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o-na [289]
3 years ago
11

From a standard deck of 52 cards what is the probability of picking either an eight or a queen

Mathematics
1 answer:
Shtirlitz [24]3 years ago
7 0
In a standard deck of 52 cards, there are four 8's and four queens. The probability of picking an eight is 4/52 or 1/13. Furthermore, the probability of picking a queen from the deck is also 1/13. Since the problem asked for the probability of picking either eight or queen, add the probability of picking queen and eight. The addition gives 2/13. 

Thus, the answer is 2/13. 
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If 60 is 75% of s value, what is that value
ohaa [14]
Let's write it down:
<span>"60 is 75% of s" means:

60=75%*s

75% is \frac{75}{100}= \frac{3}{4}, (percent just means "out of 100" so we just divide it by 100) so we can also write:

60=</span><span>\frac{3}{4}s

now, let's multiply both sides by 4:

240=3s

and divide by 3:
80=s

So we have the result that the original value, s, is 80!
</span>
3 0
3 years ago
Evaluate the following expression at x = -4<br> -5x-1
ANTONII [103]
All u have to do is 20-1=19
3 0
3 years ago
Read 2 more answers
The linear function y = 7x + 2 represents the cost y, in dollars, of buying x tickets, including a one time service fee. What do
dolphi86 [110]

Answer:

x^5y+4x+4y+2

Step-by-step explanation:

Fact, ^ is called an exponet

(Just so you know)

4 0
3 years ago
Can someone help me plz am stuck on this.
chubhunter [2.5K]
First Question

circumference = pi * diameter

diameter = circumference/pi = 94.2 in./3.14 = 30 in.

The wheels have a 30-inch diameter.
-----------------------------------------------------------------------
Second question

The area of a circle: area = pi * r^2

radius = diameter/2 = 94.2 in./2 = 47.1 in.

area = pi * r^2 = 3.14 * 47.1 in. * 47.1 in. = 6966 in.^2

Answer: 6966 in.^2
-----------------------------------------------------------------------
Third question

The piece of felt has a width equal to the diameter of the wheel. The length has to be the same as 4 diameters.

4 * 94.2 in. = 376.8 in.

Answer: 376.8 in.
6 0
3 years ago
The area of a square is 75 inches squared. A student correctly wrote the length of each side of the square as a√3. What is the v
aev [14]

Answer: 5 in.

Step-by-step explanation:

Given

The area of the square is 75\ in.^2

The side length of the square is a\sqrt{3}

Area of square=(\text{length})^2

\therefore 75=(a\sqrt{3})^2\\\Rightarrow 75=3a^2\\\Rightarrow a^2=25\\\Rightarrow a=5\ in.

Thus, value of a is 5 inch

6 0
3 years ago
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