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2 years ago

A train covers 10 Km in 2 1⁄2 hr. find The speed of the train in Km /hr is a. 4 km /h b. 50 km/h c. 20km /h d. 5 km/h

Mathematics

1 answer:

Luba_88 [7]2 years ago

5 0

Answer:

4km/h

Step-by-step explanation:

the speed is equals to distance/time

distance/time=10km/2.5h

=4kh/h

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Read 2 more answers

Please help no files

valentina_108 [34]

Answer:

x =1 for the first problem

and for second question

Step-by-step explanation:

Let's solve your inequality step-by-step.

|2x+5|>0.5

Solve Absolute Value.

|2x+5|>0.5

We know either2x+5>0.5or2x+5<−0.5

2x+5>0.5(Possibility 1)

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2x>−4.5

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x>−2.25

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2x<−5.5

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Answer:

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2 years ago

What is the length of YZ in XYZ

Studentka2010 [4]

AZ=12 - is hypotenuse

∠XZY=30° ⇒

$XY=\dfrac{1}{2} \times12=6$

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