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Pani-rosa [81]
3 years ago
9

What is the coefficient of the expression: 3n+4

Mathematics
2 answers:
Mice21 [21]3 years ago
7 0

Answer:

3

Step-by-step explanation:

umka2103 [35]3 years ago
4 0

Answer:

The coefficient is 3, the number right before the variable.

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One fifth of a number plus three times the number is equal to twice the number plus 42. What is the number
borishaifa [10]

Equation to find number's value: \frac{1}{5}n + 3n = 2n + 42

Number's value: n = 35


Explanation:

Let n be the unknown number for this problem.

One fifth of a number is the same as \frac{1}{5}n.

Three times the number is the same as 3n.

Twice the number plus 42 is the same as 2n + 42.

So, using the information we've gathered so far, we can create the equation that will provide us with n's value.

Equation: \frac{1}{5}n + 3n = 2n + 42

We can use this equation to find n's value.

You can subtract 2n from both sides to get the equation \frac{1}{5}n + n = 42, which is the same thing as the equation we were using.

Now add n and \frac{1}{5}n together to get 1\frac{1}{5}n.

After you do this, your equation should look like 1\frac{1}{5}n=42.

Now divide both sides by 1\frac{1}{5} to get n's value.

n = 35

7 0
3 years ago
Evaluate cos2 θ tan2 θ + tan2 θ sin2 θ in terms of tan θ.
Marianna [84]

Answer:

4

Step-by-step explanation:

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2 years ago
I need an explanation and answer
Minchanka [31]

Answer:

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Step-by-step explanation:


when parallel lines  are cut by a transversal line, the supplementary angles are angles whose angle measure adds up to 180°

so answers are:

a ║ c

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Answer: positive I think

Step-by-step explanation:

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