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Rudiy27
3 years ago
15

Describe the error in writing an equation for the given diagram.

Mathematics
1 answer:
Leya [2.2K]3 years ago
4 0

Answer:

Step-by-step explanation:sorri no se _______________________________

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Mr Lim read 3 books in 2 hours. He took the same amount of time to read the first two books. He took 15 minutes longer to read t
Naya [18.7K]
He took 75 minutes to read the third book.
5 0
4 years ago
What is the answer? Please help
Phoenix [80]

Answer:

Step-by-step explanation:

g(5) = 5^2 - 3(5) = 25 - 15 = 10

f(10) = 4(10) - 2 = 40 - 2= 38

4 0
3 years ago
Please help with numbers 5, 6, 7, and 8 (Will give brainliest)
Harrizon [31]

Answer:

#5

  • If AB = BC, then BC = AB
  • Symmetric property of equality

#6

  • ∠A = ∠A
  • Reflexive property of equality

#7

  • If 2x - 5 + 3x = 10 ⇒ add up 2x and 3x ⇒ then 5x - 5 = 10
  • Associative property of addition

#8

  • If B is the midpoint of AC, then AB = BC
  • Definition of midpoint
4 0
3 years ago
According to an​ airline, flights on a certain route are on time 80 ​% of the time. suppose 10 flights are randomly selected and
natulia [17]
<span>(a) This is a binomial experiment since there are only two possible results for each data point: a flight is either on time (p = 80% = 0.8) or late (q = 1 - p = 1 - 0.8 = 0.2).
​(b) Using the formula:</span><span>
P(r out of n) = (nCr)(p^r)(q^(n-r)), where n = 10 flights, r = the number of flights that arrive on time:
P(7/10) = (10C7)(0.8)^7 (0.2)^(10 - 7) = 0.2013
Therefore, there is a 0.2013 chance that exactly 7 of 10 flights will arrive on time.
​(c) Fewer than 7 flights are on time means that we must add up the probabilities for P(0/10) up to P(6/10).
Following the same formula (this can be done using a summation on a calculator, or using Excel, to make things faster):
P(0/10) + P(1/10) + ... + P(6/10) = 0.1209
This means that there is a 0.1209 chance that less than 7 flights will be on time.
​(d) The probability that at least 7 flights are on time is the exact opposite of part (c), where less than 7 flights are on time. So instead of calculating each formula from scratch, we can simply subtract the answer in part (c) from 1.
1 - 0.1209 = 0.8791.
So there is a 0.8791 chance that at least 7 flights arrive on time.
(e) For this, we must add up P(5/10) + P(6/10) + P(7/10), which gives us
0.0264 + 0.0881 + 0.2013 = 0.3158, so the probability that between 5 to 7 flights arrive on time is 0.3158.
</span>
6 0
3 years ago
AB lies on a number line. The coordinate of point A is -6. Given that AB= 20, what are the two possible coordinates for point B?
sukhopar [10]
The fact that you must remember is that these points lie on a plane that have a a distance that is ALWAYS an absolute value.  If point A lies on -6 you can have two points that are of a distance 20 points in either direction.  If moving the left, point B can have a value of -26 and moving to the right, point B will have a value of 14.  Hope this is clear!

Good luck!
7 0
3 years ago
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