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sineoko [7]
3 years ago
11

9x + 7 < 8x - 2 HELPPPPPPPP

Mathematics
2 answers:
-Dominant- [34]3 years ago
7 0

Step by Step Solution:

Rearrange:

Rearrange the equation by subtracting what is to the right of the greater than sign from both sides of the inequality :

                9*x-7-(8*x-2)<0  

Step by step solution :

STEP

1 :  Solve Basic Inequality :

1.1     Add  5  to both sides

             x < 5

Inequality Plot :  

1.2      Inequality plot for

         x  - 5.000  <  0

 

One solution was found :

x < 5

konstantin123 [22]3 years ago
4 0

Answer:

x< -9

Step-by-step explanation:

9x-8x<-2-7

x< -9

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Answer:

Cheryl is correct.

Step-by-step explanation:

Cheryl solved a problem : 84 ÷ 0.01 = 8,400.

This is absolutely right.

When we divide any whole number with the divisor having decimal, we change the divisor to a whole number before performing the division.

To do this, we multiply both the numbers (divisor and dividend) by the same power of 10, until the divisor is a whole number.

\frac{84\times 10}{0.01\times 10} = \frac{840}{0.1}

to make divisor a whole number we will again multiply both the numbers by 10.

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Now answer would be 8400.

Therefore, Cheryl is correct.

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