4 years ago

Pease I need help..

1 answer:

4 0

You would divide 69 (her height) by 12 to get feet, and to get her weight in pounds, you need to multiply her weight in KG by approximately 2.205. Her weight in pounds is 154.324 pounds.

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16x²-81=0 solve the following quadratic equation

arsen [322]

$16x^2-81=0\\\\(4x)^2-9^2=0\\\\(4x-9)(4x+9)=0\iff4x-9=0\ \vee\ 4x+9=0\\\\4x=9\ \vee\ 4x=-9\\\\x=\frac{9}{4}\ \vee\ x=-\frac{9}{4}$

$or\\\\16x^2-81=0\\\\16x^2=81\ \ \ \ /:16\\\\x^2=\frac{81}{16}\\\\x=\pm\sqrt\frac{81}{16}\\\\x=-\frac{\sqrt{81}}{\sqrt{16}}\ \vee\ x=\frac{\sqrt{81}}{\sqrt{16}}\\\\x=-\frac{9}{4}\ \vee\ x=\frac{9}{4}$

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3 years ago

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the production line where you work can assemble 5 amplifiers every 30 minutes at this rate how long should it take the line to a

nevsk [136]

See this question as Ratio.

Amplifiers : Time Taken in minutes

5 : 30

5x= 125
x= 25

so

5*25 : 30*25

125 : 750

750 minutes.
12 hours 30 minutes.

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3 years ago

For any input, there is only possible output O Three O Two O One O Zero

Makovka662 [10]

The answer would be one

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3 years ago

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Three girls search for geodes in the desert. corinne collected 11 1/8 pounds, ellen collected 4 5/8 pounds, and leonda collected

jeyben [28]

9 3/4. Is the answer

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