Step-by-step explanation:
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By definition we have the following equation:
t = d / v
Where,
t: time
d: distance
v: speed
For this case we have:
d / 30 + d / 4 = 17
Rewriting we have:
2d + 15d = 17 (60)
17d = 17 (60)
d = 60 mi
Then, the walking time is
t = d / v
t = 60/4
t = 15 hours
Answer:
She walked
t = 15 hours
Tyler ate the most because if you find the least common denominator between all four of the fractions, which would be 8, Connor would've eaten 2/8 of a pizza, Brandon 2/8, Tyler 6/8, and Audrey 4/8. At the end Tyler ate the most since 6/8 is greater than 4/8 and 2/8. So your answer should be D.
0.75
You divide them by 1/2 and you get 0.75
Answer:
See below
Step-by-step explanation:
Short solution given below
<u>Properties used in solution:</u>
- Sum of angles of triangle is 180°
- Supplementary angles add up to 180°
- Vertical angles are equal
13.................................................
∠1 = ∠4 = ∠5 = ∠8 = 130°
∠2 = ∠3 = ∠6 = ∠7 = 180° -130° = 50°
14.................................................
2x + 90° + x = 180° ⇒ 3x = 90° ⇒ x = 30°
2y = x ⇒ 2y = 30° ⇒ y = 15°
z + 2y = 180° ⇒ z + 30° = 180° ⇒ z = 150°
15.................................................
5x - 20° = 3x ⇒ 2x = 20° ⇒ x = 10°
5x - 20° + 2y + 4y = 180° ⇒ 5*10° - 20° + 6y = 180° ⇒ 30° + 6y = 180° ⇒ y =25°