 to 699=100 100/2=50

50+50=100

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The prime factorization of 396 is _____ .
Elena L [17]

Answer:

396 : 2 * 2 * 3 * 3 * 11

Step-by-step explanation:

using long division of prime factors, you will end up with the following:

396 : 2 * 2 * 3 * 3 * 11

4 0
3 years ago
What is the area of this square?
Sergio [31]
<h3>Answer: D) 144 square cm</h3>

========================================================

Explanation:

A square has all four sides that are the same length. So all four sides are 12 cm

area = side*side = 12*12 = 144 cm^2

Or you could say

area = (side)^2 = (12)^2 = 144 cm^2

Squaring a number is the same as multiplying it by itself. Hence the name "square" refers to a side length pairing up with its corresponding area value.

---------

Side note: The perimeter is 4*(side) = 4*12 = 48 cm. It's possible that choice B is put in there as a trick answer.

3 0
3 years ago
Read 2 more answers
Help me in all of these,plz show your work
jenyasd209 [6]
To find the area of all of the figures, all you need to do is base x height or the length x width.
Your answers for 1-6 are all correct.
For 7-9, remember that the area is the length times the width. 
7) length x width, 42 x 30=1260 
8) 17 x 22= 374
9) Since the length and width are the same in a square just multiply the side by itself. 2.7 x 2.7= 7.29
Hope this helps.
5 0
3 years ago
A restaurant bill is $59 and you pay $75. What percentage gratuity did you pay?
rewona [7]

Answer:22%

Step-by-step explanation:

3 0
3 years ago
In a box there are five dimes, two quarters, and three pennies. If a coin is selected at random, what is the probability that it
Sphinxa [80]

Answer:

Quarter

Step-by-step explanation:

Quarter, because it is a bigger item so it would probobly easily be picked.

8 0
3 years ago
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