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topjm [15]
3 years ago
5

The table below shows the amount of money Michelle has

Mathematics
1 answer:
goldfiish [28.3K]3 years ago
3 0
Answer: b
Explanation: every month she get $15 more added which means the slope is $15
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C in my opinion
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2 years ago
For the pair of similar triangles, find the value of x.
Murljashka [212]

Find the scale between sides xz and gh

18/4 = 4.5

Multiply the length of fh by the scale to find x


6 x 4.5 = 27


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A florist sold 24 red roses and twice as many pink roses on Saturday he sold 36 pink roses and half as many red roses on Sunday
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Answer:12

Step-by-step explanation:

8 0
3 years ago
A limnologist wishes to estimate the mean phosphate content per unit volume of lake water. It is knownfrom studies in previous y
telo118 [61]

Answer: 68

Step-by-step explanation:

As per given , we have

Population standard deviation : \sigma=4

Critical value for  90% confidence interval =z_{\alpha/2}=1.645

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The formula to find the sample size is given by :-

n=(\dfrac{z_{\alpha/2}\ \sigma}{E})^2

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=67.650625\approx68

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6 0
3 years ago
The barber’s profit each week depends on his charge c per haircut. It is modeled by p = -200c2 + 2400c – 4700. What is the reaso
Marianna [84]

Answer:

0 ≤ c ≤ 12

Step-by-step explanation:

The function can be rearranged to ...

p = 200c(12 -c) -4700

suggesting that revenue will be zero for a charge of 0 or for a charge of 12, and that fixed expenses are 4700. Charges less than 0 are uninteresting, and charges high enough to cause the number of customers to be negative also don't make any sense in this context.

Though out of the range of likely consideration, charges low or high enough to cause profit to be negative (more than 9.54, for example) seemingly can be reasonably modeled by this function.

6 0
3 years ago
Read 2 more answers
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