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3 years ago

7

The record high January temperature in Austin, Texas, is 90 degrees F The record low January temperature is -7 degrees F, Find t

he difference between the high and low temperatures.

1 answer:

Black_prince [1.1K]3 years ago

3 0

i think the answer is -97

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Five more than a number p is less than 17.

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p+5 <17

Step-by-step explanation:

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2/3 * 1/2+ 3/4 /1+ 1/6

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1.25

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3 years ago

The engine life for a certain brand of lawn mower is modeled by the function f(h) = 50 - 1 3 h where h represents hours used. Wh

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3 years ago

A. (-1,0)<br> B. (0, -2)<br> C. (-2, 0)<br> D. (0, -1)

Alinara [238K]

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Step-by-step explanation:

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3 years ago

Hi, can someone please help, and possibly explain the answer please.

mr_godi [17]

Answer:

$x=\frac{-(-2)\±\sqrt{(-2)^2-4(3)(0)} }{2(3)}$

Step-by-step explanation:

Quadratic formula: $x=\frac{-b\±\sqrt{b^2-4ac} }{2a}$ when the equation is $0=ax^2+bx+c$

The given equation is $1=-2x+3x^2+1$ . Let's first arrange this so its format looks like $y=ax^2+bx+c$ :

$1=-2x+3x^2+1$

$1=3x^2-2x+1$

Subtract 1 from both sides of the equation

$1-1=3x^2-2x+1-1\\0=3x^2-2x+0$

Now, we can easily identify 3 as a, -2 as b and 0 as c. Plug these into the quadratic formula:

$x=\frac{-b\±\sqrt{b^2-4ac} }{2a}\\x=\frac{-(-2)\±\sqrt{(-2)^2-4(3)(0)} }{2(3)}$

I hope this helps!

8 0

3 years ago