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3 years ago

Please solve 2(5m+3)-8m=4

Mathematics

2 answers:

garik1379 [7]3 years ago

6 0

2(5m+3)-8m = 4

10m+6-8m = 4

2m = 4-6

m = -2/2

m= -1

DiKsa [7]3 years ago

6 0

2(5m+3)-8m=4
10m+6-8m=4
2m+6=4
2m=-2
m=-1

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Please help me with this if you can? thanks alot :)))

Lynna [10]

The probabilities are:

P(red) = 5/24
P(orange) = 0
P(blue) = 1/3
P(not green)= 17/24
P(green or black) = 11/24
P(not yellow) = 1.

<h3>How to find the probabilities?</h3>

The probability of getting a particular color of marble, is given by the quotient between the number of marbles of that color and the total number of marbles.

Here we have:

5 red marbles.
7 green marbles.
4 black marbles.
8 blue marbles.

So the total number is 5 + 7 + 4 + 8 = 24.

Then:

P(red) = 5/24
P(orange) = 0/24 = 0 (because there are 0 orange marbles).
P(blue) = 8/24 = 1/3
P(not green) = (24 - 7)/24 = 17/24
P(green or black) = (4 + 7)/24 = 11/24
P(not yellow) = 24/24 = 1 (because there aren't yellow marbles).

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5 0

2 years ago

Question 5 (1 point)

sdas [7]

Answer:

Step-by-step explanation:

Normal distribution has a unique characteristic of having equal mean and median values. If mean was higher than median, then the distribution would be positively skewed. Mean lower than median would appear in distributions negatively skewed. Each data set has a median value.

3 0

3 years ago

The area of a rectangle is 91 square inches. If the length of the rectangle is 1 less than twice its width, write an equation th

Ahat [919]

The following equation can be used to calculate the width, w, of the rectangle with the specified area: 2w²- w - 91 = 0.

<h3>What is a Rectangle's Area?</h3>

rectangle area = length width

Multiply the length by the width to obtain the area of a rectangle. The formula is as follows: A = L * W where A is the area, L denotes the length, W denotes the width, and * denotes multiplication. where A denotes area, s denotes side length, and implies multiply.

Given,

Rectangle area = 91 in.

2 w = width

The rectangle's length equals 2w - 1.

Using the area formula, the equation for calculating w would be: (2w - 1)(w) = 91.

2w² - w - 91 = 0

As a result, the equation for determining the width, w, of the rectangle with the specified area is: 2w² - w - 91 = 0.

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5 0

1 year ago