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My name is Ann [436]
3 years ago
11

Determine the type of triangle this drawn below

Mathematics
1 answer:
asambeis [7]3 years ago
8 0

Answer:

Step-by-step explanation:

Isosceles Obtuse??????

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Tom keeps all his favorite marbels in a special leather bag right now five red marbels four blue marbels and there yellow marble
Nezavi [6.7K]
4/12 or 1/3? I think.
6 0
3 years ago
As a store manger you would like to find out the average time it takes to unload the truck which delivers the merchandise for yo
Georgia [21]

Answer:

The upper boundary of the 95% confidence interval for the average unload time is 264.97 minutes

Step-by-step explanation:

We have the standard deviation for the sample, but not for the population, so we use the students t-distribution to solve this question.

The first step to solve this problem is finding how many degrees of freedom, we have. This is the sample size subtracted by 1. So

df = 35 - 1 = 35

95% confidence interval

Now, we have to find a value of T, which is found looking at the t table, with 34 degrees of freedom(y-axis) and a confidence level of 1 - \frac{1 - 0.9}{2} = 0.975([tex]t_{975}). So we have T = 2.0322

The margin of error is:

M = T*s = 2.0322*30 = 60.97

The upper end of the interval is the sample mean added to M. So it is 204 + 60.97 = 264.97

The upper boundary of the 95% confidence interval for the average unload time is 264.97 minutes

4 0
3 years ago
Read 2 more answers
1. Indicate the number of significant figures in each of the following quantities:
shutvik [7]

Answer:

(a) 3

(b) 4

(c) 3

Step-by-step explanation:

To find the number of significant figure, ignore all zeros on the left and count the remaing digits.

(a) ignore 0.0, so 590 is 3 s. f.

(b) no zeros to the left, so 4 s. f.

(c) ignore 0.00, so 122 is 3 s. f.

6 0
2 years ago
Find the sum of 2x 2 + 3x - 4, 8 - 3x, and -5x 2 + 2
Sloan [31]
-3x²-2 .................
4 0
3 years ago
Find the slope of the line through the pair of points. A(2, 3), P(2, 9)
AVprozaik [17]
A(x_1;\ y_1);\ B(x_2;\ y_2)\\\\m=\dfrac{y_2-y_1}{x_2-x_1}\\\\-------------------\\\\A(2;\ 3)\to x_1=2\ and\ y_1=3\\B(2;9)\to x_2=2\ and\ y_2=9\\\\m=\dfrac{9-3}{2-2}=\dfrac{7}{0}-divided\ by\ 0\\\\Answer:\ The\ slope\ unde fined. It's\ a\ vertical\ line\ x=2.
8 0
3 years ago
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