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cupoosta [38]
3 years ago
7

Approximately how many degrees are in the measure of an interior angle of a regular eight sided polygon?

Mathematics
1 answer:
yan [13]3 years ago
4 0
135° I think 1080( what the angles add up to) 1080÷8=135°
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1.5

Step-by-step explanation:

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3 years ago
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What is the next step to solve this equation?<br> 3x - 5 = 7
Ronch [10]

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Find the value of x the value is x=4

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Step-by-step explanation:

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A researcher claims that the average annual salary of part-time community college instructors is at least $45,000. To test this
Doss [256]

Answer:

See explanation

Step-by-step explanation:

Solution:-

- The researcher claims :

" the average annual salary of part-time community college instructors is at least $45,000 "

- We will extract the claim made by the researcher to be the Null hypothesis:

                     Null Hypothesis : μ ≥ $45,000

- Any statement otherwise, or point of rejection criteria will denote the Alternate hypothesis that disbands the claim that:

" the average annual salary of part-time community college instructors is less than $45,000 " :

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                     Lower tail - one sample - T-test.

6 0
2 years ago
Decide whether x=2 is a solution of x square+4x-12=0
hjlf

Answer:Yes, it is


Step-by-step explanation:

2^2+4(2)-12=0

4+8-12=0

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7 0
3 years ago
Need help with my geometry h/w help pls.
Stella [2.4K]
Triangles
ABC - AB=2.5, BC=1.5, CA=2 (5: 3: 4)
ADC - AC=2, CD= 1.2, DA= 1.6
BCD - BC=1.5, BD = 0.9, DB = 1.2

Area
ABC = 1/2 *AC * CB = 1/2 *2 * 1.5 = 1.5 m^2
ADC = 1/2 *AD * DC = 1/2 * 1.6 * 1.2 = 0.96 m^2
BCD = 1/2 *BD * DC = 1/2 * 0.9 * 1.2 = 0.54 m^2

3 0
3 years ago
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