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3241004551 [841]
3 years ago
6

Match the statement to symbols a quarter of a number 4/x 4x ox/4 1/4+x

Mathematics
1 answer:
Reil [10]3 years ago
7 0
A quarter of the number would be 1/4 +x
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Lewis rolls a number cube and then chooses a card from a set of cards numbered 1 through 5. What is the probability that he will
IceJOKER [234]

Answer:

\frac{1}{5}=0.2

Step-by-step explanation:

The general formula for a probability is:

P=\frac{FavorableEvent}{TotalEvents}

The favorable events for the cube to fall in a even number are:

2, 4, and 6 ⇒ <u>3 favorable events</u>

and in the cube the total events are:

1, 2, 3, 4, 5, 6 ⇒ <u>6 total events</u>

So the probability of rolling an even number in the cube is:

P=\frac{3}{6}\\\\\\ P=\frac{1}{2}

Now we do something similar to find the probability to choose a card with an even number.

The favorable events for an even numbered card are:

2, 4 ⇒<u> 2 favorable events</u>

and the total number of events in the cards is:

1, 2, 3, 4, 5 ⇒ <u>5 total events</u>

Thus, the probability to choose an even numbered card (according to the probability formula) is:

P=\frac{2}{5}

And finally, since we want both things to happen we must multiply both obtained probabilities:

  • the probability that he will roll an even number and choose an even numbered card:

P=\frac{1}{2}*\frac{2}{5} \\ \\P=\frac{2}{10} \\\\P=\frac{1}{5} =0.2

The probability is 1/5 which is equal to 0.2 or 20%

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3 years ago
At tire Depot a green pair of new tire sells for $216 the managers special advertises the same tire selling at a rate of $380 fo
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The answer is 52 if you get the manager special
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3 years ago
What is 6.974 rounded to the nearest tenth
zloy xaker [14]
6.974 rounded to the nearest tenth is 7.0, because 7 is more than 5, and since 9's there, we make that 6 to a 7.
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3 years ago
Read 2 more answers
What would be the angle between the two perpendicular lines.​
Anna007 [38]

Answer:

<em>90 degrees</em>

<em>90 degreesPerpendicular lines are lines that intersect at a <u>right (90 degrees) angle.</u></em>

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2 years ago
I need help with these two questions please!
Novay_Z [31]
The first one is rectangle
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3 years ago
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