3 years ago

What are the answers?

Mathematics

1 answer:

lina2011 [118]3 years ago

6 0

Heres the first 9 problems im on a time

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Find the four geometric means between 486 and 2

melamori03 [73]

Answer:

486, 486r,486r^2,486r^3,486r^4,2

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2 = 486r^5

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r^5= 1/243

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r = 1/3

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Ans: 486*(1/3),486*(1/9),486(1/27),486(1/81)

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Step-by-step explanation:

8 0

4 years ago

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Which is a perfect square? 72 81 90 99

Korvikt [17]

Wouldn't it be 81?
Because 9x9=81
And that's how you get perfect squares

3 0

4 years ago

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The number of pizzas is in a proportional relationship to the weight of the shredded cheese toppings. When shredded, a 50-lb b

Naddika [18.5K]

Answer:

Step-by-step explanation:

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3 years ago

Which linear equation can be derived from this proportion?

inn [45]

9514 1404 393

Answer:

D. 2x - 6 = 5x - 45

Step-by-step explanation:

To make the linear equation, we can multiply the given equation by 5(x-3).

$\dfrac{x-9}{x-3}=\dfrac{2}{5}\\\\\dfrac{(x-9)(5)(x-3)}{(x-3)}=\dfrac{2(5)(x-3)}{5}\\\\5(x-9)=2(x-3)\qquad\text{looks like }\textit{cross multiply}\\\\5x-45=2x-6\qquad\text{use the distributive property; matches D.}$

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3 years ago

A bag contains 56 marbles: 7 red, green, 11 yellow, 17 brown, and 13 blue.

pav-90 [236]

Answer:

8/56

Step-by-step explanation:

Add up all other marble colors then find the difference from the total.

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3 years ago

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