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hoa [83]
3 years ago
15

What does the open circle and closed circle mean?? ​

Mathematics
2 answers:
TEA [102]3 years ago
8 0
The open circle is greater than or less than, closed circle is less than or equal to or greater than equal to
S_A_V [24]3 years ago
8 0

Answer:

the open circle is greater than the closed circle is less than.

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Simplify.<br> Х+4/3x^2+7x - 20
pickupchik [31]

Answer:4/3x²+8x−20

Step-by-step explanation:Combine Like Terms:

=x+

4

3

x2+7x+−20

=(

4

3

x2)+(x+7x)+(−20)

=

4

3

x2+8x+−20

8 0
3 years ago
3 divided by what gives you 24<br>​
Anarel [89]
What divided by 3 equals 24? In other words, you have an unknown number (X), and then if you divide that X by 3 you get 24. Then what is that X?

The equation to calculate what divided by 3 equals 24 is as follows:

X/3 = 24

Where X is the answer. When we solve the equation by multiplying each side by 3, you get get:

X = 72

Therefore, the answer to what divided by 3 equals 24 is 72.

Hope that helps
7 0
3 years ago
The value of y varies directly as x and y is 9 when x is -3 what constant of variation k?
Lady bird [3.3K]
Y/x=k

when y=9, then x= -3
        9/-3=-3
⇒ k= -3
7 0
2 years ago
The owner of a skate shop notices that every time a certain employee has a shift, there are higher sales numbers at the end of t
Serjik [45]

Answer:

Correlation.

Step-by-step explanation:

When relationship between two or more variables are to be established such that the measure of the effect of one variable (independent variable) on the other variable (dependent variable) is evaluated , this is called correlation study or analysis. In the scenario above, the relationship between productivity or revenue and employee shift is correlated, that is a relationship was established between the revenue made and the shift days of a particular employee, which yielded a positive association between the two variables. The employee shift is the independent variable and the revenue made is the dependent variable.

6 0
3 years ago
Please help with one of these
LekaFEV [45]

Number 10 is Answer: y=2.5/2x+3.5

Step-by-step explanation:

The 3.5 is the y intercept because it is when x is 0. The slope is just the change in y over the change in x

3 0
3 years ago
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