3 years ago

How do you factor 45x^2+295x-140

Mathematics

1 answer:

Vaselesa [24]3 years ago

8 0

I could explain it, but you have to ask me, other than that the answer is 5(x+7)(9x-4).

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what is 1+1? My daughters teacher said the answer wasn't 2 when she wrote it on her worksheet. please help a parent out!! maybe

nikdorinn [45]

Answer:

Step-by-step explanation:

Maybe they got confused or could not read her handwriting well because im pretty sure it is 2

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3 years ago

At a speed of 22 revolutions per minute, how long will it take a wheel of radius 10,

Bogdan [553]

Well, if the radius is 10, then the circumference is $\frac{2*10*22}7=\frac{440}7$
What's the unit? Either way, 22 rev. per minute means each minute you go by $22*\frac{440}7=\frac{9680}7$ units per second. Now you got the linear speed, just find out the time by dividing the distance by the speed!
So, what's the unit for the radius?

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4 years ago

The answer to my question

poizon [28]

The answer would be B. because a unit rate is usually equal to one for the sake of conversion

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3 years ago

Read 2 more answers

(3 to the power of 2) + (5 − 2) ⋅ 4 − 6 over 3

Oduvanchick [21]

Do parentheses first: 9+7x4-6/3 then multiplication/division: 9+28-2 then addition/subtraction: =35

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