2 years ago

Is -51/5 rational or irrrational

1 answer:

Softa [21]2 years ago

6 0

I believe this is rational because the decimal has a end.

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Rom4ik [11]

$60.00 + 15%= 69.00. add the 15% to the orinigal Price.

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3 years ago

Rainbow [258]

Yes they are the both equal 5.25 when divided

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3 years ago

Nitella [24]

Answer:

#3: x is approximately 0.37, -5.37, #4: x is approximately 4.19, -1.19

Step-by-step explanation:

You can solve using the quadratic equation or by solving with the perfect square

$\frac{-b+/-\sqrt{b^{2}-4ac} }{2a}$ = $x^{2}+5x-2=0\\ \frac{-5+/-\sqrt{5^{2}-4(1)(-2) }}{2(1)}$

x is approximately 0.37, -5.37

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3 years ago

Dmitry [639]

Answer:

125

Step-by-step explanation:

Divide 50 by the 4 acres which is 12.5, then times 12.5 by 10 acres.

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2 years ago

scoray [572]

Answer:

6.93 cm

Step-by-step explanation:

You have a right triangle (90°), so you do as follow:

If I understand correctly, you are looking for the hypotenuse so

$cos(30) = \frac{PQ}{QR} = \frac{8 cm}{QR}$

That is equal to $QR = cos(30)*8 cm = 6.928 cm$

5 0

3 years ago