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Jet001 [13]
3 years ago
14

What is the solution of 19

Mathematics
1 answer:
lisabon 2012 [21]3 years ago
7 0
There are many like

1(10)+10-1=19

18+1=19

30-11=19

15+4=19 Hope this help!!
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A horse ran 800 meters in 40 seconds , 1200 meters in 60 seconds , and 480 meters in 24 seconds . Is this a proportional relatio
frosja888 [35]

Answer:

This is a proportional relationship, the constant of proportionality is 20m/s and it represents that the horse can run 20 meters every second.  

Equation:  d = 20s, where d=distance and s=number of seconds.

Step-by-step explanation:

In order to find out whether this relationship is proportional, you need to see if the rate at which the horse runs is constant (the same).  If you look at the three sets of data (24, 480), (40, 800) and (60, 1200) where the pair is (seconds, meters), you can see that for any two sets of data the change in meters divided by the change in seconds is consistently 20m/s.  For example:

\frac{1200-800}{60-40}=\frac{400}{20}=20

Since the constant is 20, we know that the horse can run 20 meters every second.  To find the horse's total distance, we need to multiply the rate by the number of seconds that it runs:

d = 20s

8 0
3 years ago
Please hurry! Marking beainliest!
kumpel [21]

Answer:

the ine you have selected is right

Step-by-step explanation:

we know12 inches is 1 foot we can keep going up andsee that 24 inches is 2 and so on

4 0
3 years ago
Read 2 more answers
Which expressions are equivalent to 16x^2- 36
Eddi Din [679]
4(2x+3)(2x-3) is the answer
4 0
3 years ago
Which graph represents 2(cos(2 pi/3)+isin(2 pi/3))?
Artyom0805 [142]

Answer:The one with -1. B

It was D on mine tho so check the graph

Step-by-step explanation:

I got it right on edg

7 0
3 years ago
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Brian and Mark are fishing. They both catch a fish. Brian's fish weighs 17 pounds less than Mark's fish. Mark's fish weighs 22 p
Fittoniya [83]

Answer:

5 pounds.

Step-by-step explanation:

22 - 17 = 5

6 0
3 years ago
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