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3 years ago

I'm having some trouble on part B for this question, got no idea where to start on it. Any help?

Mathematics

1 answer:

Inessa05 [86]3 years ago

8 0

Answer:

20,000 in sales last month.

Step-by-step explanation:

can't really explain it I just found how much in sales would make that amount of commission.

5000 with 5%

15000 with 7.5%

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What is the solution 4(x-8) + 10= -10

Sati [7]

Answer:

x = 3

Step-by-step explanation:

given

4(x - 8) + 10 = - 10 ← subtract 10 from both sides

4(x - 8) = - 20 ← divide both sides by 4

x - 8 = - 5 ← add 8 to both sides

x = 3

7 0

3 years ago

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It is believed that 43% of the US population can play the piano, 28% can play the guitar, 15% can play the harmonica, 12% can pl

melomori [17]

Answer:

The smallest sample size to satisfy the conditions is n=500.

Step-by-step explanation:

The condition for performing the inference related to the sample size is that, for all the categories, the expected success and failures in the sample are at least 10:

$np\geq10\\\\n(1-p)\geq10$

The largest sample size required will be for the minimum p or (1-p).

This happens to be the proportion that can play other instruments: 2%.

Then, we can calculate the minimum sample size as:

$np\geq10\\\\n(0.02)\geq10\\\\n\geq(10/0.02)\\\\n\geq500$

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3 years ago

Given that R = 6x + 3y

GrogVix [38]

Answer:

y = 2/3

Step-by-step explanation:

14 = 6(2) + 3y

14 = 12 + 3y

2 = 3y

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3 years ago

Answer this please!!

Hunter-Best [27]

Answer:

A is the answer

Step-by-step explanation:

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3 years ago

What is the solution to this systems of equations?

kiruha [24]

Answer:

x= 2
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Step-by-step explanation:

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3 years ago

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