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zysi [14]
3 years ago
7

How many three-digit even numbers can be formed using digits from the set {1, 2, 3, 4, 5, 6, 7}

Mathematics
1 answer:
castortr0y [4]3 years ago
6 0
The unit numbers can be 2,4,6.Suppose 2 as the unit number we can form 20 numbers the same way for 4 and 6 so totally 60 numbers.
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Please help me if you can. Please also write how you got the answer thank you.
vaieri [72.5K]

Answer:

The three numbers are 341, 342, and 343

Step-by-step explanation:

We start by assigning X to the first integer. Since they are consecutive, it means that the 2nd number will be X + 1 and the 3rd number will be X + 2 and they should all add up to 1026. Therefore, you can write the equation as follows:

(X) + (X + 1) + (X + 2) = 1026

To solve for X, you first add the integers together and the X variables together. Then you subtract three from each side, followed by dividing by 3 on each side. Here is the work to show our math:

X + X + 1 + X + 2 = 1026

3X + 3 = 1026

3X + 3 - 3 = 1026 - 3

3X = 1023

3X/3 = 1023/3

X = 341

Which means that the first number is 341, the second number is 341 + 1 and the third number is 341 + 2. Therefore, three consecutive integers that add up to 1026 are 341, 342, and 343.

341 + 342 + 343 = 1026

We know our answer is correct because 341 + 342 + 343 equals 1026 as displayed above.

6 0
3 years ago
Which absolute value represents a number less than |−0.14|?
____ [38]

Answer:

A- l-0.13l

Step-by-step explanation:

l-0.14l is the same as 0.14

l0.13l is the same as 0.13

l-0.18l is the same as 0.18

l-0.2l is the same as 0.2

l14l is the same as 14

The only value that is less that 0.14 is 0.13, making A the correct answer.

3 0
3 years ago
Twice the sum of a number and 7 is equal to three times the difference of the number and 4
Studentka2010 [4]
13 is the number your welcome
6 0
3 years ago
I will mark branliest please help<br>Find the value of x.
Novosadov [1.4K]

Answer:

The estimated equison will be 38% for the mark

Step-by-step explanation:

and dat will be answer for u

3 0
3 years ago
A sanitation company charges $4 per bag for garbage pickup plus a $10 weekly fee. a restaurant has 14 bags of g garbage. what wi
Alex
4x14=56   Add $10 to that = $66 is what they will pay.
7 0
3 years ago
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