MATHEMATICS HIGH SCHOOL

Name 2 linear expressions whose difference is 5x-4

Answers

Answer 1
Answer:

For this case we can write the following linear expressions:

We now subtract both linear expressions:

From here, we must subtract similar terms.

We have then:

Rewriting we have:

That is, we obtain the desired result.

Answer:

2 linear expressions whose difference is 5x-4 is:

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There are 12 students in a classroom, including the triplets joey, chloe, and zoe. If 3 of the 12 are randomly selcted to give speeches, what is the probability that joey with be first, chloe will be second, and zoe will be third?A: 1/1320 B: 1/4 C: 1/48 D: 1/220

Answers


The probability of choosing Joey first is  1/12 .

If that happens, the probability of choosing Chloe next is  1/11 .

Then, the probability of choosing Zoe after that is  1/10 .

The probability of all these things happening is

          (1/12) x (1/11) x (1/10) 

       =  1/1320 = 0.00076 = 0.076 percent 

The probability of event X is 30%. The probability of event Y is 40%. If events X and Y are mutually exclusive, what is the probability of event X or Y?70%

12%

10%

35%

Answers

The answer is 70%

Extra words because my answer was too short LOL

A phone store employee earns a salary of $450 per week plus 10% commission on her weekly sales.what function rule models the employers weekly earnings?

if the employee earned $570 in a week, what was the amount of her sales for that week?

Answers

Answer:

Weekly earning of employee, E(w) is given by 450+0.1w, where w is the weekly sales.

Weekly sales for that week = 1200 $

Step-by-step explanation:

A phone store employee earns a salary of $450 per week plus 10% commission on her weekly sales.

Let w be the  weekly sales, the weekly earning of employee, E(w) is given by

         E(w)=450+(10)/(100)* w=450+0.1w

So

     Weekly earning of employee, E(w) is given by 450+0.1w, where w is the weekly sales.

Now we need to find what was the amount of her sales for that week, if she earned 570 $

That is

                     570 = 450+0.1w

                     0.1 w = 570 - 450 = 120

                           w = 1200 $

Weekly sales = 1200 $
If w = earnings that week, and s = sales, w - 450 = s/10, or 10(w - 450) = s, simplified as 10w - 4,500 = s If the employee made $570 in one week, then w = 570. 10(570) - 4,500 = s, simplified as 5,700 - 4,500 = s, simplified as 1,200 = s. So the employee made 1,200 sales that week.

Which of the following ordered pairs represents a solution to the equation below?
y = 3x−2

Answers

Answer:

(0,-2) (1,1) (2,4)

Step-by-step explanation:

What is the union of the two sets A={2,3,6,11,16} and B={6,11}? A. {2,3,6,11,16} B. {2,3,16} C. {6,11} D. {16}

Answers

Union is everything in the two sets together, so the union would be:

{2,3,6,11,16} (B is a subset of A so there is no difference)
The answer is A.

If the function f(x) = mx + b has an inverse function, which statement must be true?

Answers

f(x) = mx + b is just equal to the equation
y = mx + b

In order for us to get the inverse function, then we can interchange x to y and y to x
y = mx + b
x = my + b

Then we need to find y
x = my + b
-my = -x + b
my = x - b
y = (x-b) / m
f(x) = (x - b) / m

Answer:

m ≠ 0

Step-by-step explanation:
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