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Keith_Richards [23]
1 year ago
9

Simplify 5x^2+43x-18=0

Mathematics
1 answer:
GalinKa [24]1 year ago
8 0

Answer:

-9, 2/5

Step-by-step explanation:

5x^2 +43x-18=0 \\ \\ (5x-2)(x+9)=0 \\ \\ x=-9, \frac{2}{5}

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dexar [7]

Answer:C

Step-by-step explanation: You want to add up all the marbles, and then take the red marbles and divide by all the marbles 7/20

8 0
3 years ago
How many solutions does tan^-1 3 have in interval [0, 2 π)
zhuklara [117]
\bf tan^{-1}(3)\iff tan^{-1}\left( \frac{\pm 3}{\pm 1} \right)=\theta
\\\\\\
thus\qquad tan(\theta)=\cfrac{\pm 3}{\pm 1}\cfrac{\leftarrow opposite=y}{\leftarrow adjacent=x}

now, the angle of θ, can only have a "y" value that is positive on, well, y is positive at 1st and 2nd quadrants

and "x" is positive only in 1st and 4th quadrants

now, that angle θ, can only have those two fellows, "y" and "x" to be positive, only in the 1st quadrant, and also both to be negative on the 3rd quadrant.

and that those two fellows, can also be both negative in the 3rd quadrant
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so, the solutions can only be "3", when both "y" and "x" are the same sign, and that only occurs on the 1st and 3rd quadrants
6 0
3 years ago
If yu divide an inheritance of $45,600.00 among among 22 heirs, each heir will recieve
Sergeu [11.5K]
$45,600/22= $2072.70
5 0
3 years ago
It’s two parts help meeee please
8_murik_8 [283]

Answer:

m∠RMS = 20°

Step-by-step explanation:

Find ∠RMS and look at the two values it crosses.

∠RMS crosses through 180 and 160.

Find the difference between the two values to get the measure:

180 - 160 = 20°

So, m∠RMS = 20°

(Its also an acute angle.)

6 0
3 years ago
Read 2 more answers
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Talja [164]

Answer:

\frac{1}{6}

Step-by-step explanation:

We can find this by multiplying the two-thirds of Tanisha's garden by one-fourth, which is \frac{2}{3}*\frac{1}{4}=\frac{1}{6}.

8 0
4 years ago
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