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alexira [117]
3 years ago
8

Will mark brainliest

Mathematics
1 answer:
ikadub [295]3 years ago
8 0

Answer:

3rd choice

Step-by-step explanation:

(7y^6)(2y^-4)^2

= (7y^6)(4y^-8)

Calculate:

(7y^6) * (4y^-8)

28y^-2

Express with a positive exponent:

28 * 1/y^2

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katovenus [111]
That’s how you solve complex numbers.

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The volumes of two bodies are measured to be
valentinak56 [21]

Answer:

Sum of volumes = (16.6 ± 0.03) cm³

Difference of volumes = (3.8 ± 0.03) cm³

Step-by-step explanation:

Solution

V₁ = (10.2 ± 0.02) cm³ and V₂ = (6.4 ± 0.01) cm³.

∆V = ± (∆V₁ + ∆V₂)

= ± (0.02 + 0.01) cm³

= ± 0.03 cm³

V₁ + V₂ = (10.2 + 6.4) cm³ = 16.6 cm³ and

V₁ - V₂ = (10.2 - 6.4) cm³ = 3.8 cm³

Hence, sum of volumes = (16.6 ± 0.03) cm³

and difference of volumes = (3.8 ± 0.03) cm³

<u>-TheUnknownScientist</u>

5 0
3 years ago
Read 2 more answers
Read the photo and it will tell the question
likoan [24]

Answer:

c

Step-by-step explanation:

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Suppose you have a coupon for 10% off and you use it to buy a CD which was already discounted 15%. Do you end up with a discount
Andrew [12]
No because the extra 10% is off the discounted price, not the original. image that the CD originally cost $10. 15% off of the CD would make the price $8.50. Another 10% off of $8.50 would make the price that you have to pay $7.65. 25% off of the original price of $10 would make the price $7.50. Sorry if its a bit confusing but I hope that helps! 
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A basketball player dropped a ball from a height of 5.5 feet. The first bounce reached a height of approximately 16 inches. The
DerKrebs [107]

Answer:

y=66(.25)x

(obviously the x is supposed to be an exponent but idk how to make it an exponent)

Step-by-step explanation:

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3 years ago
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