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3 years ago

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1 answer:

Alisiya [41]3 years ago

7 0

What wheres is this a troll lol

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Solve equation by factoring.

3241004551 [841]

Hi ;-)

$x^2+6x-10=30 \ \ /-30\\\\x^2+6x-40=0\\\\a=1, \ b=6, \ c=-40\\\\\Delta=b^2-4ac=6^2-4\cdot1\cdot(-40)=36+160=196\\\\\sqrt{\Delta}=\sqrt{196}=14\\\\x_1=\frac{-b-\sqrt{\Delta}}{2a}=\frac{-6-14}{2}=\boxed{-10}\\\\x_2=\frac{-b+\sqrt{\Delta}}{2a}=\frac{-6+14}{2}=\boxed4$

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3 years ago

Simplify 2452.5<br> Plz help me

Aleks04 [339]

Answer:

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3 years ago

A ball is thrown into the air with an upward velocity of 48 ft/s. Its height h in feet after t seconds is given by the function

stiv31 [10]

The answer to this, your question is h = -16t • 2 + 48t + 6
h = -32t + 48t + 6
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3 years ago

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Kallie is selling lemonade and ice pops to raise money for a trip to the local water park. A cup of lemonade costs $0.75, and

qaws [65]

Answer:

1.25x+0.75y>25

x+y>20

Explanation:

Selling 20 cups of lemonade and 15 ice pops will raise enough money to go to the water park.

0.75x+1.25y≥25

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3 years ago

Identify the place of the 4 in the number: 45,348

MAXImum [283]

Ten thousands and tens place.

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3 years ago