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fgiga [73]
3 years ago
13

An 85% chance that a flight on Broadway Airlines is on time out of a total of 600 flights. How many are expected to arrive on ti

me.
Mathematics
1 answer:
Slav-nsk [51]3 years ago
8 0

600 * 0.85 (the way to work out 85% of something) = 510 flights on time

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Second time posting this. Please help!! :)
Vedmedyk [2.9K]

Answer:

Step-by-step explanation:

\frac{480+24(x-40)}{x}

The numerator of the rational expression the money he earned for 'x' hours

The rate at which William is paid for each hour in excess of 40 hours 24.

x = 50 hours = (40 + 10 ) hours

The amount paid for excess 10 hours = 24 *10 = 240

Total amount earned for the week = 480 + 240 = 720

5 0
3 years ago
Solve for x
Ulleksa [173]

Answer:

C. x = 1

Step-by-step explanation:

To solve this problem the best way is to use the quadratic formula. First make everything equal to 0 by adding 3 to both sides.

3x^2 - 6x + 3 = 0

The quadratic formula is: \frac{-b\pm\sqrt{b^2-4ac} }{2a}. Substitute the values of a, b, and c into the formula. Keep in mind:

  • a = 3
  • b = -6
  • c = 3

\frac{-(-6)\pm\sqrt{(-6)^2-4(3)(3)} }{2(3)} \rightarrow \frac{6\pm\sqrt{36-4(9)} }{6} \rightarrow \frac{6\pm\sqrt{0} }{6} \rightarrow \frac{1\pm0}{1} \rightarrow 1

Therefore, x = 1.

8 0
3 years ago
Use the initial term and the recursive formula to find an explicit formula for the sequence an. Write your answer in simplest fo
agasfer [191]

From the recursive rule

a_n = a_{n-1}-13

it follows that

a_{n-1}=a_{n-2}-13 \implies a_n = a_{n-2} - 2\times13

a_{n-2}=a_{n-3}-13 \implies a_n = a_{n-3} - 3\times13

and so on. Notice how the subscript on a on the right side and the coefficient multiplied by 13 add up to n (n - 2 + 2 = n; n - 3 + 3 = n; and so on). If we continue the pattern, we'll end up with

a_n = a_1 + (n-1)\times13

so that the explicit rule for the n-th term in the sequence is

a_n = -2 + 13(n-1) \implies a_n = \boxed{13n-15}

6 0
2 years ago
What's the answer to this math picture please?
professor190 [17]

Answer:

m<BGC = 145°

Step-by-step explanation:

<AGC and <DGB are vertical angles. Vertical angles are congruent. Therefore:

m<AGC = m<DGB

3x + 20 = 8x - 5 (substitution)

Collect like terms

3x - 8x = -20 - 5

-5x = -25

Divide both sides by -5

x = 5

m<BGC = 180 - (m<AGC) (linear pair)

m<BGC = 180 - (3x + 20)

Plug in the value of x

m<BGC = 180 - (3(5) + 20) = 180 - 35

m<BGC = 145°

3 0
3 years ago
Postal Packages shipped a total of 120 packages last week, and 24 of them were shipped internationally. What percent of the pack
dsp73

Answer:20% OF THEM WERE SHIPPED INTERNATIONALLY IT IS THE BLUE MODEL NOT THE PINK ONE

Step-by-step explanation:

3 0
3 years ago
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