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Dvinal [7]
3 years ago
9

The difference between two numbers is 9. The first number plus twice the other number is 27.Find the two numbers.

Mathematics
1 answer:
vodka [1.7K]3 years ago
4 0
The numbers are 3 and 12. 12 and 3 have a difference of 9 and 3+12+12=27.
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Vlada [557]

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3 years ago
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How many more pairs of parallel sides does a regular octagon have than a
iVinArrow [24]

Answer:

A

Step-by-step explanation:

5 0
3 years ago
What is the correct answer? ​
Nastasia [14]

Answer:

C)   (-3, -1)

Step-by-step explanation:

y = 5/3x + 4

  When x = 0, y = 4

  When y = 0, x = -2.4

  graph the points: (0, 4) and (-2.4, 0)

y = -2/3x - 3

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  When y = 0, x = -4.5

  graph the points: (0, -3) and (-4.5, 0)

The lines will cross at point: (-3, -1)

4 0
3 years ago
A school assembly had 70 students in attendance, and 90% of them were first-graders. How many first-graders were at the assembly
natulia [17]

Answer:

63

Step-by-step explanation:

Because, 100% of 70 would be 7. Now we have that number lets multiply it by 9 because of 90%. 9 x 7 = 63 first-graders

4 0
2 years ago
Could anyone help, please?
Dmitry_Shevchenko [17]

First, find the probability of each event:

1) the probability that the spinner will land on a 7.

Since the spinner is split 4 equal sections and there is only 1 sector with 7, we can say the probability of getting a 7 is 1/4 as there is only 1 of 7 out of the total of 4 sections.

<em>and</em>

2) the probability that the spinner will land on B.

Since the spinner is split into 3 equal sections, and there is only 1 sector for B, we can say the probability of getting B is 1/3.

To find the probability of 2 events, we need to multiply the two probabilities.

1/4*1/3 = 1/12

So the answer is 1/12.

4 0
3 years ago
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