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2 years ago

Which graph represents the solutions of 0.8x - 0.6 ≥ 0.9x + 4.1?

Mathematics

1 answer:

nlexa [21]2 years ago

7 0

Solve for x:

0.8x -0.6 ≥ 0.9x +4.1

Multiply both sides by 10 to remove decimals:

8x -6 ≥ 9x +41

Add 6 to both sides:

8x ≥9x + 47

Subtract 9x from both sides:

-1x ≥ 47

Divide both sides by -1 and because you are dividing by a negative number you need to reverse the inequality:

x ≤ -47

The correct graph is A.

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2 years ago

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oksian1 [2.3K]

Let the age of Jay be x years, so age of Jay's father is 2x years .

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The answer is: 18° .
__________________________________________________
Explanation:
________________________________
x + 4x = 90 ; solve for "x"
____________________________
5x = 90 ;
____________________________
Divide EACH SIDE of the equation by "5"; to isolate "x" on one side of the equation; and to solve for "x" ;
___________________________________________________
5x / 5 = 90 / 5 ;
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x = 18 ; The answer is: 18° .
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2 years ago

Which graph represents the solutions of 0.8x - 0.6 ≥ 0.9x + 4.1?​

Which graph represents the solutions of 0.8x - 0.6 ≥ 0.9x + 4.1?