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yuradex [85]
3 years ago
9

What is the value of this expression?

Mathematics
1 answer:
Whitepunk [10]3 years ago
7 0

Answer:

23 is the right answer. Use mathpapa if you need help with math. Its a algebra caculater.

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The price of a math book is 50$ but you only have 35$ if you get a discount of 20% how much money do you need?
igomit [66]

Price of the book = $50

20% discount = 0.2 x 50 = $10

After discount, the price of the book is

$50 - $10 = $40

I have $35, so I need

$40 - $35 = $5 more

Answer: I need to borrow $5 from a friend.

7 0
2 years ago
Layla has a coin that has a 60%, percent chance of showing heads each time it is flipped. She is going to flip the coin 5 times.
Semenov [28]

Answer:

0.33696

Step-by-step explanation:

Given that:

Probability of showing up head (p) = 0.6

Number of flips = number of trials = 5

Probability of getting more than 3 heads

P(x = x) = nCx * p^x * (1 - p)^(n-x)

P(x> 3) = p(4) + p(5)

P(x = 4) = 5C4 * 0.6^4 * 0.4^1 = 0.2592

P(x = 5) = 5C5 * 0.6^5 * 0.4^0 = 0.07776

Hence,

0.2592 + 0.07776

= 0.33696

3 0
2 years ago
Read 2 more answers
What is the probability of picking two blue marbles out of a bag containing 4 red, 5 blue, and
yarga [219]

Answer:

50 50

Step-by-step explanation:

8 0
2 years ago
Please help lol LOL lol
Arte-miy333 [17]
<h2>Answer:</h2>

Step 1: 17 - 9 = 8

Step 2: 8 + 4 = 12

4 more girls came to the park

Hope this helps!!

<h2>- Carmelle -</h2>
7 0
2 years ago
Read 2 more answers
If I have a room that is 15' x 20' what are the parameters of the room
pochemuha
550=km is what I think it is but not a hundred percent sure
3 0
3 years ago
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