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Leviafan [203]
3 years ago
11

Which of the following is the point and slope of the equation y - 15 = -2(x + 1)?

Mathematics
2 answers:
Ghella [55]3 years ago
7 0

B. (-1, 15), -2

<u>y +/- y point = m/slope (x +/- x point)</u>


kari74 [83]3 years ago
5 0
The answer is letter B
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A survey was conducted that asked 1003 1003 people how many books they had read in the past year. results indicated that x overb
kirill115 [55]
The confidence interval is

10.5\pm1.35 = (9.15, 11.85).  This means that we can be 99% confident that the mean number of books people read lies between 9.15 and 11.85.

To find the confidence interval, we first find the z-score associated with it:

Convert 99% to a decimal:  0.99
Subtract from 1:  1-0.99=0.01
Divide by 2:  0.01/2 = 0.005
Subtract from 1:  1-0.005 = 0.995

Using a z-table (http://www.z-table.com) we see that this is associated with a z-score between 2.57 and 2.58.  Since both are equally far from this value we will use 2.575.

We calculate the margin of error using

ME=z*\frac{s}{\sqrt{n}}&#10;\\&#10;\\=2.575*\frac{16.6}{\sqrt{1003}}=1.35

This means that the confidence interval is
10.5\pm1.35

The lower limit is given by 10.5-1.35 = 9.15.
The upper limit is given by 10.5+1.35 = 11.85
5 0
2 years ago
I can't find the answer for 46.3 divided by 1.5 Help!
Olenka [21]
46.3/1.5 = 30.87 or 1.5/46.3 = 0.034
Is that what your looking for??
8 0
2 years ago
What are m∠1 and m∠2?
zaharov [31]

Answer:

B. <1 = 35, m<2 = 30

Step-by-step explanation:

To figure out m<1 I first need to figure out the other missing angle. A straight line is a 180 degree angle. Taking that information you can do 180 - 115. This means that the missing angle is 65 degrees. The interior angles of triangles always add up to 180.

80 + 65 = 145

180 - 145 = 35

<1 = 35

Repeat with the other side.

85 + 65 = 150

180 - 150 = 30

<2 = 30

Hope this helps!

5 0
1 year ago
1. (kerry is going to the ice cream shop wi When she gets there, she sees that the coop of ice cream a person orders, pl sing th
Paul [167]

Answer:

what do u mean sing like can you rewrite what we suppose to look in it.

Step-by-step explanation:

7 0
2 years ago
How do I write 16,107,320 in expanded form?
Pani-rosa [81]
In expanded form that would be 10,000,000 + 6,000,000 + 100,000 + 7,000 + 300 + 20
3 0
2 years ago
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