What is 2/3 minus 1/5 equals? Steps I need to show.

2 answers:

4 0

Firstly we need to find the common denominator:

2/3 - 1/5 =
= 10/15 - 3/15 =
= 7/15

We can't simplify it so that's the result :) I hope it will help you :)

OLEGan [10]2 years ago

3 0

It equals 7/15
1. find the least common multiple of the 2 denominators(bottom numbers)
for this problem: the lcm is 15(3 times 5)
2. the fractions will now be 10/15(2/3) and 3/15(1/59
3. subtract ONLY the numerators(upper numbers)
4. 10-3=7
5. your answer will be 7/15

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Hello Brainly Teacher Brainly Moderators and trusted helpers!

tatyana61 [14]

Answer:

P(x < 84) = 0.3085 or approximately 31%

============

<em>Hello to you from Brainly team!</em>

<h3>Given</h3>

Mean grade μ = 86,
Standard deviation σ = 4,
Grade limit x = 84.

Probability of that a randomly selected grade is less than 84 or P(x < 84).

<h3>Solution</h3>

Find z-score using relevant equation:

z = (x - μ)/σ

Substitute values and calculate:

z = (84 - 86)/4 = - 0.5

Using the z-score table find the corresponding P- value.

P(x < 84) = 0.30854 or approximately 31%

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1 year ago

How many even 2-digit positive integers can be written using the numbers 2, 4, 5, and 8?

BartSMP [9]

Answer:

Step-by-step explanation:

To have an even integer the number's endian has to be an even number. Consider the 2-digit positive number like _ _ and place the number of possible options out of four total options in each blank space. We have 3 even options, so we can fill the endian blank like this _ <u>3</u>

Since the first digit can be any number, therefor, we have 4 options for the first blank space <u>4</u> <u>3</u>. Just multiply the two numbers and you have the answer.

22, 24, 28, 42, 44, 48, 52, 54, 58, 82, 84, 88

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2 years ago

What type of polynomial is 2x+10

Romashka-Z-Leto [24]

AnswerAnswer:

Binomial

Step-by-step explanation:

there are 2 terms

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