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lesya [120]
2 years ago
9

A sixth number will be added to the list. What must it be in order for the mean to be 12?

Mathematics
2 answers:
Nataliya [291]2 years ago
7 0
The sixth number should be 16 in order for the mean to be 12
Effectus [21]2 years ago
4 0

Answer:

16

Step-by-step explanation:

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How do I factor and simplify this?
LenKa [72]
You can simplify it further to: 2n-1 over 3n-5
3 0
2 years ago
If a triangle has a heig of 14 inches and base of 9 inches whats its area?
vlada-n [284]

Answer:

63 inches

Step-by-step explanation:

the formula for the area of a triangle is

a = 1/2 bh

plug in the numbers

a = 1/2(9)(14)

9 times 14 is 126

a = 1/2(126)

half of 126 (or 126 divided by 2)

area = 63 inches

8 0
3 years ago
Identify the type of data (qualitative/quantitative) and the level of measurement for the following variable. Explain your choic
AleksAgata [21]

Answer:

Option  C. Quantitative, because numerical values, found by either measuring or counting, are used to describe the data.              

Step-by-step explanation:

We are given the following in the question:

Variable: Final exam scores (from 0 to 100) for graduating high school seniors.

The following variable is a quantitative variable.

Quantitative variable:

  • Their values are expressed in numerical.
  • They are either measured or counted.
  • Descriptive terms are not used to describe them.
  • They can either be continuous or discrete.

Since final scores have numerical values and are counted, they are quantitative variables.

Option  C. Quantitative, because numerical values, found by either measuring or counting, are used to describe the data.

Level of measurement:

A score of zero means no true existence for score. That is true zero exist.

Thus, it is ratio because difference between the values in data can be compared meaningful and they have a true zero.

7 0
3 years ago
I need help with this practice I am having a tough time solving it properly
Monica [59]

Given:

There are given that the parent functions as a cosine function:

Where,

The amplitude of the function is 9.

The vertical shift is 11 units down.

Explanation:

To find the cosine function, we need to see the standard form of the cosine function:

f(x)=acos(bx+c)+d

Where,

a is the amplitude of the function,

Now,

According to the question:

The amplitude of the function is 9, which means:

f(x)=9cos(bx+c)+d

The vertical shift is 11 units down, which means:

f(x)=9cos(bx+c)-11

For period:

\begin{gathered} f(x)=-9cos(\frac{12\pi}{7}x+0)-11 \\ f(x)=-9cos(\frac{12\pi}{7}x)-11 \end{gathered}

Final answer:

Hence, the cosine function is shown below;

f(x)=-9cos(\frac{12\pi}{7}x)-11

4 0
1 year ago
What is the value of t=1 3(4 x (1/2) t-1)
Aliun [14]

Answer:

t = 13 over 25 or in alternate form its t = 0.52

7 0
3 years ago
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