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Rama09 [41]
4 years ago
13

Need help pleaseee and an explanation from someone smart thanks ☺️

Mathematics
1 answer:
Stels [109]4 years ago
8 0

Answer:

C) 55 degrees

Step-by-step explanation:

You need the following geometry definition.

<u><em>Definition:</em></u>

<em>The measure of an arc of a circle is equal to the measure of the central angle that intercepts it.</em>

Angle AOB is a central angle since its vertex is the center of the circle.

According to the theorem above, the measure of arc AB is the same as the measure of central angle AOB.

measure of arc AB = measure of angle AOB

measure of arc AB = 55 degrees

Answer: C) 55 degrees

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A data set has a maximum of 84, a minimum of 34, a median of 52.5, an upper quartile of 64, and a lower quartile of 44. Which st
Akimi4 [234]

Answer:

A box and whiskers plot has a box whose endpoints are the interquartile range (25th percentile and 75th percentile), has a dividing line at the median, aka the 50th percentile, and whiskers that extend out to the minimum and the maximum of the data.

Let's sort the info for ease of reference:

min 34, lower quartile 44, median 52.5, upper quartile 64, max 84.

OK, let's go through the statements.

A. The box will go from 44 to 64.

The box goes from the lower quartile to the upper quartile, TRUE

B. A line dividing the box will be at 54.

There's no 54 mentioned at all, FALSE

C. The left whisker will go from 34 to 52.5.

The left whisker goes from the minimum to the lower quartile, 34 to 44 here, FALSE.

D. The right whisker will go from 44 to 84.

The right whisker goes from the upper quartile to the max, 64 to 84 here.  FALSE

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4 0
2 years ago
The sail of a boat is in the shape of a right triangle, as shown below:
dolphi86 [110]
Answer: Choice C
7 divided by cosec 50 degrees

=====================================

Explanation:

Abbreviations:
sec = secant
cot = cotangent
cosec = cosecant (csc is also a widely used abbreviation)

-----------------

Let the horizontal leg be x

This leg is opposite the angle 50 degrees. The hypotenuse is 7

Opposite = x
Hypotenuse = 7

We'll either use the sine rule or the cosecant (csc) rule
sine = opposite/hypotenuse
cosecant = hypotenuse/opposite

Since "sine" is nowhere to be found in the answer choices, we'll use the cosecant rule

-----------

cosecant = hypotenuse/opposite
csc(angle) = hypotenuse/opposite
csc(50) = 7/x
x*csc(50) = 7
x = 7/csc(50)

This is why the answer is choice C

6 0
3 years ago
Read 2 more answers
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Hi,

10p-5/5+3(p-1)
10p-1+3p-3
10p+3p-1-3
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Hope this is helpful!
3 0
3 years ago
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kogti [31]

Answer:

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Step-by-step explanation:

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3 0
3 years ago
I WILL MARK BRAINLIEST ANSWER BTOH PLS.
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