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Colt1911 [192]
3 years ago
14

Solve the following step by step

Mathematics
2 answers:
GalinKa [24]3 years ago
8 0
Multiply both sides by 3. 9x + 21 = 2x + 13
Take away 2x from both sides to get 7x + 21 = 13
Take away 21 from both sides to get 7x = 8
Now divide both sides by 7.
X must be 1 1/7
Jobisdone [24]3 years ago
7 0

Answer:

12

by-step explanation:

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How do you rename a mixed number as a fraction khan academy.
elena-s [515]

Answer:

There's no answer choices but I can give you an example.  

Step-by-step explanation:

  1. Let's say you have \frac{25}{4}.  
  2. Think about what the closest whole number 25/4 will give you.  Since 24 and 25 are close you can do 24/4 and get 6.  
  3. Now since you took one number away from the 25 you have a remainder.  
  4. Since the denominator is 4 your final answer would be 6\frac{1}{4}.  

Hopefully this helps.  

5 0
2 years ago
A bicycle sells for $240. The sales tax is 6%. What is the total cost of the bicycle?
Bogdan [553]
Answer: $254.40

Explanation:
240*1.06= 254.40

Another way:
240*.06= 14.40
240+14.40= 254.40

The total would be $254.40
8 0
3 years ago
−4x+5y=7 8x-10y=-15 No solution, infinite solution, or one solution
garik1379 [7]

Answer:

Step-by-step explanation:

-4x + 5y = 7

 8x - 10y = -15

-8x + 10y = 14

 8x - 10y = -15

0 ≠ -1

no solution

6 0
3 years ago
What is the answer to this question?
ElenaW [278]

sorry but i need the points thx

7 0
2 years ago
Read 2 more answers
Experimental vs. Theoretical Probability:
liubo4ka [24]
Hello Nitagomez,

To start the numbers 1 through 6 are on a number cube.
Half of them are even, 2, 4, and 6.

So it makes sense that when you roll the cube 60 times, you should have 30 even numbers. The theoretical probability is 30.

A predication of 20 is 10 less than the expected value of 30.
10 out of 30 is 33%.

The predication is off by 33%, I would argue that it is not a very good prediction.

I hope this helps, Good luck!
MrEquation
6 0
3 years ago
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