3 years ago

What is the answer to 2x squared?

Mathematics

1 answer:

anzhelika [568]3 years ago

6 0

Answer:

it’s just 2x^2

it’s not factorable

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How many 0.35 L glasses can you fill with a 1.65 L bottle of water

ycow [4]

Answer:

<h3>4.71 glasses </h3>

Steps:

Let say you can fill N no of 0.35 L glasses with 1.65 L.

Then,

N times 0.35 =1.65

N × 0.35=1.65

N=1.65/0.35

N=4.71

It means you can fill 4 glasses completely and 71% of the 5th glass.

7 0

4 years ago

HELP ME FAST PLEASE!! If -x is positive, then -x>0?? TRUE OR FALSE???

Free_Kalibri [48]

Answer:

true because if it's positive it's greater than zero

Step-by-step explanation:

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3 years ago

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What expression is equivalent to (-2+4i)+(1-7i)-(-8+5i)

S_A_V [24]

-2 + 4i + 1 - 7i + 8 - 5i
7 - 8i

4 0

3 years ago

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The path of water from a hose on a fire tugboat can be approximated by the equation y=-0.0055x^2 +1.15x + 5, where y is the heig

Komok [63]

Answer:

The water is 208.22ft from the tug boat

Step-by-step explanation:

The governing equation is $y=-0.0055x^2 +1.15x + 5$

y is the height above the ocean

x is the distance from the tugboat

if y= 6ft, the equation will now become

$6=-0.0055x^2 +1.15x + 5$

we can arrange this properly to form a quadratic equation by grouping like terms.

$-0.0055x^2 +1.15x -1=0$

solving quadratically we have two values of x as 208.22ft and 0.873 ft.

We can take a more realistic value as a solution to our problems:

208.22ft

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4 years ago

Let 3x^2+kx+4. determine all values of k such that the quadratic equation f(x) =0 has one real root

user100 [1]

//I'll use the discriminant rule for this.
b^2 - 4ac = 0 when one real root

Therefore, k^2 - 4*3*4= 0
k^2 = 48
k= +-4√3

7 0

4 years ago