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Hoochie [10]
3 years ago
5

Dwayne wrote a two-digit number. He multiplied it by 3, added 18, and divided by 8. His final answer was 9. What number did Duwa

yne write?

Mathematics
1 answer:
Karolina [17]3 years ago
8 0
Question 1:
(x*3)+18/8=9    is the equation
(x*3)+18=72     multiply by 8
(x*3)=54           Subtract 18
x=18                 Divide by 3

The two digit number is 18

Question 2:
x*4=43             Divide by 4
x=10.75           10 3/4
10 3/4+3 3/4     Solve
14 1/2

Pablo is 14 1/2 years old
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The probability of spinning a 4 on a spinner is 0.125.If you spun 150 times approximately how many times would the spinner land
Ksivusya [100]

Answer:

19

Step-by-step explanation:

To calculate this, all we need to do is 150 * 0.125 ≈ 18.75 which rounds to 19. We round to the nearest integer because you can't land on the 4 18.75 times.

6 0
3 years ago
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A system of equations can be solved by elimination in the table below. Does the system of equations on line 4 have the same solu
devlian [24]

Answer:

Full question attached below.

Yes, the system of equations on line 4 has the same solution set as the system of equations on line 1

Step-by-step explanation:

There is no difference between the systems of line 1 and 4

1st system

5x + 3y = 14

4x - 2y = -2

4th system

10x + 6y = 28

12x - 6y = -6

In the fourth system, we factor number 2 from the first line, and number 3 from the second line

4th system

2[5x + 3y] = 2[14]

3[4x - 2y] = 3[-2]

If we simplify,

4th system

[5x + 3y] = [14]

[4x - 2y] = [-2]

We get the same system as the 1st

Therefore, the solution is the same.

8 0
3 years ago
(Giving Branliest)
bekas [8.4K]

Hey there! I'm happy to help!

28(5280)=147840 feet per hour.

There are 60 minutes in an hour. To find out how many feet Bolt runs in a second we divide by 60.

147840/60=2464

And we divide by sixty again to get to seconds.

2464/60=41 1/15 feet per second.

Have a wonderful day! :D

8 0
3 years ago
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What is the quotient (2x^3 + 3x - 22) / (x-2)
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Answer:

The quotient is 2x^2+4x+11

Step-by-step explanation:

6 0
3 years ago
Transformations were performed on pentagon H as shown in the graph. What types of transformations were performed? Do those trans
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D. Translation and dilation, no
You know it’s a translation because first it’s not in the same spot and second it is an answer choice in all the answer
You know it’s not a reflection because the shape looks the same and every point faces the same direction
So that is means it’s a dilation.
You also know that it’s a dilation because there is a size difference between the two.
Lastly because of the size difference, they aren’t congruent because congruent means the same and they aren’t the same size
8 0
3 years ago
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