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DiKsa [7]
2 years ago
13

Chris is 6 feet tall. To find the height of a tree, he measures his shadow and the tree's

Mathematics
1 answer:
Ket [755]2 years ago
6 0

Answer:

click the the photo to see better

Step-by-step explanation:

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If SAT scores are normally distributed with a mean of 1518 and a standard deviation of 325, find the probability that a randomly
aliya0001 [1]
Mean, x_bar = 1518
Standard deviation, sigma = 325
Range required: 1550 ≤ X ≤ 1575

Z = (X - x_bar)/sigma

Z1 = (1550-1518)/325 ≈ 0.1
Z2 = (1575-1518)/325 ≈ 0.18

From Z tables,
P(Z1) = 0.5398
P(Z2) = 0.5714

P(1550≤X≤1575) = P(Z2) - P(Z1) = 0.5714 - 0.5398 = 0.0316

The correct answer is C.
3 0
3 years ago
{(3,4)(5,8)(3,7)} is a function. True or false
Dmitry_Shevchenko [17]
True, it is a function because mainly the x and y values are the same;]
6 0
3 years ago
Which of the following represents the series ?
aleksklad [387]
The denominator in each term of the series is a square number, but neither n-6 nor n^2+1 are squares. So none of (1), (2), and (4) can be correct. The answer must be (3).
5 0
3 years ago
Plz help me out :( I really can't fail this
sergey [27]

Answer:

99.37

Step-by-step explanation:

Brief Math lesson:

If you, for example, pay 10% of your income of $100 to charity and 5% of it goes to taxes,

The amount that goes to charity can be found by using:

10% * 100 = 0.1 * 100 = 10

And the amount for taxes is

5% * 100 = 0.05 * 100 = 5

So the total is 15 dollars. And then, subtract that from your salary, so you would earn 85 dollars

We can also just find it by finding how much of a total percentage is being taken and subtract that by 100. (because you would keep the rest of the money)

(100% - (10% + 5%)) * 100 = 85% * 100 = 85

Now, let's apply this information.

First, figure out how much you need to pay in taxes, social security, etc.

15% + 6.44% + 6.2% + 1.45% = 29.09% of your money is given away. So, you would keep 100% - 29.09%, which is 70.91% kept

10.01 dollars an hour at 14 hours is 10.01*14 = 140.14 dollars

Now, multiply the percent of salary you keep by your salary.

140.14 * 70.91% = 140.14 * 0.7091 = 99.373274

This is, rounded,

99.37

Hope this helps! Feel free to ask any questions!

7 0
2 years ago
The two-way table shows the ages of the players on different soccer teams.
Maru [420]
There’s no table. There are no statements. Take a picture of the problem.
3 0
3 years ago
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