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2 years ago

Adam earns $13.72 each hour that he works.He work 9 hours each week how much does adam earn each week

Mathematics

1 answer:

TiliK225 [7]2 years ago

4 0

Answer:

$123.48 per week

Step-by-step explanation:

$ = (13.72)(9)

Multiply:

$123.48

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Alice and Bob each choose at random a number between zero and two. We assume a uniform probability law under which the probabili

Mnenie [13.5K]

Answer / Step-by-step explanation:

Before we start to answer this question, it would be nice to understand some basic definition and principles:

Random: This refers to an unpredictable pattern of arrangement. Without a specific aim or logical procedural pattern.

Uniform Probability distribution: This is a type of probability distribution in which the outcomes of distribution irrespective of the pattern or distance results in equally likely outcomes.

Uniform distribution is one of the widely used distributions although it's one of the simplest ones. The idea behind this distribution is that, unlike the other distributions, the likelihood of the any outcome in the distribution range is the same.

Now that we have a brief knowledge of the key terms within the question, hence, to start answering the question,

(a) Starting with 0 for Alice, Bob can choose any number starting from 1 / 3 . As Alice increases, Bob has to increase his starting point as well. Therefore, after Alice passes 1 / 3 , Bob can start choosing numbers from 0. This creates 2 triangles with sides 1 / 3 . The area of them gives us the probability.

Therefore, : P = 2 ( 1/3 1/3 1/3)

= 4/9

(b) We can find the probability of having both the numbers less than 1 / 3 . Then we subtract this probability from 1.

We have: P = 1 - 1/3 . 1/3

= 8/9

(c) This is basically impossible as the area of a dot is negligible.

(d) It means that Alice needs to select a number between 1 / 3 and 1.

Therefore: P = 1 - 1 /3

= 2 / 3

8 0

3 years ago

Question 14

Reil [10]

Answer:

The system of equations has a one unique solution

Step-by-step explanation:

To quickly determine the number of solutions of a linear system of equations, we need to express each of the equations in slope-intercept form, so we can compare their slopes, and decide:

1) if they intersect at a unique point (when the slopes are different) thus giving a one solution, or

2) if the slopes have the exact same value giving parallel lines (with no intersections, and the y-intercept is different so there is no solution), or

3) if there is an infinite number of solutions (both lines are exactly the same, that is same slope and same y-intercept)

So we write them in slope -intercept form:

First equation:

$6x+y=-1\\y=-6x-1$

second equation:

$-6x-4y=4\\-6x=4y+4\\-6x-4=4y\\y=-\frac{3}{2} x-1$

So we see that their slopes are different (for the first one slope = -6, and for the second one slope= -3/2) and then the lines must intercept in a one unique point. Therefore the system of equations has a one unique solution.

6 0

3 years ago

The function h = -t 2 + 95 models the path of a ball thrown by a boy where h represents height, in feet, and t represents the ti

finlep [7]

On a building 95 feet from the ground

5 0

3 years ago

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A 25-foot streetlight casts a showdown 20feet long.If Melanie is standing at the end of the shadow casted by a 60. -foot tall bu

natka813 [3]

Melanie is 48 feet away from the building.
Heres my working

20% of 25=20 so 20% of 60=48.
Hope this helped ☺️

7 0

3 years ago

Which of the following points are solutions to the inequality below?

Helga [31]

The inequality :y ≥ 2 x - 1We shall plug-in all the values:A ) - 3 ≥ 6 - 1- 3 ≥ 5 ⊥ ( not correct )
B ) - 5 ≥ 4 - 1- 5 ≥ 3 ⊥C ) - 5 ≥ 6 - 1- 5 ≥ 5 ⊥D ) 0 ≥ 0 - 10 ≥ - 1 T ( correct )E ) - 8 ≥ 10 - 1- 8 ≥ 9 ⊥F ) - 9 ≥ 10 - 1- 9 ≥ 9 ⊥Answer: D ) ( 0, 0 ).

5 0

3 years ago

Read 2 more answers