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3 years ago

Evaluate the expression when y=6. Y^2-5y-8

Mathematics

1 answer:

Katena32 [7]3 years ago

5 0

Answer:

-2

Step-by-step explanation:

6^2 = 36

5 x 6 = 30

36 - 30 - 8 = -2

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3 years ago

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3 years ago

the tortoise can walk 1/2 mile in 1/4 of an hour. The hare can run 11/2 mile in half an hour. What is the distance

Shalnov [3]

Answer:

The speed of tortoise is 2 miles per hour and

The speed of hare is 11 miles per hour

Step-by-step explanation:

Given as :

The distance cover by tortoise = $\frac{1}{2}$ miles

The Time taken by tortoise to cover distance = $\frac{1}{4}$ hour

So, The speed of the tortoise is = $\dfrac{\textrm Disatnce cover by tortoise}{\textrm time taken}$

I.e The speed of the tortoise = $\frac{\frac{1}{2}}{\frac{1}{4}}$

∴ The speed of the tortoise = 2 miles per hour

Again ,

The distance cover by hare = $\frac{11}{2}$ miles

The Time taken by hare to cover distance = $\frac{1}{2}$ hour

So, The speed of the hare = $\dfrac{\textrm Disatnce cover by hare}{\textrm time taken}$

I.e The speed of the hare = $\frac{\frac{11}{2}}{\frac{1}{2}}$

∴ The speed of the hare = 11 miles per hour

Hence The speed of tortoise is 2 miles per hour and

The speed of hare is 11 miles per hour . Answer

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4 years ago

Which fractions are equivalent to 40

pickupchik [31]

Answer:

80/2, 120/3, 160/4, 200/5, 240/6, 280/7, 320/8, 360/9, 400/10, 440/11, 480/12, 520/13, 560/14 , 600/15, 640/16, 680/17, 720/18, 760/19, 800/20, 840/21

Step-by-step explanation:

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3 years ago