Answer:
just use a calculator next time 17.5
Step-by-step explanation:
its 17.5 my dude
C. 20 / 4
20 represents how much time practicing in running has reduced her run time, and dividing by 4 weeks show the amount of seconds lowered per week (5 seconds).
Answer:
bring the 2 1/2 infront of the positive 2 but in between the 2 and three. bring the 3/8 behind the negitive one but on the third smallest line. bring the -7/8 behind the positive 1 but on the 7th smallest line. bring the -2 1/2 between the negitive three and two.
Step-by-step explanation:
Answer:
CE = 17
Step-by-step explanation:
∵ m∠D = 90
∵ DK ⊥ CE
∴ m∠KDE = m∠KCD⇒Complement angles to angle CDK
In the two Δ KDE and KCD:
∵ m∠KDE = m∠KCD
∵ m∠DKE = m∠CKD
∵ DK is a common side
∴ Δ KDE is similar to ΔKCD
∴ 
∵ DE : CD = 5 : 3
∴ 
∴ KD = 5/3 KC
∵ KE = KC + 8
∵ 
∴ 
∴ 
∴ 
∴ 
∴ KC = (8 × 9) ÷ 16 = 4.5
∴ KE = 8 + 4.5 = 12.5
∴ CE = 12.5 + 4.5 = 17
300 - 260 = 40
40 day left to live... :(
