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IgorC [24]
3 years ago
10

Parallel lines need answer quickly

Mathematics
2 answers:
faust18 [17]3 years ago
8 0

Answer:

124 + x = 180 \\  \\ x = 180 - 124 \\  \\ x = 56

it's a co inter angle

they sum is 180 degree

NeTakaya3 years ago
7 0

According to above figure,

The angles 124° and x are forming pair of co- interior angles which are supplementary.

so,

  • x + 124 \degree = 180 \degree

  • x = 180\degree - 124\degree

  • x = 56\degree
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Today, the mailman sorted 57 letters during his first hour of work, 69 letters during his second hour, 81 letters during his thi
mars1129 [50]
The answer is 93 

If we sorted out the number of each hours, the sequence will look like this

57 _    69  _  81  _ x  _ 105   

(in which x is the fourth hour of work)


We can see from the sequence that each hours, the mailman add additional 12 letters.
(69 - 57 = 12)
(81 - 69 = 12)   . . . . proof


So, the amount of letters on the fourth hour would be:
81 letters  + 12 letters = 93 Letters
5 0
3 years ago
gabby's piggy bank contains dimes and nickels worth $6.40. If she has 84 coins in all, how many of each does she have?
Sergeu [11.5K]
If we let Q be the number of quarters and N be number of nickels, this is the formula we would use:
[1] 25Q + 5N = 635 (using cents instead of dollars)


We also know something about Q and N.

[2] Q + N = 51


So multiply both sides of the second equation by 5. The reason we do this is because we're going to need to cancel out one of the variables (either Q or N) to solve for the other one. If we multiply times 5, we'll have 5N in both equations.
5Q + 5N = 255

Now we have two equations, and the second one can be subtracted from the first.

25Q + 5N = 635
-(5Q + 5N) = -255
---------------------
20Q = 380
so
Q = 19

There are 19 quarters.

And since there are 51 coins in all, 51-19 = 32 nickels.
5 0
2 years ago
There is a bag filled with 5 blue, 4 red and 3 green marbles.
valentinak56 [21]

Answer: 2/12 (1/6 simplified)

Step-by-step explanation:

5+4+3=12

2 marbles of the same color

2/12

2/2=1

12/2=6

4 0
3 years ago
1/4 ÷ 3<br> I don't know it pls help me
eduard

Answer: 1 / 12

Step-by-step explanation:

1 / 4 x 1 / 3 = 1 / 12

5 0
2 years ago
Read 2 more answers
What is 1/12 as an equivalent fraction with the LCM as the denominator?
KonstantinChe [14]

Answer:

1/12

Step-by-step explanation:

If I am wrong LMK

3 0
3 years ago
Read 2 more answers
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