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Goryan [66]
3 years ago
12

a month of the year is chosen at random. what is the probability that the month starts with the letter j or the letter m?

Mathematics
2 answers:
anygoal [31]3 years ago
7 0

Answer:

\frac{5}{12}

Step-by-step explanation:

There are three months whose name starts with the letter 'j': January, June, July

There are two months whose name starts with the letter 'm': March, May

So altogether, there are 5 months whose name starts with the letter 'j' or 'm'. So the possible outcome is 5 and total number of sample space is 12.

Therefore the required probability is:

\frac{5}{12}

galben [10]3 years ago
3 0
5 out of 12

5/12


January, March, May, June, July
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The temperature at sunrise was -3*F. By noon, the temperature climbed 18 degrees. By sundown the temperature was -14*F. How much
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Answer:

32*F

Step-by-step explanation:

* = degrees

Started at -3*F

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By sundown the temperature was -14*F

What we want to know: How much did the temperature drop between noon and sundown?

This is actually really easy!

What was the temperature at noon?        --> 18*F

What was the temperature at sundown? --> -14*F

So what is the difference between 18* and -14*? We can't use an equation, so we will solve manually.

The distance from -14 to 0 is 14 degrees. Keep that in mind.

The distance from 18 to 0 is 18 degrees. Keep that in mind.

So what is 14 + 18? 14 + 18 = 32*.

So, the temperature dropped 32*F between noon and sundown.

I hope this helps! I know this was a little messy, but that is because we couldn't use an equation/expression to solve this.

<h2><u>PLEASE MARK BRAINLIEST!</u></h2>
6 0
3 years ago
The equation of a parabola in vertex form is y = 2(x - 3)2 + 5. What is the standard form
Alexxx [7]

hello :

y = 2(x + 3)² - 5

y = 2(x²+6x+9) -5

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Option (a) is correct.

The standard form the equation  is

Step-by-step explanation:

Given : the vertex form of the  equation of a parabola is

We have to write the given equation in standard form and choose the correct from the given options.

Consider the given equation of parabola

The standard form of equation of parabola is

We can obtain the standard form by expanding the square term in the given equation.

Using algebraic identity , we have,

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7 0
2 years ago
What is a solution of the inequality shown below? 9 + b ≤ 2​
Gala2k [10]

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i put into desmos graphing caculater

8 0
3 years ago
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grin007 [14]

Answer: 500x + 700 > 120000

Step-by-step explanation:

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3 years ago
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