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vaieri [72.5K]
3 years ago
8

HELP PLS Is this set of ordered pairs a function (8,4) (6,2) (1,9) (3,8) (0,7)

Mathematics
2 answers:
Kaylis [27]3 years ago
7 0

Answer:

yes

Step-by-step explanation:

functions are defined by the vertical line test because for every x input you need a unique y and none of the points you listed share an x value

Mrrafil [7]3 years ago
4 0

Answer:

No

Step-by-step explanation:

They are not being added by the same number each time.

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Which of the following is the solution set of x² + 8x + 12 = 0?
raketka [301]

Answer:

\fbox{\begin{minipage}{9em}x = -2 and x = -6\end{minipage}}

Step-by-step explanation:

Given:

x^{2} + 8x + 12 = 0

Solve for:

x

Solution:

Step 1: Select the formula to solve for x

There are some ways to solve quadratic equations.

One of the simple way (if possible) is performing the factorization.

Another way is using the quadratic formula.

Here, we are going to use factorization.

Step 2: Perform factorization

      x^{2} + 8x + 12 = 0

<=>x^{2}  +  2x + 6x  + 12 = 0

<=>(x^{2} + 2x) + (6x + 12) = 0

<=>x(x + 2) + 6(x + 2) = 0

<=>(x + 2)(x + 6) = 0

<=> x = -2 or x = -6

Hope this helps!

:)

4 0
2 years ago
In a normal distribution, which is greater, the mean or the median? Explain.
lianna [129]
B. The mean; in a normal distribution, the mean is always greater than the median
8 0
3 years ago
If six girls can finish sweeping the floor of a hall in 45mins,how long will the same work take ten girls to do
AleksandrR [38]

Answer:

15 minutes i think

Step-by-step explanation:

45÷6=7.5

meaning 7.5 minutes per girl

so 4 girls would be 30 minutes of work

so 45-30=15

4 0
3 years ago
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