3 years ago

What is the value of n? Write your answer as a number only

Mathematics

1 answer:

GalinKa [24]3 years ago

5 0

Answer:

Step-by-step explanation:

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Please Help Me i'll give you all my points

Crank

Answer:

40% chance or probability

Step-by-step explanation:

30 people total 12 have had a cat, convert into fraction, 6/15, convert into a percent and you get 40%

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3 years ago

Which expressions are equivalent to the one below?

den301095 [7]

The expressions that show different ways to rewrite
$\dfrac{16^{x}}{4^{x}}$

are ...
a. (4^x * 4^x) / 4^x
b. 4^x
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3 years ago

Factor 4x^2+81 over the set of complex numbers.

Hunter-Best [27]

$Use:\\\\i=\sqrt{-1}\to i^2=-1\\\\a^2-b^2=(a-b)(a+b)\\--------------------\\\\4x^2+81=2^2x^2+9^2=(2x)^2-(-9^2)=(2x)^2-(-1)(9^2)\\\\=(2x)^2-(i^2)(9^2)=(2x)^2-(9i)^2=\boxed{(2x-9i)(2x+9i)}$

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4 years ago

How can I use operations to model real world problems?

Ainat [17]

Word problems are the best to model real world problems. Most word problems use real world situations and problems that need a solution that can be solved through operations

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3 years ago

At a sale, coats were sold for $2 each. This price was 5% of a coat's original price. How much did a coat originally cost?

erica [24]

Answer:

$40

Step-by-step explanation:

This isn't the proper way to do this but

5×20=100 so you multiply the $2 by 20

4 0

3 years ago