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Alina [70]
3 years ago
8

14 + 21 + 16 Total count – Mean Value

Mathematics
1 answer:
andrew-mc [135]3 years ago
8 0

Answer:

34

Step-by-step explanation:

Total count= 14 + 21 + 16

= 51

Mean value = Total count / number of values

= 51/3

= 17

Hence, Total count - mean value = 51 - 17

= 34

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The regression equation y = -0.414x + 106.55 approximates the percent of people in an
murzikaleks [220]

The correct option will be:   A. 67%

<em><u>Explanation</u></em>

Given equation is:   y = -0.414x + 106.55 , where x is the length of the film in minutes and y is the percentage of people finish watching the film.

Here, the length of the documentary is given as 95 minutes. So, we will <u>plug x=95 into the above equation</u> and get....

y=-0.414(95)+106.55\\ \\ y=-39.33+106.55\\ \\ y=67.22 \approx 67

<em>(Rounded to the nearest percent)</em>

So, the percentage of people in an audience who will finish watching a documentary that is 95 minutes long will be 67%

4 0
3 years ago
An equation is modeled below.
MrRa [10]

Answer:

This answer is A

A. X= -1

Step-by-step explanation:

-1 is equal to-1

4 0
3 years ago
Help me with this pls!!! You need to fill in the blanks with the words given above 99 Points!
sweet-ann [11.9K]

A simulation is a mathematical model used to represent a situation.

  • A simulation can be a program or a physical test to "simulate" a situation to predict the outcomes.

When we combine two or more simple events we have a compound event

  • "Compound" means to combine, like a compound word would be a combination of two words

A Tree Diagram is a diagram that shows all the possible outcomes of an event

  • In a tree diagram, each possible outcome "branches" off the main stem, making the final diagram look like a tree with many separating branches.

All the possible outcomes or results is called the sample space

  • The outcomes are each different samples, and a sample space is a space that collects each of these samples

When an event is not affected by a previous outcome we have an independent event

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Let me know if you need any clarifications, thanks!

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8 0
3 years ago
together,sarah's two cats have the same mass as her dog,11 kg.the mass of one cat is 1500 g greater than the mass of the other.
Alika [10]
Let (a) be the first cat
let (b) be the second cat
a +b=11kg-----(1)
a=b+1500g⇒(1.5 kg)-------(2)
so now u have a system of two unknowns
a=11-b
substitute a in (2)
11-b=b+1.5
11-1.5=2b
2b=9.5
b=9.5/2=4.75
subs. b in (1)
a+b=11
a+4.75=11
a=11-4.75=6.25
so cat (a) is 6.25 kg
and (b) is 4.75 kg
hope I helped



6 0
3 years ago
Solve 2 by 2 System using Matrix Inverse
Luba_88 [7]

Answer:

What do you call a shoe make out of a banana?

Step-by-step explanation:

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