3 years ago

“76 is 60% of what?” Help!

Mathematics

1 answer:

kipiarov [429]3 years ago

5 0

126.67

Hope this helps!

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Ryan has 3/4 of tank of gas in his car. it takes 1/6 of a tank of gas to drive to socccer practice and back home. with the gas i

marishachu [46]

I don’t know if this is correct but about 4 times because

3/4 -> 18/24 and 1/6 -> 4/24

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3 years ago

Find all the zeros of the equation

lapo4ka [179]

Divide both sides by -3, and replace $x^2$ with $y$ . Then

$-3x^4+27x^2+1200=0\iff y^2-9y-400=0$

Factorize the quadratic in $y$ to get

$y^2-9y-400=(y+16)(y-25)=0\implies y=-16,y=25$

which in turn means

$x^2=-16,x^2=25$

But $x^2\ge0$ for all real $x$ , so we can ignore the first solution. This leaves us with

$x^2=25\implies x=\pm\sqrt{25}=\pm5$

If we allow for any complex solution, then we can continue with the solution we ignored:

$x^2=-16\implies x=\pm\sqrt{-16}=\pm i\sqrt{16}=\pm4i$

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4 years ago

3/20 is equal to what in fractions

Likurg_2 [28]

Answer:

15/100

Step-by-step explanation:

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3 years ago

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Find the area of the kite.

Black_prince [1.1K]

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3 years ago

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Simplify.. The square root of 8/18. A. -2/3. B. 2/3. C.2. D. 3/2

ira [324]

8/18 = 4/9 ( divide both numerator and denominator by 2 )
√4 = 2 and √9 = 3
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Answer: B ) 2/3

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3 years ago

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