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Dmitry [639]
3 years ago
10

In New York State's Quick Draw lottery, players choose between one and ten numbers that range from 1 1 to 80 . 80. A total of 20

20 winning numbers are randomly selected and displayed on a screen. If you choose a single number, your probability of selecting a winning number is 20 80 , 2080, or 0.25 . 0.25. Suppose Lester plays the Quick Draw lottery 6 6 times. Each time, Lester only chooses a single number. What is the probability that he loses all 6 6 of his lottery games
Mathematics
1 answer:
amid [387]3 years ago
7 0

Answer:

b

Step-by-step explanation:

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The most prevalent age group reporting stage fright was between 35 and 45 years of age. Wind instrument players were the group most involved (22% of those reporting stage fright).

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WILL GIVE YOU BRAINLIEST!! (only answer if u know for sure) A coin is flipped 20 times. 13 times the coin lands on heads. What i
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3 0
3 years ago
Solve for x with steps.
kiruha [24]

Answer:

no real solution is the answer

If you have to list your extraneous solutions somewhere, that would be x=0.

Step-by-step explanation:

Cool thing here is the radical, the thing with the square root, is already isolate.

So we need to square both sides as a first step.  (Whenever you raise both sides to even power, you must definitely check your solutions as some might not actually be solutions to the original equation)

So upon squaring both sides I get:

x^4+16=(x^2-4)^2

Now I will write (x^2-4)^2 as (x^2-4)(x^2-4) and foil it!  This gives me:

x^4+16=x^4-8x^2+16

Subtract x^4 and 16 on both sides:

       0=-8x^2

Divide both sides by -8

      0=x^2

Therefore x=0.

0 isn't actually a solution though because when you plug it in you get 4=-4 which is not true.

8 0
3 years ago
Can someone please help me with these 3, 7th grade math homework word problems. I will give brainliest and obviously a thanks
NikAS [45]

Answer:

Mia can spend no more than $55 at the mall. She buys a jacket for $23. Necklaces are on sale for $8. Find the amount of necklaces Mia can buy. Write and solve an inequality.

First, make the equation. She can't waste no more than(≥ or =) $55. And she already used $23.

55= 23+8(n)

n= number of necklaces she can buy.

Now, subtract 23 to both sides.

55= 23+8(n)

-23  -23

32= 8(n)

Then, divide by 8 to both sides to find how many necklaces she can buy.

<u>32</u>= <u>8(n)</u>

8      8

4=n So, she can buy 4 necklaces.

A bag of marbles contains 3 red, 5 blue and 2 yellow marbles. What is the probability of choosing a blue marble and then choosing a red marble without replacement. Simplify the fraction.

First, add up the whole amount of marbles.

3+5+2= 10

This is very simple, to find the probability, just put...

<u>number of blue marbles</u>

total number of marbles

This gives you, 5/10 and simplified into 1/2.

For the red marble, do the same thing.

<u>number of red marbles</u>

total number of marbles

This gives you, 3/10 and it can't be simplified.

A football team loses 5 2/3 yards on the first play. On the next play, they gain 2 3/4 yards. What is the overall increases or decreases in yards?

For this word problem, add 2 3/4 yards to 5 2/3 yards to find the overall decrease or increase in yards.

Solve the whole number parts..

5-2= 3

Solving the fractions part...

<u> 2 </u> - <u> 3 </u>= <u> 8 </u> - <u> 9 </u>=  <u>- 1 </u>

3     4     12    12     12

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So, it was a 2 11/12 decrease.

3 0
3 years ago
What ratio in lengths describe a fourth?
ladessa [460]
It’s E because that’s basically 1/4
6 0
3 years ago
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