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4 years ago

HELPPPPPP PLEASEEEEE!! I have no idea!

Mathematics

2 answers:

scZoUnD [109]4 years ago

8 0

K. should be your answer.

If t = 0.

Note that the equation has a t in all variables except for c, which will affect the outcome of h (or the first one, as t can change at all times).

If the time is set to 0, the maximum height will only be the height seen at the place where x = 0, which, instead of the true maximum height.

The t intercept will also change, and would not project as far, seeing that it can only 0, instead of t > 0.

hope this helps

mel-nik [20]4 years ago

7 0

I think it's H 3 only

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An average light bulb manufactured by the Acme Corporation lasts 300 days with a standard deviation of 50 days. Assuming that bu

notsponge [240]

Answer:

1. 90% 2. 10% 3. 50%

Step-by-step explanation:

Standard Deviation (σ) = 50 days

Average/Mean (μ) = 300days

Probability that it would last more than 300 days = P(Bulb>300 days)

We will assume there are 365 days in a year.

P(Bulb>300 days) implies that the bulb would

Using the normal equation;

z = standard/normal score = (x-μ)/σ where x is the value to be standardized

P(Bulb>300 days) implies x = 365 days

Therefore z = (365-300)/50 = 1.3

Using the normal graph for z=1.3, probability = 90%

2. P(Bulb<300 days) = 1 - P(Bulb>300 days)\

P(Bulb<300 days) = 1 - 0.9

P(Bulb<300 days) = 10%

3. P(Bulb=300 days) implies z=0 since x=300

Using the normal graph for z=0, probability =50%

6 0

3 years ago

Simplify:

wlad13 [49]

Answer:

The answer to your question is letter C. 7y³ + 7n²y² - 22y²

Step-by-step explanation:

y²(4y + 7n² + 2) - 3y² (-y + 8)

Multiply

4y³ + 7n²y² + 2y² + 3y³ - 24y²

Use the associative property for like terms

(4y³ + 3y³) + (2y² - 24y²) + 7n²y²

Simplify like terms

7y³ - 22y² + 7n²y² or 7y³ + 7n²y² - 22y²

5 0

4 years ago

(Will give brainliest :) pls tell me how to solve) Hikers are traveling at 3 miles per hour. They leave camp and hike LaTeX: N64

AnnyKZ [126]

Answer:

3.08270264 hours

Step-by-step explanation:

The first thing you have to do is a graph where you signal the cardinal points (1st image)

Then draw the first line that the problem gives you (N64°W). At the end of this line, you will draw the following line (S23°W) drawing another little graph as a guide. Finally, you will draw the last line, as long as a triangle is made (2nd image)

If you pay attention to the first line you made, you will notice that you can make a right triangle with angles of 90°, 64°, and 26° (3rd image)

So, returning to the other big triangle, you are going to add the 23° of the main orientation with the 26° that you just obtained from the first triangle (4th image)

Now you have a large triangle with one side that is worth 4, another that is worth 2, and an angle between them that is worth 49° (5th image)

From now on it's easier.

We know that if we have an angle between two know sides we can use Law of cosines (a²=b²+c²-2bcCosA)

So a² = 2² + 4² - 2(2*4)Cos49

a² = 4 + 16 - 2(8)Cos49

a² = 20 - 16Cos49

Cos49 = 0.65605902899

16 * 0.65605902899 = 10.4969444638

20 - 10.4969444638 = 9.50305554

a² = 9.50305554

a = $\sqrt{9.50305554}$ = 3.08270264

Hope I helped you and sorry for the bad quality of the photos

4 0

3 years ago

A book publishing company is shipping an order of 300 books.the books are packaged in boxes that each can hold 24 books.how many

ryzh [129]

300/24=12 your answer would be 12

4 0

4 years ago

Please help me out!

Lesechka [4]

Answer:

Step-by-step explanation:

8 0

3 years ago