3 years ago

Please help solve this equation step by step?? 4x-2+x=-2+2x

Mathematics

1 answer:

patriot [66]3 years ago

3 0

I think it is 3x if I’m not mistaken

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An object travels back and forth along a straight line. Its velocity, in centimeters per second, is given by the function v(t) =

snow_lady [41]

Answer: 13 cm/s , B on Edgenuity

Step-by-step explanation:

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3 years ago

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10. simplify the rational expression by rationalizing the denominator.( 1 point ) 4√150/√189x

ddd [48]

Rationalizing the denominator, simply means "getting rid of that pesky root at the bottom", and we do so by simply multiplying it by something to take it out, of course, we multiply the bottom, we have to also multiply the top,

$\bf \cfrac{4\sqrt{150}}{\sqrt{189x}}\cdot \cfrac{\sqrt{189x}}{\sqrt{189x}}\implies \cfrac{4\sqrt{150}\sqrt{189x}}{(\sqrt{189x})^2}\implies \cfrac{4\sqrt{(150)({189x})}}{189x}$

$\bf \cfrac{4\sqrt{28350x}}{189x}\qquad 
\begin{cases}
28350=2\cdot 3\cdot 3\cdot 3\cdot 3\cdot 5\cdot 5\cdot 7\\
\qquad 2\cdot 3^2\cdot 3^2\cdot 5^2\cdot 7\\
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\qquad 2\cdot (3^2\cdot 5)^2\cdot 7\\
\qquad 2\cdot (45)^2\cdot 7\\
\qquad 14\cdot 45^2
\end{cases}\implies \cfrac{4\sqrt{14\cdot 45^2}}{189x}
\\\\\\
\cfrac{4\cdot 45\sqrt{14}}{189}\implies \cfrac{180\sqrt{14}}{189x}\implies \cfrac{20\sqrt{14}}{21x}$

4 0

3 years ago

Rachel rode her bike for one-fifth of a mile on Monday and two-fifths of a mile on Tuesday. How many miles did she ride altogeth

disa [49]

Answer:

3/5

Step-by-step explanation:

1/5 + 2/5 = 3/5

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3 years ago

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5. A right triangle has a hypotenuse that is 13 cm and a leg that is 4 cm.

kompoz [17]

Answer:

ok so square 13 cm, and square 4 cm. then you will add those together then take that number and find the square root plz mark brainliest

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2 years ago

The basic wage earned by a truck driver for a a 40 hour week is 560.00$ for overtime work the driver is paid one and a half hour

Lubov Fominskaja [6]

Answer:

Step-by-step explanation:

overtime = 1/2 x daily hourly rate

daily hourly rate = amount earned in a week / total hours worked

560 /40 = 14

overtime = 14/2 = 7

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2 years ago