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GaryK [48]
3 years ago
9

Speed limit signs are placed every 58 mi on the highway. How many signs are there on a 75 mi stretch of highway?

Mathematics
2 answers:
vodomira [7]3 years ago
4 0

Answer:

Only one because if it's every 58 miles the next one would be at 116 miles which is higher than 75

zhannawk [14.2K]3 years ago
4 0

Answer:

<em>1</em>

Step-by-step explanation:

its simple because if its every 58 miles then you would want to subtract since the numbers are so close together so it would be 75-58=17 and there is not enough to subtract so i would be 1.17 if you divided but since you cant put a .17th of a sign up then it would just be 1

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Write a sine function that has an amplitude of 5, a midline of 3 and a period of 1/8.
vodomira [7]

Answer:

y=5sin(16pix)+3

Step-by-step explanation:

Amp=5 means our curve is either y=5sin(bx+c)+d or y=-5sin(bx+c)+d.

y=sin(x) has period 2pi.

So y=sin(bx) has period 2pi/b.

We want 2pi/b=1/8.

Cross multiplying gives: 16pi=b

y=5sin(16pix+c)+d

d=3 since we want midline y=3.

y=5sin(16pix+c)+3

We can choose c=0 since we aren't required to have a certain phase shift.

y=5sin(16pix)+3

6 0
3 years ago
What is the median of the following data values? 108,102,43,100,22
PolarNik [594]

<u>Answer:</u> 100

<u>Reasoning:</u> The median is the "middle value" and to find it put the numbers in order from least to greatest.

22, 43, 100, 102, 108.

now take a number from both sides

43, 100, 102

Once again.

100

So 100 is the median.

6 0
3 years ago
Read 2 more answers
An item is regularly priced at $80. It is now priced at a discount of 20% off the regular price. What is the price now?
bekas [8.4K]

Answer:

64

Step-by-step explanation:

80*(1-0.2)

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A car travels at a speed of 25 miles per hour for t hours
Pepsi [2]

Answer: 25t+45m

Step-by-step explanation:

Really simple because if they traveled 25mi/h for t hours, that makes it 25t miles. They traveled 45mi/h for m hours so it's 45m. If you add them together, 25t+45m.

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Answer:

Step-by-step explanation:

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