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vekshin1
3 years ago
13

2. This picture below describe an arithmetic sequence in the increasing and decreasing order. How each picture related to our li

fe experiences?
Mathematics
1 answer:
vaieri [72.5K]3 years ago
7 0
I don’t really knowwww
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A train travels 250 km with a average speed of 75 km/hr and 350 km with 70km/hr and 200 km with average speed of 30km/hr. What w
pentagon [3]

Answer:

53 1/3 km/h

Step-by-step explanation:

average speed = (total distance)/(total time)

average speed = distance/time

time * average speed = distance

time = distance/(average speed)

250 km at 75 km/h

distance = 250 km

time = (250 km)/(75 km/h) = 3.33333... hours

350 km at 70 km/h

distance = 350 km

time = (350 km)/(70 km/h) = 5 hours

200 km at 30 km/h

distance = 200 km

time = (200 km)/(30 km/h) = 6.6666...  hour

total distance = 250 km + 350 km + 200 km = 800 km

total time = 3.33333... hours + 5 hours + 6.66666... hours = 15 hours

average speed = (total distance)/(total time)

average speed = (800 km)/(15 hours)

average speed = 53 1/3 km/h

3 0
2 years ago
2. The graph of a certain geometric sequence can be described as a curve increasing from left to right. Which sequence would hav
kozerog [31]

Answer:

0 (-1,2,-4, 8, -16) that should help you

Step-by-step explanation:

8 0
3 years ago
Owen simplified the expression r-8 s-5.<br><br><br>r−8s−5 =  1r8  ⋅ s5 =  s5r8
kobusy [5.1K]

r⁻⁸ s⁻⁵

using the rule x⁻ⁿ=1/xⁿ

r⁻⁸ s⁻⁵ = (1/r⁸)(1/s⁵)

6 0
3 years ago
Read 2 more answers
Chad created a table that shows the ratio of his role playing game cards.
Anuta_ua [19.1K]

Answer:

b

Step-by-step explanation:

i looked it up on google so there im right

7 0
3 years ago
Read 2 more answers
413/19 and I have to check using multiplication answer fast pls I’ll give 25 points
Sidana [21]
413/19 = 21.737
21.737(19)= 413
6 0
3 years ago
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