Answer:
52.9°
Step-by-step explanation:
step 1
we know that
The total number of successful United States space launches that happened in the years 1957-1995 is equal to
![15+470+258+153+146=1,042](https://tex.z-dn.net/?f=15%2B470%2B258%2B153%2B146%3D1%2C042)
step 2
The numbers of successful United States space launches that happened in the years 1980-1989 is equal to
![153](https://tex.z-dn.net/?f=153)
step 3
The percentage of successful United States space launches that happened in the years 1980-1989 is equal to
![\frac{153}{1,042}(100)=14.68\%](https://tex.z-dn.net/?f=%5Cfrac%7B153%7D%7B1%2C042%7D%28100%29%3D14.68%5C%25)
step 4
Find out the measure of the central angle you would draw in a circle graph to represent the number of successful United States space launches that happened in the years 1980-1989
we know that
In a circle, 360 degrees represent the 100%
so
using proportion
Find out the measure of the central angle by a percentage of 14.68%
![\frac{360^o}{100\%}=\frac{x}{14.68\%}\\\\x=360^o(14.68\%)/100\%\\\\x= 52.9^o](https://tex.z-dn.net/?f=%5Cfrac%7B360%5Eo%7D%7B100%5C%25%7D%3D%5Cfrac%7Bx%7D%7B14.68%5C%25%7D%5C%5C%5C%5Cx%3D360%5Eo%2814.68%5C%25%29%2F100%5C%25%5C%5C%5C%5Cx%3D%2052.9%5Eo)
The number is 11.
Lets assume that the P is the product of the number 'x' and 5, then the equation will become :
P = 5x .......i
now given that the product P is same as the 11 less than 6 times the number 'x'., therefore the equation will become :
P = 6x -11 ......ii
Now from i and ii,
5x = 6x -11 ,
11 = 6x - 5x
therefore, x = 11.
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Line 3.. It removed the 'x' from the 10, and it's adding, not subtracting.
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Answer:
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Step-by-step explanation:
Rose wants to get 90% on a 40 question quiz. How many questions must she get correct?