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GrogVix [38]
3 years ago
6

Robyn incorrectly solved a rational equation. Her work is shown. What error did she make?

Mathematics
2 answers:
natali 33 [55]3 years ago
7 0

she didn't distribute properly

ruslelena [56]3 years ago
3 0

In the second step while distributing she made a mistake

It should have been

2x^2 -4x -6x +18 = 9x - 27

So answer should be

She did not use the distributive property correctly

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you are the sales manager for solar panel company. you receive a commission based on the total sales of all the salespeople you
kondaur [170]

Answer:

The total commission is $8905

Step-by-step explanation:

The commission on first $80000 = 2%

The commission on next $80000 = 4%

The commission on the sales of more than $160000 = 5%

Now we have to calculate the total commission on the amount of $242100. Let divide the amount in three parts, $80000 + $80000 + $82100 = 242100

Now total commission = $80000×2% + $80000 ×4% + $82100×5%

Total commission = $8905

7 0
3 years ago
Find sin(a) in the triangle.<br> Choose 1 answer:
melomori [17]

Answer:

<h2>sin B sorryonlearning</h2>
4 0
3 years ago
You randomly draw a marble out of a bag that contains 20 total marbles. 12 of the marbles in the bag are blue.
Advocard [28]

Answer:

P(Blue)=0.60

Step-by-step explanation:

Probability: Probability\ of\ an\ event=\frac{favourable\ outcome}{total\ outcome}

Total\ marbles=20\\\\Hence\ total\ outcomes=20\\\\Blue\ marbles=12\\\\Hence\ favourable\ outcomes=12\\\\P(Blue)=\frac{12}{20}\\\\P(Blue)=\frac{2\times 6}{2\times 10}\\\\P(Blue)=\frac{6}{10}\\\\P(Blue)=0.60

6 0
3 years ago
A woman bought a number of items for $24. She realized that if she had bought 4 more items for
Roman55 [17]

Answer:

The woman bought 2 items at $12 each.

Step-by-step explanation:

Given that a woman bought a number of items for $ 24, and she realized that if she had bought 4 more items for the same money, she would have paid $ 8 less per item, to determine how many Items did she buy the following calculation must be done:

X = 24

X + 4 = 24

24/2 = 12

24/6 = 4

12 - 4 = 8

Therefore, the woman bought 2 items.

3 0
3 years ago
654 divided by some number is 218
dimulka [17.4K]
Take 654 and divide it by 218.
654/218=3
Another way that I solve this is look at 8 and see what number times 8 have 4 at the end. 3x8=24. Check and see. 218x3=654.
5 0
3 years ago
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