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Lesechka [4]
3 years ago
6

Determine if each pair of rates are equivalent. 12 postersfoe 36 students; 21 posters for 63 students

Mathematics
1 answer:
AysviL [449]3 years ago
7 0

Answer:

Yes

Step-by-step explanation:

Determine whether 12/36 = 21/63.

Note that 12/36 reduces to 1/3, and that 21/63 also reduces to 1/3.  So, yes, the  given rates are equivalent.

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ehidna [41]

Answer:

We conclude that we must add 4² or 16 to complete the square.

Hence, option C i.e. 16 is the correct answer.

Step-by-step explanation:

We know that the perfect square formula is

<em>(a + b)² = a² + b² + 2ab</em>

Given the equation

x^2+8x

Let us add 4² or 16 in the equation

x^2+8x+4^2

x^2+\:2\left(1\right)\left(4\right)x+4^2

as <em>(a + b)² = a² + b² + 2ab, </em>so

<em />x^2+8x+4^2=\left(x+4\right)^2<em />

<em />

Therefore, we conclude that we must add 4² or 16 to complete the square.

Hence, option C i.e. 16 is the correct answer.

4 0
3 years ago
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Keely says that he’s glad that his morning coffee is sold in a monopolistically competitive market rather than a purely competit
aleksklad [387]
This suggests that he buys products with higher prices than other similar products. But this type of market(monopolistic competition) is great though, because there are lesser suppliers than in the pure competition where products are almost within the same price ranges. In a monopolistic competition, suppliers sell their products with a justifiable high price. This is also an advantage for the buyers, they would be able to consume and be satisfied with products of high quality. 
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3 years ago
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dedylja [7]

Answer:

3/14

Step-by-step explanation:

1st subtract the y's

the subtract the x's in the same order

-9 - 5 = -14

put the first result over the second

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4 0
2 years ago
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givi [52]

Answer: It is D

Step-by-step explanation:

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leva [86]

Answer:

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Step-by-step explanation:

fe\neqcb

fg\neqbd

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