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ella [17]
3 years ago
12

Avery tosses a coin 100 times. It lands on heads 60 times and on tails 40 times. What is the experimental probability that it wi

ll land on heads.
A) 1/2
B) 3/5
C) 2/3
D) 3/4
Mathematics
1 answer:
True [87]3 years ago
4 0

Your answer will be B) 3/5

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I Think 5.7 I’m Not Sure
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What is the value of 7P4?<br> 144<br> 35<br> 28<br> 840
elixir [45]

Answer: The value of 7P4 is 28

6 0
2 years ago
The measures of two angles are 4x and (2x+12). what is the measurement of each angle if x=13?
oksano4ka [1.4K]

Answer:

52 and  38

Step-by-step explanation:

If x = 13 then 4x = 4 * 13 so 52.  

Same for the next one.  2x = 2 * 13 so 26.  26+12 is 38.  

Done...

7 0
3 years ago
Factorising quadratics<br><br> X squared + 5x -6<br> X squared - 2x15<br> X squared -7x +12
34kurt

Answer:

  • (x -1)(x +6)
  • (x -5)(x +3)
  • (x -4)(x -3)

Step-by-step explanation:

In each case, you're looking for divisors of the constant that have a sum equal to the x-coefficient. Those divisors are the constants in the binomial factors.

1) -6 = -1·6 = -2·3 . . . . . (-1)+(6) = 5, so these are the constants of interest.

  x^2 +5x -6 = (x -1)(x +6)

__

2) -15 = -1·15 = -3·5 = -5·3 . . . . . (-5)+(3) = -2, so these are the constants of interest

  x^2 -2x -15 = (x -5)(x +3)

__

3) 12 = -1·-12 = -2·-6 = -3·-4 . . . . . (-3) +(-4) = -7, so these are the constants of interest

  x^2 -7x +12 = (x -3)(x -4)

5 0
3 years ago
PLS HURRY FIRST ONE TO DO IT GETS BRAINLEIST Maria and her classmates are standing with other people in a line of 35 people wait
solniwko [45]

Answer:

7 classmates

Step-by-step explanation:

The last person in the line is in position 35.

The Maria's leading classmate is in the position 35-23+1 = 13.

So, Maria's classmates are from position 13 to 19 (not including herself), and their number is 19-12 = 7 persons.

ANSWER.  Maria has 7 classmates  (not including herself).

Hope this helps.

4 0
2 years ago
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