3 years ago

How do you add 5x/2x-16 + 2/x^2-64

Mathematics

2 answers:

BabaBlast [244]3 years ago

8 0

Answer:

5x^4−160x^2+4/2x^2

Step-by-step explanation:

5x/2 x−16+2/x^2−64

5/2x^4−80x^2+2/x^2

5x^4−160x^2+4/2xx

5x^4−160x^2+4/2x^2

zvonat [6]3 years ago

4 0

Try using the app Socratic, I love it soooooo muchhhhhh

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allsm [11]

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2 years ago

Martha's weight is 75kg. Her weight increased by 3%. What is her new weight?

Brums [2.3K]

Martha’s new weight is 77.25. 3% of 75 is 2.25 and you can find that by multiplying 75 by .03 and adding that number to 75. hope this helps!

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3 years ago

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Which expression is equivalent to StartFraction (3 m Superscript negative 2 Baseline n) Superscript negative 3 Baseline Over 6 m

Dovator [93]

Option a: $\frac{m^{5} }{162n}$ is the equivalent expression.

Explanation:

The expression is $\frac{(3m^{-2} n)^{-3}}{6mn^{-2} }$ where $m\neq 0, n\neq 0$

Let us simplify the expression, to determine which expression is equivalent from the four options.

Multiplying the powers, we get,

$\frac{3^{-3}m^{6} n^{-3}}{6mn^{-2} }$

Cancelling the like terms, we have,

$\frac{3^{-3}m^{5} n^{-1}}{6 }$

This equation can also be written as,

$\frac{m^{5}}{3^{3}6 n^{1} }$

Multiplying the terms in denominator, we have,

$\frac{m^{5} }{162n}$

Thus, the expression which is equivalent to $\frac{(3m^{-2} n)^{-3}}{6mn^{-2} }$ is $\frac{m^{5} }{162n}$

Hence, Option a is the correct answer.

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3 years ago

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Please Help Thank You So Much

VikaD [51]

Answer:

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3 years ago

The area of a triangle is 195 square centimeters. The length of the base is 26 centimeters. What is the height of the triangle?

Natali5045456 [20]

To find the area of a triangle uses the equation base*height/2. For this equation, we have 26 * h/2 = 195. This means that 26 * h = 195 * 2.
26 * 15 = 390, so your answer is 15 cm.

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3 years ago