Answer:
The world record for the 200-m dash will be set at 18.0 seconds in the year 2920.
Step-by-step explanation:
To find what year the record will be 18 seconds, substitute 18 in for R, and solve for t.
-0.0028t + 20.8 = R
-0.0028t + 20.8 = 18
-0.0028t = -2.8
t = 1000
The record for the 200-m dash will be 18 seconds after 1000 years. To find which year this record will be set in, add 1000 to the original date, 1920.
1920 + 1000 = 2920
Answer:
gfhbvofdjge;rldskgrdfpokcver[;kyhbfd[pgktyhtjkvcblerdfhbvpofjewyrh;fblcvjgiohtrfjcfrthgbjvcikafrghfbcvlkftgjrhfbcvlkxasfjghbbgvdcxkjvnerdsklxcnfesjkdfb vnfawjegb nvmbfc xklcfngdcklfgnrtvdfxksjhwedsxcligbvoiesadfbdfiosgbhjffffff
Step-by-step explanation:
A segment is only a "midsegment" if it connects midpoints. When labels above and below are 9 and 72, it is clearly not a midsegment. However, because it is parallel to the base, segments above and below on one side are proportional to those in similar positions on the other side.
72/9 = 56/(3x -20)
We can multiply by (3x -20)/8 to get
3x -20 = 7
3x = 27
x = 9
Answer:
The variables are A and B. A for Andy, and B for Brett. B=18, and A=26
Step-by-step explanation:
A+B=44
A=B+8
B + 8 + B = 44
2B+8=44
2B = 36
B = 18
A = 26
8ax=4ax+12
4ax=12
x=3/a
Hope it helps! Comment if you have any questions!
