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3 years ago

Test #

Mathematics

1 answer:

Agata [3.3K]3 years ago

7 0

5 is the slope and 3 is the y-intercept

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Solve the formula for the variable 1. f = 1/2(r 6.5)

Elina [12.6K]

F = 1/2(r + 6.5)
2f = r + 6.5
r = 2f - 6.5

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2 years ago

Write 96% as a fraction.

RoseWind [281]

Answer:

Directly, it would be 96/100. However, we can reduce it to become 48/50 = 24/25.

(underlined is simplest answer)

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3 years ago

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Which relationship describes angles 1 and 2?

Mnenie [13.5K]

Answer:

Step-by-step explanation:

1 and 2 are vertical angles

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3 years ago

A.(-1,6) B.(-6,5) C.(-8,1) D.(-10,1) HELP ASAP‼️‼️

Evgen [1.6K]

Answer:

the answer is b

Step-by-step explanation:

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3 years ago

The numbers of regular season wins for 10 football teams in a given season are given below. Determine the range, mean, variance,

tensa zangetsu [6.8K]

We have the following data set:

2,7,15,3,12,9,15,8,3,10

The range is the difference between the highest and lowest values in the set, to find the range, order the data set from least to greatest.

2,3,3,7,8,9,10,12,15,15

Then,

$\begin{gathered} \text{Range}=15-2 \\ \text{Range}=13 \end{gathered}$

Mean is represented by the following expression:

$\text{Mean}=\frac{\text{Sum of all data points}}{Number\text{ of data po}ints}$ $\text{Mean}=\frac{84}{10}=8.4$

Population variance formula looks like this:

$\begin{gathered} \sigma^2=\frac{\sum^{}_{}(x-\mu)^2}{N} \\ \text{where,} \\ \sigma^2=\text{population variance} \\ \sum ^{}_{}=addition\text{ of} \\ x=\text{each value} \\ \mu=population\text{ mean} \\ N=\text{ number of values in the population} \end{gathered}$

Then, substituting:

$\begin{gathered} \sigma^2=\frac{(2-14)^2+(3-14)^2+\cdots+(15-14)^2}{10} \\ \sigma^2=20.44 \end{gathered}$

For the standard deviation:

$\begin{gathered} s=\sqrt[]{\frac{\sum ^{}_{}(x-\mu)^2}{N}} \\ s=4.521 \end{gathered}$

5 0

1 year ago