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victus00 [196]
3 years ago
7

How to graph a inequality

Mathematics
1 answer:
4vir4ik [10]3 years ago
8 0
Graph it like you would a normal equation except if it's not "equal to" it's a dashed line instead of solid line. Then shade the appropriate area on the graph,
for example..
y > 2x +1
is graphed as a dashed line y = 2x +1 since it doesn't actually equal y.
y is greater than the line/equation so the area above is shaded where y is bigger
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Kelli swam upstream for some distance in one hour. She then swam downstream the same river for the same distance in only 6 minut
solmaris [256]

Answer:

6.11km/hr

Step-by-step explanation:

Let the speed that Kelli swims be represented by Y

Speed of the river = 5km/hr

Distance = Speed × Time

Kelli swam upstream for some distance in one hour

Swimming upstream takes a negative sign, hence:

1 hour ×( Y - 5) = Distance

Distance = Y - 5

She then swam downstream the same river for the same distance in only 6 minutes

Downstream takes a positive sign

Converting 6 minutes to hour =

60 minutes = 1 hour

6 minutes =

Cross Multiply

6/60 = 1/10 hour

Hence, Distance =

1/10 × (Y + 5)

= Y/10 + 1/2

Equating both equations we have:

Y - 5 = Y/10 + 1/2

Collect like terms

Y - Y/10 = 5 + 1/2

9Y/10 = 5 1/2

9Y/ 10 = 11/2

Cross Multiply

9Y × 2 = 10 × 11

18Y = 110

Y = 110/18

Y = 6.1111111111 km/hr

Therefore, Kelli's can swim as fast as 6.11km/hr still in the water.

4 0
2 years ago
Erin needs to save a total of $150, she already has $80. What is the fewest number of hours she will need to work if she earns $
harkovskaia [24]
80 divided by 15 Is =5.333333 which I don’t know how to round it but it would be around 5 at least
8 0
3 years ago
What kind of angle is 2X?
andrezito [222]

Answer:

b

Step-by-step explanation:

3 0
3 years ago
There are 61 centimetres of liquorice to be shared equally among 7 people. What length of liquorice will each person get?
Simora [160]

Answer:

8.71428571

do 61 divided by 7. Simple math.

8 0
2 years ago
Read 2 more answers
If a shopkeeper sells an article for $440 and loses 12% on the sale, find his cost price.
worty [1.4K]

Step-by-step explanation:

440÷100×12

52.8

440-52.8

387.2

MARK ME BRAINLIEST PLSSSSSS

4 0
2 years ago
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