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3 years ago

50 POINTS!!PLZ HELP ASAP!!

Mathematics

2 answers:

SSSSS [86.1K]3 years ago

6 0

Answer:

1. Given

2. Addition Property of Equality

3. Simplify

4. Subtraction Property of Equality

5. Simplify

6. Division Property of Equality

7. Simplify

8. Answer

Step-by-step explanation:

1. Given

2. Addition Property of Equality

3. Simplify

4. Subtraction Property of Equality

5. Simplify

6. Division Property of Equality

7. Simplify

8. Answer

AlexFokin [52]3 years ago

3 0

Answer: Solution for 6-8x=-5x+6 equation:

6-8x=-5x+6

We move all terms to the left:

6-8x-(-5x+6)=0

We get rid of parentheses

-8x+5x-6+6=0

We add all the numbers together, and all the variables

-3x=0

x=0/-3

x=0

Step-by-step explanation:

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For the school play, adult tickets cost 4 and children tickets cost 2. Natalie is working at the ticket counter and just sold 20

Svetradugi [14.3K]

The possible combinations of adult tickets and children tickets are : (0, 10), (1, 8), (2, 6), (3, 4), (4, 2), (5, 0)

<u><em>Explanation</em></u>

Suppose, the number of adult tickets is $x$ and the number of children tickets is $y$

Given that, adult tickets cost 4 and children tickets cost 2 and Natalie sold 20 worth of tickets. So the equation will be.....

$4x+2y=20\\ \\ 2y= 20-4x\\ \\ y= 10-2x$

If x = 0, then $y= 10-2(0)= 10$

If x = 1 , then $y= 10-2(1)= 8$

If x = 2 , then $y= 10-2(2)= 6$

If x = 3 , then $y= 10-2(3)= 4$

If x = 4 , then $y= 10-2(4)= 2$

If x = 5 , then $y= 10-2(5)= 0$

If we take x value greater than 5 , then y will become negative which is not possible.

So, the possible combinations of adult tickets and children tickets are : (0, 10), (1, 8), (2, 6), (3, 4), (4, 2), (5, 0)

8 0

4 years ago

Simplify. 14+{−2+3[1+3(−6−2)]} show how to solve as well with answer

frez [133]

It’s -57 thank me later

3 0

4 years ago

Read 2 more answers

5x over 4 = 3 over 7

yan [13]

Answer:

The answer is x=12/35

6 0

3 years ago

Jackson goes to the gym 0, 2, or 3 days per week, depending on work demands. The expected value of the number of days per week t

valina [46]

For a probability distribution the expected value is the summation of product of probabilities with their respective data values. Let x be the probability that Jackson goes gym for 2 days and y be the probability that he goes gym for 3 days.

For the given case we have following values and their probabilities:

0 : 0.1

2 : x

3 : y

So the expected value will be = 0(0.1) + 2(x) + 3(y)

Expected value is given to be 2.05. So we can write the equation as:

2x + 3y = 2.05 (Equation 1)

Also for a probability distribution, the sum of probabilities must always equal to 1. So we can set up the second equation as:

0.1 + x + y = 1

x + y = 0.9 (Equation 2)

From Equation 2 we can write the value of x to be x = 0.9 - y. Using this value in equation 1, we get:

2(0.9 - y) + 3y = 2.05

1.8 - 2y + 3y = 2.05

1.8 + y = 2.05

y = 0.25

Using the value of y in equation 2 we get value of x to be 0.65

Therefore we can conclude that:

The probability that Jackson goes to gym for 2 days is 0.65 and the probability that he goes to gym for 3 days is 0.25

6 0

4 years ago

Read 2 more answers

Solve the system of equations by elimination. Explain your reasoning or show your work.

saul85 [17]

9514 1404 393

Answer:

(x, y) = (5, 4)

Step-by-step explanation:

Subtracting the second equation from the first eliminates the x term.

(4x +6y) -(4x +2y) = (44) -(28)

4y = 16 . . . . simplify

y = 4

Using the second equation to find x, we have ...

4x +2(4) = 28

x + 2 = 7 . . . . . . divide by 4

x = 5 . . . . . . . . . subtract 2

The solution is (x, y) = (5, 4).

7 0

3 years ago