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Bogdan [553]
4 years ago
6

What is 3.341 to the nearest tenth.

Mathematics
2 answers:
Mumz [18]4 years ago
3 0
3.341 to the nearest tenth is 3.3
densk [106]4 years ago
3 0
3.3 because the tenth place does not round up.
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Shayna enlarged a square photo by adding 10 inches to each side so it could be seen on a large poster. The area of the enlarged
ivanzaharov [21]
The area of a square is expressed as the length of the side to the power of two, A = s^2. We were given the area of the enlarged photo which is 256 in^2. Also, it was stated that the length of the enlarged photo is the length of the original photo plus ten inches. So, from these statements we can make an equation to solve for x which represents the length of the original photo.

A = s^2
where s = (x+10)
A = (x+10)^2 = 256
Solving for x,
x= 6 in.

The dimensions of the original photo is 6 x 6.
7 0
3 years ago
Read 2 more answers
Expected Value (50 points)
garri49 [273]

Let W be the random variable representing the winnings you get for playing the game. Then

W=\begin{cases}10-1=9&\text{if the dice sum is odd}\\5-1=4&\text{if the dice sum is 4 or 8}\\50-1=49&\text{if the dice sum is 2 or 12}\\-1&\text{otherwise}\end{cases}

First thing to do is determine the probability of each of the above events. You roll two dice, which offers 6 * 6 = 36 possible outcomes. You find the probability of the above events by dividing the number of ways those events can occur by 36.

  • The sum is odd if one die is even and the other is odd. This can happen 2 * 3 * 3 = 18 ways. (3 ways to roll even with the first die, 3 ways to roll odd for the die, then multiply by 2 to count odd/even rolls)
  • The sum is 4 if you roll (1, 3), (2, 2), or (3, 1), and the sum is 8 if you roll (2, 6), (3, 5), (4, 4), (5, 3), or (6, 2). 8 ways.
  • The sum is 2 if you roll (1, 1), and the sum is 12 if you roll (6, 6). 2 ways.
  • There are 36 total possible rolls, from which you subtract the 18 that yield a sum that is odd and the other 10 listed above, leaving 8 ways to win nothing.

So the probability mass function for this game is

P(W=w)=\begin{cases}\frac12&\text{for }w=9\\\frac29&\text{for }w=4\text{ or }w=-1\\\frac1{18}&\text{for }w=49\\0&\text{otherwise}\end{cases}

The expected value of playing the game is then

E[W]=\displaystyle\sum_ww\,P(W=w)=\frac92+\frac89-\frac29+\frac{49}{18}=\frac{71}9

or about $7.89.

7 0
3 years ago
If you are given the length of a hypotenuse and the length of an adjacent side, what
Evgen [1.6K]

Answer:

cosine

Step-by-step explanation:

6 0
3 years ago
Jan says that a rhombus is a parallelogram and that every parallelogram is also a rhombus. Is Jan correct?
marysya [2.9K]

Answer:

No

Step-by-step explanation:

A parallelogram has opposite sides parallel and equal in length. Also, opposite angles are equal. Squares, rectangles, and rhombuses are all parallelograms. So all parallelograms are not rhombuses.

7 0
3 years ago
80% out of 1000 is what
exis [7]
80% of 1000 is 800 hope this helps :)
5 0
4 years ago
Read 2 more answers
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