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Daniel [21]
3 years ago
13

Katherine worked a total of 60 hours a week. She was paid $4.50 an hour. How much money did she make a week

Mathematics
1 answer:
Masja [62]3 years ago
3 0
$260.00 money was made
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Please help and thank you!
Stolb23 [73]

The conversion is

x =  r \cos \theta

y = r \sin \theta

So

\dfrac y x = \tan \theta

We're given the fairly unusual

\theta = -\frac 5 2

It's fairly unusual because usually an angle is given in degrees or radians, and typically the radians are a fraction times pi. We'll assume radians.

\dfrac y x = \tan \theta = \tan(-5/2) \approx 0.747

Ah, there's our .75. The approximate answer is

y = 0.75 x

Third choice.

The exact answer is

y = x \tan( -\frac 5 2)

also a line through the origin.

3 0
3 years ago
The mean of birth weights for individual babies in the population is 3,500 grams. What is the mean birth weight for the sampling
Gala2k [10]

Answer:

The mean birth weight for the sampling distribution is

3,500 grams.

Step-by-step explanation:

The sample mean is the average of the sample values collected divided by the number of the samples, while the population mean is the average or mean of all the values in the population.  If the sample is random and the sample size is large enough, then the sample mean would be a good estimator of the population mean.  This implies that with a randomly distributed and unbiased sample size, the sample mean and population mean will be equal, according to the central limit theorem. Therefore, the mean of the sample means will always approximate the population mean.

8 0
3 years ago
GUYS HELP IM STRUGGLING PLEASE HELP ME ASAP GUYS!!!!
myrzilka [38]

Answer:

22.75

Step-by-step explanation:

3.5 x 6.5 = 22.75

.5 means half

x is for Multiplication

6 0
2 years ago
What is 2x-3y=5<br> x+2y=-1
Alexxx [7]

Answer:

   a system of linear equations with solution (x, y) = (1, -1)

Step-by-step explanation:

The two given linear equations in x and y are consistent and independent, so will have one solution. That solution is easily found using a graphing calculator. It is (x, y) = (1, -1).

_____

"What is ..." is a pretty open question with lots of different answers that won't be helpful. If you're seeking a specific answer, it would be nice to see the question say what answer you seek.

5 0
3 years ago
Do you think Apple will eventually meet their goal of becoming a replacement for a physical wallet? Why or why not?
Simora [160]

Answer:

No

Step-by-step explanation:

This would be more of an opinion and not a fact, but I see it as very unlikely that they will be able to accomplish this goal. Mainly due to human psychology. Most individuals want to be able to physically hold their money as well as being able to physically exchange their money for the goods that they need since physical cash is accepted worldwide. Another main reason is that individual's want to know that their money is theirs and that no bank or corporation can withhold their hard earned cash.

5 0
2 years ago
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