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irinina [24]
4 years ago
9

2. Do “average” and “mean” indicate the same thing? Explain.

Mathematics
1 answer:
Lostsunrise [7]4 years ago
7 0
The mean is the average you’re used to see by adding up all numbers and divide by all the number of the numbers. The median is the middle value in the list of numbers the mode is the value that occurs most often. If no number in the list is repeated then there is no mode for the list
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Describe the graph of 2x + y = 11 and 2x + y = 2. Determine the number of solutions.
Alexandra [31]

Answer:

\mathrm{No\:Solution}

Step-by-step explanation:

By using comparing the left hand side of the two given equations we have:

\begin{bmatrix}2x+y=11\\ 2x+y=2\end{bmatrix}\\\\\begin{bmatrix}11=2\end{bmatrix}\\\\11=2\:\mathrm{\:is\:false,\:therefore\:the\:system\:of\:equations\:has\:no\:solution}

Best Regards!

7 0
3 years ago
Name the object that exhibits rotational symmetry.
salantis [7]

Answer:

circular plate

Step-by-step explanation:

Rotational symmetry is attained on a figure if it is possible to achieve the same image of the figure after rotating it. For example , rotating a circular plate marked with numbers 1 to 6 through a 360° rotation, the number marked 1 with attain a position similar like that before rotation.

8 0
3 years ago
If you were to use the substitution method to solve the following system, choose the new
mestny [16]

Answer:

23x = -115

Step-by-step explanation:

In the substitution method, you must solve for 1 variable in 1 equation to replace it in the other equation. For the system:

2x - 7y = 4

3x + y = -17

Solving for y in the second equation:

y = -17 - 3x

Replacing y in the first equation:

2x - 7(-17 - 3x) = 4

2x + 119 + 21x = 4

23x = -115

This is the new equation after use the substitution method.

5 0
3 years ago
Helpme<br><br><br> Given f(x) = 3x - 1, find f(2).<br> 1<br> 2<br> 5<br> 4
dimulka [17.4K]

Answer:

5

Step-by-step explanation:

f(x)=3x-1

f(2)=3×2-1

f(2)=6-1

f(2)=5

7 0
3 years ago
" four multiplied by the sum of a number and three is sixteen"
tia_tia [17]
4(x+3) = 16
4x+12=16
4x=4
x=\frac{4}{4}
x=1
4 0
3 years ago
Read 2 more answers
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