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Alenkasestr [34]
2 years ago
13

Some help me please and thank you

Mathematics
1 answer:
lisov135 [29]2 years ago
5 0

Answer:

6/15 + 5/15 = 11/15

Step-by-step explanation:

cross multiply the numbers to get a common denominators, then add

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What is slope intercept for 7x+6y=30
GalinKa [24]
<span>7x+6y=30
6y = -7x + 30
  y = -7/6x + 5

answer:
slope = -7/6</span>
4 0
2 years ago
Read 2 more answers
Find the mean, the median, and all modes for the data in the given frequency distribution. (Round your answers to one decimal pl
kvasek [131]

Answer: Mean = 7.8

              Median = 9

             Mode = 2,9

Step-by-step explanation: <u>Mean</u> is the average value of a data set. Mean from a frequency table is calculated as:

E(X)=\frac{2(10)+3(9)+9(10)+11(7)+12(3)+15(4)+16(3)}{10+9+10+7+3+4+3}

E(X) = 7.8

Mean for the given frequency distribtuion is 7.8.

<u>Median</u> is the central term of a set of numbers. Median in a frequency table is calculated as:

1) Find total number, n:

n = 10 + 9 + 10 + 7 + 3 + 4 + 3 = 46

2) Find position, using: \frac{n+1}{2}

\frac{n+1}{2}=\frac{47}{2} = 23.5

Median is in the 23.5th position.

3) Find the position by adding frequencies: for this frequency distribution, 23.5th position is 9

Median for this frequency distribution is 9.

<u>Mode</u>  is the number or value associated with the highest frequency.

In this frequency distribution, 2 and 9 points happen 10 times. So, mode is 2 and 9.

Mode for this distribution is 2 and 9.

7 0
3 years ago
Point A is at (-1, -9) and point M is at (0.5, -2.5).
vladimir2022 [97]

Answer:

Point B is located at point (2, 4)

Step-by-step explanation:

Since point M is at the center, you find the distance from point A and add that to the other side.

| -1 - 0.5 | = | -1.5 | = 1.5

| -9 - -2.5 | = | -6.5 | = 6.5

Now we can add that to point M to find point B

0.5 + 1.5 = 2

-2.5 + 6.5 = 4

Point B should be at (2, 4)

4 0
3 years ago
What is the value of p so that the expression 6x+3−(8x−5) is equivalent to (px+8) ?
Harman [31]
6x+3-(8x-5)
=
-2x(x-4)
=
2x+8
=
p = 2
8 0
3 years ago
-3+5x=12<br> jljlljj j kjljjlknlnlknlk
monitta
<h3 /><h3>- 3 + 5x = 12 \\ 5x = 12 - 3 \\ 5x = 9 \\ x =  \frac{9}{5}</h3>

4 0
2 years ago
Read 2 more answers
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