3 years ago

Lokesh is sawing boards to make a deck. What is the area of the deck?

Mathematics

1 answer:

kondaur [170]3 years ago

3 0

Answer:

Step-by-step explanation:

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Find the value of c that makes x^2–6x + c a perfect square trinomial and write as a binomial squared.

denpristay [2]

Answer: 9

Step-by-step explanation:

Given

The function is $x^2-6x+c$

To make it a perfect square, compare it with $(a-b)^2=a^2+b^2-2ab$

Here,

$x=a,\\-6x=-2ab\\\\\therefore b=3$

So, c must be square of b i.e. 9

$x^2-6x+c\Rightarrow x^2-6x+9\\\Rightarrow (x-3)^2$

Therefore, value of c is 9.

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3 years ago

Is the following relation a function ?

Sedaia [141]

No it is not a function the are two inputs for one output

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4 years ago

Tim drives at an average speed of 80km per hour for 3 hours and 45 minutes. How many kilometers does Tim drive

anastassius [24]

Answer:

Distance = (Average speed) * Time = 80 km/h * (3 hours 45 minutes) = 80 km * 3 3/4 hours = 300 kilometers.

Step-by-step explanation:

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3 years ago

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qwelly [4]

Answer:

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3 years ago

2oz+2.5lbs+1/4lbs= <br> How do I find the answer

Anton [14]

Well you have to convert the pounds to ounces
1 pound = 16 ounces
2oz+40oz+4oz
46oz

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3 years ago

Read 2 more answers