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2 years ago

Please answer this . It’s of class 8 Thank you

Mathematics

2 answers:

Whitepunk [10]2 years ago

7 0

Answer:

The answer is $\frac{125}{9}$

Step-by-step explanation:

$(\frac{3}{5})^{-3}$

= $(\frac{5}{3})^{3}$

= $\frac{125}{27}$

Katen [24]2 years ago

3 0

Answer:

= (3/5)-³

= (5/3)³

= (5/3) × (5/3) × (5/3)

= (125/27)

Hope it helps.

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Brian needs to paint a logo using two right triangles. The dimensions of the logo are shown below. What is the difference betwee

solong [7]

Answer:

7.5 cm²

Step-by-step explanation:

Dimensions of the large ∆:

$base (b) = 3cm, height (h) = 9cm$

$Area = 0.5*b*h = 0.5*3*9 = 13.5 cm^2$

Dimensions of the small ∆:

$base (b) = 2cm, height (h) = 6cm$

$Area = 0.5*b*h = 0.5*2*6 = 6 cm^2$

Difference between the area of the large and the small ∆ = 13.5 - 6 = 7.5 cm²

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2 years ago

What is 16/1000 simplified?

nataly862011 [7]

Answer= 8/125 or 0.016
16/1000 can be simplified by dividing both the numerator and denominator by 8

16 2
____=___
1000 125

2/125=0.016

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2 years ago

Have you done any factoring with variables? Which property (Commutative, Distributive, or Associative) do you think is most invo

vazorg [7]

Idk how im supposed to answer this or whatevs bu
yes i have done factoring with variables.
distrubutive is the most involved in factoring method as i can tell.
i dont think ive studied this before or i mightve forgoten but im sure a polynomial can be factored into another one.
and yea. hope this helped in sum way

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3 years ago

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Can someone please please help me :/ I have to get this right. please help

Vladimir [108]

<h3>Answer: Choice B. f(x) = 100 - 68x</h3>

Work Shown:

Solve for y. Then replace y with f(x).

$680x + 10y - 1000 = 0\\\\10y - 1000 = -680x\\\\10y = -680x + 1000\\\\y = \frac{-680x + 1000}{10}\\\\y = \frac{-680x}{10} + \frac{1000}{10}\\\\y = -68x + 100\\\\y = 100 - 68x\\\\f(x) = 100 - 68x\\\\$

Effectively this involves adding 1000 to both sides and subtracting 680x from both sides, afterward we divide both sides by 10 to isolate y.

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2 years ago

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8x - y = 50; x + 4y = -2

inessss [21]

Answer: x= 6, y= -2

Step-by-step explanation: hope this helps.

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