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3 years ago

Which phrase describes the expression 505n ?

Mathematics

1 answer:

joja [24]3 years ago

6 0

Answer:

I believe it would be "505 times n"

Step-by-step explanation:

If tis is not what you are looking for I am sorry, but the question was vague.

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Answer:

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Step-by-step explanation:

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3 years ago

A number is increased by 30, and the

Novosadov [1.4K]

Answer:

The original number is 17.

Step-by-step explanation:

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3 years ago

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If 1 km = 0.621 miles, how many miles are in a centimeter?

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3 years ago

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2cos(2x/3 - pi/4) - căn 3 = 0

pshichka [43]

2cos(2x/3+pi/4)-square2=0

cos(2x/3+pi/4)=radical2/2

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3 years ago

What are the values of x and y?

Vesna [10]

Answer:

B) x = 8 $\sqrt{3}$ ; y = 4 $\sqrt{3}$

Step-by-step explanation:

in a 30-60-90° triangle the sides, respectively, are in the ratio of

1 : $\sqrt{3}$ : 2

we can find 'x' by creating this proportion:

12/ $\sqrt{3}$ = x/2

cross-multiply to get:

$\sqrt{3}$ x = 24

x = 24/ $\sqrt{3}$

we can simplify this by 'rationalizing the denominator' which is to

multiply numerator and denominator by $\sqrt{3}$ to get:

(24 $\sqrt{3}$ )÷3, which is 8 $\sqrt{3}$

we know that side 'y' is half that of side 'x'

therefore y = 4 $\sqrt{3}$

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3 years ago