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sveticcg [70]
4 years ago
9

I hate math lolol yep

Mathematics
1 answer:
dmitriy555 [2]4 years ago
6 0
The answer is B (domain is left to right, range down to up)
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daphne was given a riddle to solve the sum of two consecutive positive integers is 71 find the two positive integers
Anarel [89]
I believe I already explained this the numbers are 35 and 36 but if you need an explanation someone else posted the same question, but maybe it was you. Anyway, good luck!
8 0
3 years ago
Solve the system: 5x+6y=−20 9y+2x=25
Semmy [17]

Answer:

  (x, y) = (-10, 5)

Step-by-step explanation:

This one can be a little tricky because the variables in the equations are not in the same order. It might help to rewrite the system as ...

  • 5x +6y = -20
  • 2x +9y = 25

Multiplying the first equation by 3 and subtracting 2 times the second equation can eliminate the y-variable:

  3(5x +6y) -2(2x +9y) = 3(-20) -2(25)

  11x = -110 . . . . . . simplify

  x = -10 . . . . . . . . divide by 11

  5(-10) +6y = -20 . . . substitute for x in the first equation

  6y = 30 . . . . . . . . add 50

  y = 5 . . . . . . . . . . divide by 6

The solution is (x, y) = (-10, 5).

4 0
4 years ago
Enrique drank 2 3/16 cups of coffee in 2 1/2 hours. How much coffee did he drink each hour?
Brrunno [24]
D. 7/8 of a cup per hour
5 0
4 years ago
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A bag contains 9 tiles, each with a different number from 1 to 9. You choose a tile without looking, put it aside, choose a seco
Ksenya-84 [330]

Using the combination formula, it is found that there are 84 ways to choose the three tiles.

The order in which the tiles are chosen is not important, hence the <em>combination formula</em> is used to solve this question.

<h3>What is the combination formula?</h3>

C_{n,x} is the number of different combinations of x objects from a set of n elements, given by:

C_{n,x} = \frac{n!}{x!(n-x)!}

In this problem, three tiles are chosen from a set of nine, hence:

C_{9,3} = \frac{9!}{3!6!} = 84

There are 84 ways to choose the three tiles.

More can be learned about the combination formula at brainly.com/question/25821700

8 0
2 years ago
A department store buys 500 shirts at a cost of ​$13,500 and sells them at a selling price of ​$30 each. Find the percent markup
Elenna [48]

Answer:

5.5%          hope this helps have a great day!

Step-by-step explanation:

4 0
3 years ago
Read 2 more answers
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