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3 years ago

Please answer this correctly

Mathematics

2 answers:

ki77a [65]3 years ago

8 0

The answer is 6.3 ft

FinnZ [79.3K]3 years ago

6 0

Answer:

6.3 ft

Step-by-step explanation:

The perimeter of a parallelogram is given by

P = 2(l+w)

49.6 = 2 (18.5 +t)

Divide by 2

49.6/2 = 2/2 (18.5 +t)

24.8 = 18.5+t

Subtract 18.5

24.8-18.5 = t

6.3 = t

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The following are weights in pounds of a college sports team: 165, 171, 174, 180, 182, 188, 189, 192, 198, 202, 202, 225, 228, 2

babunello [35]

Answer:

There are no values in the data that is two standard deviations below the mean.

Step-by-step explanation:

We are given the following data set in question:

165, 171, 174, 180, 182, 188, 189, 192, 198, 202, 202, 225, 228, 235, 240

Formula:

$\text{Standard Deviation} = \sqrt{\displaystyle\frac{\sum (x_i -\bar{x})^2}{n-1}}$

where $x_i$ are data points, $\bar{x}$ is the mean and n is the number of observations.

$Mean = \displaystyle\frac{\text{Sum of all observations}}{\text{Total number of observation}}$

$Mean =\displaystyle\frac{2971}{15} = 198.06$

The mean of sample is 198.06 pounds.

Sum of squares of differences = 7984.93

$S.D = \sqrt{\dfrac{7984.93}{14}} = 23.88$

The sample standard deviation is 23.88 pounds.

We have to find the weight that is 2 standard deviations below the mean.

$x < \bar{x}- 2s\\x < 198.06 -2(23.88)\\x < 150.3$

Thus, we have to find a value less than 150.3.

Sorted data: 165, 171, 174, 180, 182, 188, 189, 192, 198, 202, 202, 225, 228, 235, 240

There are no values in the data that is less than 150.3

4 0

4 years ago

Interview someone you know that uses math in their job/career. Which of the following tasks do they complete on a regular basis?

andre [41]

Answer:

I have known a man who uses math in their job/career to do problem solving. I have kind of discussed him about the dynamics of his job in terms of utilizing his math knowledge.

Step-by-step explanation:

I have known a man who uses math in their job/career. I have kind of discussed him about the dynamics of his job in terms of utilizing his math knowledge.

He mentioned that he normally does a lot of problem solving tasks on a regular basis as he likes to observe the situation logically and then solving accordingly based on critical thinking and logic.

He mentioned some of his problem solving skills using which he tends to do a lot of problem solving tasks. These problem skills are as follows:

Active listening

Analysis

Research

Creativity

Communication

Understanding the logic and implementing it

Logical calculations to solve the problem

Keywords: problem solving, communication, observation

Learn more about problem solving from brainly.com/question/5084258

#learnwithBrainly

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3 years ago

What value of c makes the statement true? -2x3(cx3 + x2) = -10x6 - 2x5

Nadya [2.5K]

C would = 5 to make this statement true

7 0

4 years ago

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