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3 years ago

Simplify the following rational expression 8x²/12x⁴

Mathematics

1 answer:

alukav5142 [94]3 years ago

3 0

$\sf \frac{8 {x}^{2} }{12 {x}^{4} }$

Reduce the like terms with a common factor 2

$\sf \frac{8}{12 {x}^{2} }$

Reduce the fraction with 4

$\sf \frac{2}{3 {x}^{2} }$

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For a random sample of 20 professional athletes, there is a strong, linear relationship between the number of hours they exercis

QveST [7]

Answer:

D) -0.87

Step-by-step explanation:

I took this test don't quote me on the answer but this is what my peers put.

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3 years ago

How do I solve this quadratic equations by factoring

Aleks [24]

If xy=0, assume that x and/or y=0

so we already gots factored
therfor
assume
3n-2=0 and 4n+1=0
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3n-2=0
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4 years ago

Will mark brainliest !! Easy math

marshall27 [118]

Answer:

increase = 37.38 cm²

You'd like the first way because it took less effort and less chance of a miscalculation.

Step-by-step explanation:

first way:

(just work with the difference in height)

(0.7 x 8.7 x 2) + (0.7 x 18 x 2) = 37.38 cm²

second way:

old total lateral surface area = (31 x 8.7 x 2) + (31 x 18 x 2) = 1655.4

new total lateral surface area = (31.7 x 8.7 x 2) + (31.7 x 18 x 2) = 1692.78

increase = 1692.78 - 1655.4 = 37.38 cm²

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3 years ago

Practice another write the function in terms of unit step functions. find the laplace transform of the given function. f(t) = t,

balu736 [363]

Using the Laplace transform to solve the given integral equation f(t) = t, 0 ≤ t < 4 0, t ≥ 4 is $\frac{4(1-2e^-5s)/}{s}$

explanation is given in the image below:

Laplace remodel is an crucial remodel approach that's particularly beneficial in fixing linear regular equations. It unearths very wide programs in var- areas of physics, electrical engineering, manipulate, optics, mathematics and sign processing.

The Laplace transform technique, the function inside the time domain is transformed to a Laplace feature within the frequency area. This Laplace function could be inside the shape of an algebraic equation and it may be solved without difficulty.

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2 years ago

Casandra is training for a 10 mile race. On the first day of running training she runs 4 miles, each day after that she adds on

ArbitrLikvidat [17]

Let the number of days needed be x.

First day = 4 miles = 3.5 + 0.5
Second day = 3.5 + 0.5(2)
Third day = 3.5 + 0.5(3)

Equation: 3.5 + 0.5x

<u>Find the number of days needed to run 8 miles:</u>
3.5 + 0.5x = 8
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Answer: Casandra 8 miles on the <u>9th day</u>.

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3 years ago