0.6 repeating (AKA 0.6666666-----)
Length=x
Breadth=1/3x
(x+1/3x)×2=80
4/3x×2=80
8/3x=80
x=30
Length=30
Breadth=1/3×30=10
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Step-by-step explanation:
thank you for your point
Answer:
- a. 1 / 13
- b. 3 / 13
- c. 10 / 13
Step-by-step explanation:
<h3>a.</h3>
There are four 5's in the deck. This means that, from 52 possible cards to drawn, we have 4 chances of drawing a 5. This means that the probability will be:


<h3>
b.</h3>
For every suit, there are three face cards, J, Q and K. There are 4 suits, so, the total number of face cards its:

The total possible cards are, still, 52, so, the probability will be


<h3>
c.</h3>
We know that the card drawn must be a face card, o not being a face card. There is no third choice here. So, the probability of drawing a face card OR not drawing a face car its:

so


but, we know that

so


Answer:
x = 17
Step-by-step explanation:
This is a right triangle so we can use the Pythagorean theorem
a^2 + b^2 = c^2 where a and b are the legs and c is the hypotenuse
15^2 + x^2 = (sqrt(514))^2
225 + x^2 = 514
Subtract 225 from each side
225-225 + x^2 = 514-225
x^2 =289
Take the square root of each side
sqrt(x^2) = sqrt(289)
x = 17