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3 years ago

Which fraction is equivalent to fraction with numerator negative 3 and denominator 7?

2 answers:

7 0

Fraction wit <span>fraction with numerator negative 7 and denominator 3 because\\

-7/3 has the sam absolute value as -3/7</span>

Luden [163]3 years ago

7 0

Answer:

3/-7 u just need to change the negative to the deminoter

Step-by-step explanation:

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Not sure how to do these. i need help with 13! needing it to be reduced just like y should be 8

Delicious77 [7]

Answer:

I'm not sure 710

Step-by-step explanation:

I'm not sure

8 0

3 years ago

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Identify the zeros of the function f(x) = 4x2 − 8x − 1 using the Quadratic Formula. HELP ASAP!!

forsale [732]

$1+\dfrac{\sqrt{5}}{2},1-\dfrac{\sqrt{5}}{2}$

Step-by-step explanation:

The given equation is $4x^{2}-8x-1$

Let $a$ be the coefficient of $x^{2}$

Let $b$ be the coefficient of $x$

Let $c$ be the constant.

Then the roots α,β for the equation $ax^{2}+bx+c$ are $\dfrac{-b+\sqrt{b^{2}-4ac} }{2a},\dfrac{-b-\sqrt{b^{2}-4ac} }{2a}$

So,α= $\frac{-b+\sqrt{b^{2}-4ac} }{2a}=\frac{8+\sqrt{64+16} }{8}=\frac{8+4\sqrt{5}}{8}=1+\frac{\sqrt{5}}{2}$

β= $\frac{-b-\sqrt{b^{2}-4ac} }{2a}=\frac{8-\sqrt{64+16} }{8}=\frac{8-4\sqrt{5}}{8}=1-\frac{\sqrt{5}}{2}$ .

So the roots are $1+\frac{\sqrt{5}}{2},1+\frac{\sqrt{5}}{2}$

5 0

3 years ago

Is 3√ a irrational number

umka2103 [35]

Im going to assume that 3√ is √3

And √3 is irrational because You cant square root it without getting nuked with a Random Number generator of decimals.

4 0

3 years ago

Your gas tank holds 13.5 gallons of gas your fuel gauge shows that your tank is one quarter full your car gets an average of 25

Gekata [30.6K]

Answer:

The brother is likely wrong.

Step-by-step explanation:

The range of the vehicle with a full tank is ...

(13.5 gal/tank)(25 mi/gal) = 337.5 mi/tank

You have 1/4 tank, so your range is ...

(337.5 mi/tank)(1/4 tank) = 84.375 mi

If you make the 85 mile distance, it will be because you achieved gas mileage better than average and/or your gas gauge gives you some cushion.

Unit analysis says you do not have the necessary range.

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3 years ago

Is 6cups less than 2quarts or equal to 2quartS or more than 2 quarts

Cerrena [4.2K]

It is barely less than 2 quarts, at 1.5 quarts.

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3 years ago

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