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Colt1911 [192]
3 years ago
8

What is the measure of at in oo below

Mathematics
1 answer:
TiliK225 [7]3 years ago
7 0

Answer:

The correct answer is  option D.  263°

Step-by-step explanation:

From the figure we can see a circle with center O.

At is an arc on the circle.

It is given that m<AOT = 97°

<u>To find the value of arc AT</u>

From the figure itself shows that <AOT is the central angle of minor arc AT

Therefore the measure of minor arc = 97° and

measure of major arc AT = 360 - 97 = 263

The correct answer is option D.  263°

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A rectangular auditorium seats 1344 people. The number of seats in each rows exceeds the number of rows by 20. Find the number o
Tasya [4]
Let the number of rows be x

rows = x
seats in each row = x + 20

total seats = 1344
x (x + 20) = 1344
x^2 + 20x - 1344 = 0
(x + 48)(x - 28) = 0
x = -48  (rejected, answer cannot be negative) or x = 28

Therefore,
x = 28 
x + 20 = 48


Check:
Row = 28
Numbers of seat per row = 28 + 20 = 48
28 x 48 = 1344 (Correct)
 
Ans:There are 48 seats per row 
8 0
3 years ago
The table shows the busiest airports, shipping ports, and rapid rail systems in the United States. Suppose you are doing a repor
yaroslaw [1]

Answer:

Texas,

Step-by-step explanation:

6 0
3 years ago
Which expression represents the ratio of the difference of the two means to Sidney's mean absolute deviation
prohojiy [21]

Answer:

The ratio of the difference of the two means to Sidney's mean absolute deviation = \frac{4}{3.28} = 1.2195

Step-by-step explanation:

P.S - The exact question is -

Given - The means and mean absolute deviations of Sidney’s and Phil’s grades are shown in the table below.

                                       Sidney’s Grades           Phil’s Grades

Mean                                     82                                    78

Mean Absolute Deviation      3.28                                 3.96

To find - Which expression represents the ratio of the difference of the two means to Sidney’s mean absolute deviation?

Proof -

Given that Mean of Sidney Grades = 82

                 Mean of Phil's   Grades = 78

So,

The difference of two means = 82 - 78 = 4

Also,

Given, Mean Absolute Deviation of Sydney = 3.28

Now,

The ratio of the difference of the two means to Sidney's mean absolute deviation = \frac{4}{3.28} = 1.2195

4 0
3 years ago
I WILL GIVE BRAINLIEST!! I really need help with this question.
Annette [7]

Answer: x = 70, y = 110, z = 85

Step-by-step explanation:

If BE = CD, then using corresponding angles (are equal), x = 70

If x = 70, then 70+y = 180 (angles on a straight line)

y = 110

And z = 85 (corresponding angles again): angle ABE = angle ACD

7 0
3 years ago
Read 2 more answers
Find the x-intercept and the y-intercept of the graph of the equation 11x+12y=8
ipn [44]
The answer would be (8/11,0) as the x-intercept
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