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natulia [17]
3 years ago
11

Over a 24-hour period, the temperature in a town can be modeled by one period of a sinusoidal function. The temperature measures

70°F in the morning, rises to a high of 80°F, falls to a low of 60°F, and then rises to 70°F by the next morning. What is the equation for the sine function f(x), where x represents time in hours since the beginning of the 24 hour period, that models the situation?
Mathematics
2 answers:
oksano4ka [1.4K]3 years ago
7 0
What was the answer?
a_sh-v [17]3 years ago
7 0

Answer:

10sin(πx12)+70

Step-by-step explanation:

Just took test this is the correct answer hope it helps

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Find the area of the given quadrilateral.<br> Pls :)
Tasya [4]

I think your teacher may have made a typo. Refer to the diagram below. If we ignore segment ZA for now, we can see a rectangle forms with angle W = angle Y = 90. Also, we can see that WX = 6 is the horizontal base and WZ = 8 is the vertical height.

However, the side opposite WZ (which is XY) should also be 8 cm tall, and not 6 cm. If XY was 6 cm, then point Y would move to where point A is located (and the quadrilateral would be WXAZ instead of WXYZ). This new quadrilateral would not have a 90 degree angle at point Y's new location.

In other words, if we want angle Y to be 90 degrees, then side XY must be 8 units long. I have a feeling this is where the typo is, but your teacher might have been intending to say something else.

7 0
2 years ago
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Geoffrey is trying to earn $50 to buy a video game. He has saved $14.25. He earns $3.75 per hour cleaning windows with his uncle
Dafna1 [17]
Yes he will be able to buy the game that is $50 because: 14.25 + 3.75y + 6.50x = 50 14.25 + 3.75(3) + 6.50(4) = 50 14.25 + 11.25 + 26 = 50 51.50 = 50
7 0
3 years ago
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Ms. Francis is planning a birthday party for her daughter. There will be 22 children at the party, and in order to seat them all
Oxana [17]
Ms Francis would need to rent 6 tables in order to get everyone their own side.

She could have all the children, sitting at their tables, having their own side, but the 6th table just having the two other kids.
Ms Francis shouldn’t be having such a large party in the midst of a pandemic.
5 0
3 years ago
Together two ferries can transport a day's cargo in 7 hours. The larger ferry can transport cargo three times faster than the sm
Ksju [112]

Answer:

9 hours, 20 minutes

Step-by-step explanation:

When two ferries work together, they transport a day's cargo in 7 hours

The speed proportion or ratio of larger ferry to smaller ferry is given as 3 : 1

The sum of the ratio = 4 (3 + 1)

This means that it will take the smaller ferry = 7 x 4 hours to work alone = 28 hours, since the larger ferry is faster by 3.

Therefore, when larger ferry works alone, it will take it (7 x 4)/3 = 9.33 hours.

9.33 hours = 9 hours, 20 minutes.

6 0
3 years ago
Classify the following triangle. Check all that apply
grandymaker [24]

Answer:

D, E

Step-by-step explanation:

All sides are not the same length so not A

Two sides are not the same length so not B

Not all angles are less than 90 so not C

All sides are different length so D

There is a right angle so E

Not all sides are greater than 90 so not F

4 0
3 years ago
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