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almond37 [142]
3 years ago
15

Determine whether the following graph represents a function.

Mathematics
1 answer:
love history [14]3 years ago
8 0

Answer:

(5,4) (2,3)(5,8)(-2,-5) hope that helped

Step-by-step explanation:

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Suppose you run 4 miles from your house to a friends house at the speed of 7 miles per hour. When the time comes to return home,
kenny6666 [7]

9514 1404 393

Answer:

  a. 0.6 h

  b. 1.3 h

  c.  C -- No

  d. 4.2 mi/h

Step-by-step explanation:

a. The relationship between time (t), speed (s), and distance (d) is ...

  t = d/s

The time spent running 4 miles at 7 miles per hour is ...

  t = (4 mi)/(7 mi/h) = (4/7) h ≈ 0.6 h

__

b. The time spent walking home is ...

  t = (4 mi)/(3 mi/h) = 4/3 h ≈ 1.3 h

__

c.  C -- No, less time is spent at 7 mi/h

__

d. The average speed is ...

   s = d/t = (4 mi +4 mi)/(4/7 h +4/3 h) = (8 mi)/(40/21 h) = 4.2 mi/h

4 0
3 years ago
What is the simplified expression
gizmo_the_mogwai [7]

Answer:

the answer is the first -5cd

5 0
3 years ago
Haruka hiked several kilometers in the morning. She hiked only 6 kilometers in the afternoon, which was 25%, percent less than s
Semenov [28]

Answer:

14 km

Step-by-step explanation:

6 km in the afternoon

x km in the morning

6= x- 25%

6= 0.75x

x= 6/0.75

x= 8 km

total 6+8= 14 km

4 0
4 years ago
Whats the ratio of 100/450
Zolol [24]

the ratio of 100/450 is 600/2700

6 0
4 years ago
Read 2 more answers
Free points: this is because of all the kindness I have seen on brainly:
const2013 [10]

Answer:

10x10= 100

Step-by-step explanation:

thx for the points

hope you have a wonderful dayyy

3 0
3 years ago
Read 2 more answers
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