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e-lub [12.9K]
3 years ago
15

Given centerB with m∠ABD = 95 degrees

Mathematics
1 answer:
kirill [66]3 years ago
8 0

Answer:

It would be the fourth one to me Yw

Step-by-step explanation:

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What is the quotient?<br><br> 457.6 divided by negative 286
mr_godi [17]
<h2>Answer:</h2><h2>- 1.6</h2><h2>Hope this helps!!</h2>

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3 years ago
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David looks into two brick companies to construct the brick border for his garden. Evergreen landscapers charges an installation
Naya [18.7K]

Answer:

For 1,000 bricks, the amount charged will be the same

Step-by-step explanation:

Let the number of bricks for which they charge the same amount be $x

Thus;

The total cost from the first company will

be;

250 + 0.2(x) = 250 + 0.2x

The second will charge;

400 + 0.05(x) = 400 + 0.05x

Since the amount charged will be equal at x bricks, we need to equate both;

400 + 0.05x = 250 + 0.2x

400-250 = 0.2x-0.05x

150 = 0.15x

x = 150/0.15

x = 1,000

5 0
3 years ago
What is the gradient of a line<br> perpendicular to a line with a gradient<br> of 5
ZanzabumX [31]

Answer:

-1/5

Step-by-step explanation:

When a line is perpendicular to another line, it's gradient will be a reciprocal.

To calculate the reciprocal of a number you have to flip the fraction the other way around.

So, in the case our current gradient is 5/1 (5/1 is the same as just 5) and we need to flip in over to get 1/5, which is our new gradient.

The final step is to make the number negative because the line is going down. This gives us the final answer of -1/5.

3 0
2 years ago
do more kids say they want to see into the future or become invisible? invisible is 9/50 future is 1/5 what is more?
Olin [163]
So this question is asking whether 9/50 or 1/5 is more. To do this we need to make 1/5 have a denominator of 50. So, we multiply the numerator and the denominator by 10.

1/5 * 10/10 = 10/50

Because 9/50 is less than 10/50, more kids want to see in the future.
4 0
3 years ago
Suppose that a committee is studying whether or not there is waste of time in our judicial system. It is interested in the mean
9966 [12]

NOTE:

As Part (a) and Part (b) are already correctly solved in the question, I will be solving Part (c), Part (d) and Part (e).

Answer:

Part (c):

As we are not given the standard deviation of the population, we will use

t-distribution for this scenario.

The degrees of freedom will be n-1 = 80, hence our distribution parameter will be t_{_{80}}.

Part (d):

The critical value (t) for 95% confidence level is at 80 degree of freedom is obtained from the attached table.

t = 1.99

Now, let us first calculate the error bound

E = t * (sx)/(√n)

E = 1.99 * (4)/(√81)

E = 0.884                 ===========> Error Bound

Confidence interval is obtained as follows:

(X¯ - E), (X¯ + E)

(8 - 0.884), (8 + 0.884)

(7.116, 8.884)           ===========> Confidence Interval

Graph is attached as an image.

Part (e):

The confidence interval indicates that we can predict with 95% confidence that the population mean time wasted at the court, waiting to be called for jury duty, will lie between 7.1155 and 8.8845 hours.

7 0
3 years ago
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