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Irina-Kira [14]
3 years ago
13

If the probability of writing the correct answer to the question on an exam is 2/5, what are the odds against writing the correc

t answer?
Mathematics
1 answer:
MAXImum [283]3 years ago
3 0
<h3>Answer is  3:2</h3>

Explanation

The probability of getting the correct answer is 2/5. This means there are 2 events of getting it right out of 5 events total. Since there are 2 events of getting it right, there are 5-2 = 3 events of getting it wrong.

The odds against getting the right answer is 3:2. We list the number of ways to get it wrong first, a colon, then the number of ways of getting it right.

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Answer:

The attached image shows the equation graphed on a graph. From there you can plot the points.

3 0
3 years ago
Find the slope of the line that passes through the given points.
larisa86 [58]

Answer:

I do not know

Step-by-step explanation:

6 0
3 years ago
An ice cream sundae costs $1.75 plus an additional $0.35 for each topping. If the total
laiz [17]

Answer:

3

Step-by-step explanation:

$1.75 (ice cream) + $0.35 (topping) * x (some toppings) = $2.80, so I can rewrite it like that: 1.75+0.35x=2.80

1) Move the constant to the right side and change its sign: 0.35x=2.8-1.75

2) Substract the numbers: 0.35x=1.05

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5 0
3 years ago
What is the answer to b?
Elina [12.6K]
<h3>Answer:  0.6 grams per cm</h3>

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

Explanation:

Pick any column and divide the weight over the length

column 1:  9/15 = 0.6

column 2:  12/20 = 0.6

column 3:  18/30 = 0.6

column 4: 30/50 = 0.6

The weight per cm is 0.6 grams per cm

---------

Another way you could look at is like so

9 g = 15 cm

9/15 g = 15/15 cm

0.6 g = 1 cm

We divided both sides by 15 to turn "15 cm" into "1 cm". Think of "per cm" as "per 1 cm". This works for any other column as well.

8 0
3 years ago
Read 2 more answers
The distance between A (-5,3) and B(5,3) is
Llana [10]
The distance between (-5,3) and (5,3) is 10
3 0
3 years ago
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