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Airida [17]
3 years ago
8

Heeeeeelp 5). A sector of a circle with the centre angle 120° is

Mathematics
1 answer:
Stella [2.4K]3 years ago
5 0

Answer:

i forgo

Step-by-step explanation:

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FIRST PERSON WHO ANSWERS THIS CORRECTLY GETS BRAINLIEST
Firdavs [7]

Answer: Im pretty sure it would be 67, find area of each side then add

6 0
3 years ago
If 0° ≤ θ ≤ 90° and cosθ = 11/15 , what is the value of sin (90° - θ)?
igor_vitrenko [27]
11/15=0.7333
cos^{-1}(0.7333) =42.83342
sin(90-47.166572) = 0.7333

first, find the numeric value for 11/15
second to find theta, simply do the <em>inverse</em> cos (which is cos^-1) of the first answer.
now you know theta, just do the sin of 90 - theta and that's it!

since you know whatr cos(theta) is, you just take the inverse cos of that number to get theta and 'reverse' cos, essentially. you are just solving for theta, by reversing the cos function with cos^-1
please mark as brainliest!
7 0
3 years ago
Read 2 more answers
The mayor of a town believes that over 47G% of the residents favor construction of an adjoining community. Is there sufficient e
photoshop1234 [79]

Answer:

There is sufficient evidence at the 0.05 level

Null hypothesis ; H0 : p = 0.47

Alternative hypothesis : H1 : p ≠ 0.47

Step-by-step explanation:

percentage favoring construction of adjoining community = 47%

level = 0.05

To determine if the 0.05 confidence level is enough to support the major's claim we have to state the Null and alternative hypothesis

Null hypothesis ; H0 : p = 0.47

Alternative hypothesis : H1 : p ≠ 0.47

5 0
3 years ago
The distance between earth to the moon is 348,400 kilometers. What is this ditance expressed in scientific notation
Nadya [2.5K]
I forgot how to do this but i really wish i could help u
5 0
2 years ago
A high school track is shaped as a rectangle with a half circle on either side. Jasmine plans on running TWO laps. How many yard
finlep [7]

Answer:

880 yards

Step-by-step explanation:

4 0
3 years ago
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