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jeka94
4 years ago
11

There are 10 cards. They are numbered: 9,10,11,12,13,14,15,16,17,18. One card is randomly picked. What is P(prime number)? 20%,3

0%,50%,70%
Mathematics
1 answer:
arlik [135]4 years ago
3 0
So there are 10 numbers, and 3 of them are prime. Our prime numbers are 11, 13, and 17. 

3/10 would be our fraction for this equation, and 3/10 is equal to 30%.

30% is your answer!
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A 12 pack of cola costs $5.46. How much does one can of cola cost?
Jet001 [13]

Answer:

46¢

Step-by-step explanation:

Note that there are 12 cola's in all. The total cost is $5.46. Divide the total cost with the amount of cola's there is:

5.46/12 = 0.455

Round: 0.455 rounded to the nearest hundredths is $0.46 (You round to the nearest hundredths, for the smallest amount for US currency is a penny, which is 1/100 of a dollar bill).

Each cola costs $0.46

~

5 0
4 years ago
Someone help please!!
Sholpan [36]

Answer: x=60 degrees

Step-by-step explanation: This triangle is an equilateral triangle, meaning all angles are equal. Since a triangle is 180 degrees total, 180 degrees/3 angles= 60 degrees each angle.

3 0
3 years ago
What is 27/8 in simplest form
iren [92.7K]
3 3/8. To figure this out, figure out how many times 8 goes into 27.

8 goes into 27 three times.

Now, multiply 8 and three together to figure out how many eights there are in 3.

3 = 24/8

There are still 3/8 remaining.

Your answer would be
3 3/8.

Message me if you need any help! Hope this helped
3 0
3 years ago
Read 2 more answers
How to find out how many cubes it takes? Can someone explain to me how to do the how many cubes does it take thing?
Harman [31]
In this case, you simply count how many cubes are in the length, width, and height and multiply them together. In the example problem, the answer is 75 blocks because the dimensions are 5 x 5 x 3.
5 0
3 years ago
Use Theorem 2.1.1 to verify the logical equivalence. Give a reason for each step. -(pv –q) v(-p^q) = ~p
sertanlavr [38]

Answer:

The statement \lnot(p\lor\lnot q)\lor(\lnot p \land \lnot q) is equivalent to \lnot p, \lnot(p\lor\lnot q)\lor(\lnot p \land \lnot q) \equiv \lnot p

Step-by-step explanation:

We need to prove that the following statement \lnot(p\lor\lnot q)\lor(\lnot p \land \lnot q) is equivalent to \lnot p with the use of Theorem 2.1.1.

So

\lnot(p\lor\lnot q)\lor(\lnot p \land \lnot q) \equiv

\equiv (\lnot p \land \lnot(\lnot q))\lor(\lnot p \land \lnot q) by De Morgan's law.

\equiv (\lnot p \land q)\lor(\lnot p \land \lnot q) by the Double negative law

\equiv \lnot p \land (q \lor \lnot q) by the Distributive law

\equiv \lnot p \land t by the Negation law

\equiv \lnot p by Universal bound law

Therefore \lnot(p\lor\lnot q)\lor(\lnot p \land \lnot q) \equiv \lnot p

4 0
3 years ago
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