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elena-s [515]
3 years ago
7

It was noted that the probability of a flight arriving early is 1/10 and the probability of a flight arriving late is 2/5

Mathematics
1 answer:
Aloiza [94]3 years ago
8 0
Assuming independence,
prob=P(late,early)+P(early,late)=(1/10)(2/5)+(2/5)(1/10)
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We want to find the zeros of this polynomial:<br> p(x)= 3x^3 – 3x^2– 18x
bulgar [2K]

Answer:

x=0   x=3   x=-2

Step-by-step explanation:

p(x)= 3x^3 – 3x^2– 18x

Factor out the greatest common factor, 3x

p(x)= 3x (x^2 – x– 6)

Factor inside the parentheses

What 2 numbers multiplies to -6 and adds to -1

-3*2 = -6

-3+2 = -1

p(x)= 3x (x-3)(x+2)

Setting the function equal to zero to find the zeros

0 = 3x (x-3)(x+2)

Using the zero product property

3x = 0  x-3 =0   x+2 =0

x=0   x=3   x=-2

3 0
3 years ago
Read 2 more answers
HELP ME PLEASE I HAVE BEEN DOING THIS FOR TWO HOURS, I BEG OF YOU‍♀️‍♀️
BabaBlast [244]

Answer:

  • The first factor is itself the sum of two terms
  • The solution is the product of two factors

Step-by-step explanation:

The math symbols of the expression include parentheses, a plus sign, and a multiplication symbol. The order of operations tells you to do the "plus" operation inside parentheses first. The numbers involved in a "plus" operation, or sum, are called "terms." The result is their sum.

Then the second operation in the order of operations is to do the multiplication of the sum on the left of the multiplication symbol by the number to the right of the multiplication symbol. The numbers involved in multiplication are called "factors". The result of multiplication is called a "product."

Matching up this vocabulary with what you see, you realize ...

  • the first factor is the sum of two terms
  • the end result of evaluating the expression is the product of two factors
6 0
4 years ago
Me.jhonson sells erasers for $3 each he sold 96 erasers last week and he sold 204 eraser this week about how much more money did
Sveta_85 [38]
Step 1:
96 divided by $3 = $32

Step 2:
204 divided by $3= $68

Step 3:
$68-$32=36

He made $36 more this week
5 0
4 years ago
1. ris 4 more than the product of 7 and 8
sergey [27]

Answer:

i dont know if this is the answer u want

4+(7*8)=x

x= 60

Step-by-step explanation:

3 0
3 years ago
Solve for the value of k
anygoal [31]

Notice that if we add the 3 angles in the image, the outcome should be an angle of 180° (the one of the line alone)

With this, we will found that the answer is k = 13

Let's do the math, for the initial information we can write:

(4k - 7)° + 90° + (3k + 6°) = 180°

Where the 90° comes from the right angle, the one written with a little square.

Now we can solve this for k

(4k - 7)° + 90° + (3k + 6°) = 180°

(4k + 3k)° +  (-7° + 90° + 6°) = 180°

7°k + 89° = 180°

7°k = 180° - 89° = 91°

k = 91°/7° = 13

So we found that the value of k is 13.

If you want to learn more,  you can read:

brainly.com/question/13690593

5 0
3 years ago
Read 2 more answers
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