What is the solution 7tan^3x-21tanx=0

1 answer:

4 0

The final solution is all the values that make 7tan(x)(tan2(x)−3)=07tanxtan2x-3=0 true

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Expand (n+5)^2 by rewriting the expression a multiplication of n 5 by itself and using the FOIL

damaskus [11]

$(n+5) ^{2} = (n+5)(n+5)$

Now we use FOIL to rewrite the expression.

FOIL is:
First
Outer
Inner
Last

That's the order we will be distributing the variables in the parentheses.

$n^{2} + 5n +5n +25$

Combine like terms:
$n^{2}+10n+25$

That's your final answer.

Hope that helps.

8 0

3 years ago

Use what you know about decimals or fractions to explain why (0.2)•(0.002)=0.0004

strojnjashka [21]

Answer:

So any time you are multiplying something, you are making "groups of"

so 3 groups of 2 = 6, 4 groups of 3 = 12

But with decimals or fractions, because they are a value less than zero, the numbers become increasingly small instead of bigger, like standard multiplication.

So for example, 1 group of 1/2 = 1/2

2 groups of 1/4 = 1/2

and so on

hope this helps!

6 0

2 years ago

2. Hannah and Bella went out for pizza. Hannah ate 2/6 of the pizza and Bella ate1/4

STALIN [3.7K]

Answer:

they ate 7/12 of the pizza I think but sry if I am wrong

6 0

2 years ago

Anit [1.1K]

B is the correct answer to this question

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3 years ago

Which table represents a quadratic function?

polet [3.4K]

Answer:

Its A i just took the test

Step-by-step explanation:

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3 years ago