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iragen [17]
3 years ago
8

The sum of two numbers is 44 and the difference is 12. What are the numbers

Mathematics
1 answer:
drek231 [11]3 years ago
7 0

Answer:

16 and 28

Step-by-step explanation:

x + y = 44                    

x - y = 12

x = 12 + y

x + y = 44

12 + y + y = 44

12 + 2y = 44

2y = 32

y = 16

x + y = 44

x + 16 = 44

X = 28

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Marlon asks a friend to think of a number from 5-11. What is the probability that marlins friend will think of the number 9
Tju [1.3M]

Answer:

14.29% probability that Marlon's friend will think of the number 9

Step-by-step explanation:

A probability is the number of desired outcomes divided by the number of total outcomes.

In this problem, we have that:

There are 7 numbers from 5 to 11(5,6,7,8,9,10,11)

9 is one of them

So

p = \frac{1}{7} = 0.1429

14.29% probability that Marlon's friend will think of the number 9

4 0
3 years ago
What is the oppisite of -4
HACTEHA [7]

Answer:

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Step-by-step explanation:

8 0
3 years ago
Read 2 more answers
Ill give Brainliest. please explain your answers. im so confused on these questions :((
Katen [24]

Answer:

I'll answer the first one. Neither vehicles are crossing the speed limit since both are under 40mph.

Step-by-step explanation:

6 miles every 10 minutes = 36 miles every hour.

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Neither vehicles are crossing the speed limit since both are under 40mph.

Hope this helped! :))

8 0
2 years ago
Solve the equation x³ - 5x²+2x+8 = 0 given that - 1 is a zero of f(x)= x3 - 5x²+2x+8.
exis [7]

Answer:

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Step-by-step explanation:

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3 0
2 years ago
The following table shows the length and width of two rectangles:
faltersainse [42]
The perimeter of these can be found by adding length and width and then multiplying by two. 

Rectangle A: (with all of the variables already doubled)
2x + 16 + 2x - 2 
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So rectangle A's perimeter is 4x + 14.

Rectangle B: (Still with all the variables already doubled)
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And now to subtract the two.
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14x + 6 - 4x - 14
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10x - 8

So it would be C.
5 0
3 years ago
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