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3 years ago

5/4 - 4/4 ples tell me

Mathematics

2 answers:

bulgar [2K]3 years ago

7 0

It would be 1/4 because

when you subtract fractions with the same denominator it is easy. you subtract the numerators.

bonufazy [111]3 years ago

3 0

1/4 cause you have five 1/4s so if you take four of those away then 5-4=1 therefore you only have one 1/4 so yeah

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Find the midpoint of (-3,-5), (4,5) *<br> (3,2)<br> O (-6,4)<br> (0.5,0)<br> O (-1,-3)

Sergeu [11.5K]

Answer:

(0.5, 0) will be the midpoint by applying formula which is

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3 years ago

Please help!!

yarga [219]

Because this is a fourth degree that will be tricky to factor as it is, we will do a u substitution. Let $x^2=u$ . We can now rewrite that polynomial in terms of u: $u^2-7u-8=0$ . Filling into the quadratic formula we have $u=\frac{7+/-\sqrt{49-4(1)(-8)}}{2}$ . Simplifying down $u=\frac{7+/-\sqrt{81}}{2}$ and $u=\frac{7+9}{2}$ or $u=\frac{7-9}{2}$ . That means that u = 8 or u = -1. But don't forget that we let $u=x^2$ , so we have to put x-squared back in for u. That gives us $x^2=8$ which simplifies down to $+/-2\sqrt{2}$ . That also gives us $x^2=-1$ . When we take the square root of -1, we have to use the fact that -1 = i^2, so we sub that in to get $x=+/-i$ . All in all, your solutions are as follows: $2\sqrt{2},-2\sqrt{2},i,-i$ which is choice b.

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2 years ago

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Semiarid,

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3 years ago

5/4 - 4/4 ples tell me​

5/4 - 4/4 ples tell me