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ASHA 777 [7]
2 years ago
7

X - 4 / 2 + 3 x + 1 / 3​

Mathematics
2 answers:
lesya692 [45]2 years ago
8 0

Answer:

Step-by-step explanation:

4x-5/3

sashaice [31]2 years ago
4 0

Answer:

4x-5/3

Step-by-step explanation:

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A telemarketing firm is monitoring the performance of its employees based on the number of sales per hour. One employee had the
Len [333]

Answer:

First quartile = 3.5

Third quartile = 6.5

Step-by-step explanation:

Sales for last 20 hours :

3, 4, 5, 5, 6, 7

Using the data given :

The first quartile, Q1 ;

Q1 = 1/4(n+1)th term

n = 6

Q1 = 1/4(6 + 1)th term

Q1 = 7/4 = 1.75 th term

(3 + 4) / 2 = 7/2 = 3.5

The third quartile, Q3:

Q3 = 3/4(n+1)th term

n = 6

Q3 = 3/4(6 + 1)th term

Q3 = 21/4 = 5.25th term

(5th + 6th) term / 2

(6 + 7) / 2 = 13/2 = 6.5

6 0
3 years ago
What is the solution of 3x+y=70 and x+y=44 using elimination
Mkey [24]

Answer: y = 31 and x = 13

Step-by-step explanation: Look at the image from the top left to top right, then to bottom right to bottom left.

4 0
2 years ago
HELP.... please??????????????
Nostrana [21]

Answers:

Functions

  • y = -x+11
  • y = 2x^2-6x+4
  • y = -7

Not functions

  • x = 3
  • x^2+y^2 = 81
  • y^2 = -5x-12

=======================================================

Explanation:

A function is possible if and only if any given x input leads to exactly one y output.

For something like x^2+y^2 = 81, we can see that x = 0 leads to either y = 9 or y = -9. So this would <u>not</u> be a function. We would need x to pair with only y value to have it be a function.

We have the same thing going on with y^2 = -5x-12 as well.

For anything of the form x = k, where k is any real number, this is also not a function. We have one single input only and it leads to infinitely many outputs. So in a sense, this is even worse compared to the other examples.

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

In summary, we have these three non-functions:

  • x = 3
  • x^2+y^2 = 81
  • y^2 = -5x-12

Everything else is a function. You can use the vertical line test as a visual way to check.

8 0
3 years ago
Kevin has 5 times more baseball cards than his brother, Billy. If Billy has c number of cards, how many cards does Kevin have
mylen [45]
The answer would be 5*C or 5C or 5(C) they all mean the same exact thing but if Kevin has 5 times as much no matter what billy has you’ll have to multiply that by 5 to see how much Kevin’s has so if billy has c then you multiply that by 5
8 0
3 years ago
B) If a person is selected at random, what is the probability they have an iPhone?
quester [9]
It would be around 40 to 50% remember Apple is very popular in the United States and other countries but a lot of people prefer android phones which might be popular in their countries due to very good battery life, low cost and amazing features
7 0
3 years ago
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