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3 years ago

What is 42 of 100 equivalent to

Mathematics

1 answer:

lilavasa [31]3 years ago

7 0

It is equivalent to 21/50 or 0.42
i got that by dividing two

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Trudy bought a $40 prepaid long distance card. For every minute hat she talks, &0.25 is deducted from her balance on the car

bezimeni [28]

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3 years ago

Factorize x^2/16+xy+4y^2

lisov135 [29]

Answer:

$\frac{x^2}{16} +xy+4y^2$ can be factored out as: $(\frac{x}{4} +2\,y)^2$

Step-by-step explanation:

Recall the formula for the perfect square of a binomial :

$(a+b)^2=a^2+2ab+b^2$

Now, let's try to identify the values of $a$ and $b$ in the given trinomial.

Notice that the first term and the last term are perfect squares:

$\frac{x^2}{16} = (\frac{x}{4} )^2\\4y^2=(2y)^2$

so, we can investigate what the middle term would be considering our $a=\frac{x}{4}$ , and $b=2y$ :

$2\,a\,b=2\,(\frac{x}{4}) \,(2\,y)=x\,y$

Therefore, the calculated middle term agrees with the given middle term, so we can conclude that this trinomial is the perfect square of the binomial:

$(\frac{x}{4} +2\,y)^2$

4 0

3 years ago

I need help<br> with this

qwelly [4]

Answer:

Step-by-step explanation:

x=√3, y= 3

3 0

3 years ago

Classify the following triangle as acute, obtuse, or right

skelet666 [1.2K]

Acute would be less than 90 degrees, obtuse is greater than 90 degrees and right is 90 degrees

8 0

3 years ago

What is the answer for 6 1/2 +3 1/4

andriy [413]

First you have to find a common denominator which is 4.
6 2/4 + 3 1/4 = 9 3/4
So your final answer is 9 3/4
Hope this helps!!!!

3 0

3 years ago

Read 2 more answers