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Dovator [93]
3 years ago
13

there are 2 numbers. they both have a highest common factor of 3, and a lowest common multiple of 45. what are the numbers.

Mathematics
1 answer:
GarryVolchara [31]3 years ago
4 0

Answer:

9 and 15

Step-by-step explanation:

lowest common multiple 45

9, 18, 27, 36, 45, 54, 63, 72, 81, 90

15, 30, 45

HCF

3 X 3 = 9

3 X 5 = 15

3 is hcf

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Darina [25.2K]

Answer: 140 degrees

A straight line is 180 degrees. Since we know one of the angles in the line is 40, we just subtract 40 from 180. So, the measure of angle 1 plus the measure of angle 2 is 140 degrees.

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6 0
2 years ago
What is the slope of the line that passes through the points (4,10) and (1,10) in simplest form​
GuDViN [60]

Answer:

0

Step-by-step explanation:

We can find the slope by using

m = (y2-y1)/(x2-x1)

   = (10-10)/(1-4)

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7 0
3 years ago
A group of 2 adults and 4 children spent $38 on tickets to a museum. A group of 3 adults and 3 children spent $40.50 on tickets
mrs_skeptik [129]

Answer:

adult $8.00

child $5.50

Step-by-step explanation:

Let the price of 1 adult ticket = x.

Let the price of 1 child ticket = y.

2x + 4y = 38

3x + 3y = 40.5

Multiply the first equation by 3. Multiply the second equation by -2. Then add them.

         6x + 12y = 114

(+)      -6x - 6y = -81

-----------------------------

                  6y = 33

y = 33/6

y = 5.5

2x + 4y = 38

2x + 4(5.5) = 38

2x + 22 = 38

2x = 16

x = 8

Answer:

adult $8.00

child $5.50

4 0
2 years ago
Read 2 more answers
Consider the equation:
Alenkasestr [34]

Answer:

the equation is not correct....

well, it should look sth. like (x+or- number)^2=number

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3 years ago
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Thanks dude!

Step-by-step explanation:

Can i have brainly?

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2 years ago
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