3 years ago

Lin is paid 90$ for 5 hours of work?

Mathematics

2 answers:

allochka39001 [22]3 years ago

6 0

Answer:

99 dollars

Step-by-step explanation:

90 divided by 5 equals 18 slice that in half you get 9.

90 + 9 =99

Irina-Kira [14]3 years ago

5 0

Answer:

the awnser for this question is 99 hope this helps

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Total marbles = 2 + 7 = 9

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At prestige university, the ratio of females to males is 3:1. if there are a total of 4811 students, how many are female?

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Round 257,650 to the nearest hundred

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The answer is either 257,600 or 257,700. I think you need to round up to 127,700.

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Solve for the equation, show all your work. This is an absolute value equation. You need to show both equations and the work for

VMariaS [17]

Answer:

$x=-1$ or $7$

Step-by-step explanation:

We use casework on when $3x-9=12$ and when $3x-9=-12$ .

For the first case, $3x-9=12$ , we add 9 to both sides to get

$3x=21$ .

Dividing both sides by 3 gives

$x=7.$

For the second case, $3x-9=-12$ , we add 9 to both sides to get

$3x=-3$ .

Dividing both sides by 3 gives

$x=-1$ .

Checking both cases, we plug in $x=7$ and $x=-1$ .

For the first case, we have $|3(7)-9|=|21-9|=|12|=12$ , which satisfies the equation.

For the second case, we have $|3(-1)-9|=|-3-9|=|-12|=12$ , which also satisfies the equation.

This gives us two solutions to the equation; $x=7$ and $x=-1$ .

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