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evablogger [386]
3 years ago
9

12, 17, 11, 13, 17, 15 What is the mean of the data? ​

Mathematics
2 answers:
garri49 [273]3 years ago
6 0

Step-by-step explanation:

The mean is the average.  Add up all the points, then divide by the number of points.

(12 + 17 + 11 + 13 + 17 + 15) / 6 = 14⅙

nata0808 [166]3 years ago
5 0

Answer:

14.17

Step-by-step explanation:

12+17+11+13+17+15= 85

85/6=14.17

The 14.17 is rounded from a repeating 6.

The mean is the average, so you find the total and divide by the amount you have.

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Solve: 5y – 3.5 = 10.5
Svetlanka [38]

Answer:2.8

Step-by-step explanation:add 3.5 to the 10.5 which equals 14 then you divide 5 by 14 to get the y alone and it equals 2.8

7 0
2 years ago
Read 2 more answers
Estimate. Round to the greatest place value. Circle whether the estimate is greater then or less then the actual product.
nataly862011 [7]

Answer:

The estimate is greater then.

Step-by-step explanation:

143*2=286

286*2=572 not 6,517

4 0
3 years ago
A teacher uses a strong slingshot to release an object from the top of a school high in the air. The function a(t)=-16t^2+128t+5
inessss [21]

Ground: y = 0

- 16t² + 128t + 50 = 0

Apply quadratic equation.

t = 0, 8 (rounded to the nearest second)

8 seconds

8 0
3 years ago
A new movie is released each year for 8 years to go along with a popular book series. Which movie is 5 minutes longer than the l
Vinil7 [7]

Answer:

\boxed{\text{12 h 20 min}}

Step-by-step explanation:

1. Find the eighth term

You have an arithmetic sequence. It starts at 75 and each successive term is 5 more than the one preceding it

The general formula for the nth term (aₙ) is

aₙ = a₁ + (n - 1)d

where a₁ is the first term and d is the common difference (5) between consecutive terms.  Thus,

a₈ = 75 + (8 - 1) × 5 = 75 + 7 × 5 = 75 + 35 = 110

2. Find the sum

The formula for sum of the first n terms of an arithmetic sequence is

S_{n} & = & \dfrac{n(a_{1} + a_{n})}{2}

So

\begin{array}{rcl}S_{8}& = & \dfrac{8(75 +110)}{2}\\& = & 4 \times 185\\& = & \text{740 min}\\& = & \textbf{12 h 20 min}\\\end{array}\\\text{The total length of all eight movies is }\boxed{\textbf{12 h 20 min}}

4 0
3 years ago
IS NEEDED ASAP PLEASE HURRY
wlad13 [49]

The name of the line of reflection for the pair of figures is a plane intersecting.

This is further explained below.

<h3>What is the name of the line of reflection for the pair of figures?</h3>

A reflection is referred to as a flip while discussing geometry. A reflection is the object's form reflected in a mirror.

The term for the path that an image takes when it reflects off of a line is called the line of reflection.

When two figures are said to mirror one another, it means that the distance between every point in one figure and its corresponding point in the other figure is exactly the same.

In conclusion, the pair of figures have a line of reflection called an intersecting plane, and its name is the line of reflection.

Read more about the line of reflection.

brainly.com/question/18376051

#SPJ1

5 0
2 years ago
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