3 years ago

N^2-4n-32..............

Mathematics

1 answer:

Dima020 [189]2 years ago

6 0

The answer should be 3n^3-32

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Can somebody check my answer please <br> I think the answer is 56 but I want to be sure :)

leva [86]

Answer:

yup its right

Step-by-step explanation:

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2 years ago

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What basic trigonometric identity would you use to verify that

Dafna1 [17]

Given the equation:

$\frac{\sin^2x+\text{cos}^2x}{\cos x}=\sec x$

Let's determine the trigonometric identity that you could be used to verify the exquation.

Let's determine the identity:

Apply the trigonometric identity:

$\sin ^2x+\cos ^2x=1$

$\cos x=\frac{1}{\sec x}$

Replace cosx for 1/secx

Thus, we have:

$\begin{gathered} \frac{\sin^2x+\cos^2x}{\frac{1}{\sec x}} \\ \\ =(\sin ^2x+\cos ^2x)(\sec x) \\ \text{Where:} \\ (\sin ^2x+\cos ^2x)=1 \\ \\ We\text{ have:} \\ (\sin ^2x+\cos ^2x)(\sec x)=1\sec x=\sec x \end{gathered}$

The equation is an identity.

Therefore, the trignonometric identity you would use to verify the equation is:

$\cos ^2x+\sin ^2x=1$

ANSWER:

$\cos ^2x+\sin ^2x=1$

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1 year ago

A baseball player got 13 hits in 50 times at bat. what percent of her times at bat did she get a hit

3241004551 [841]

Answer:

26%

Step-by-step explanation:

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2 years ago

Solution of equation x^2+4x+10=0

never [62]

Answer:x+=-2 plus or minus radical 6

Step-by-step explanation:

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2 years ago

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Bridget is asked to simplify the expression below.

mixas84 [53]

So simplify the equation
remember
add like terms
x+x=2x
1+1=2
2x+4x=6x
3x^2+3x^2=6x^2
cannnot add x and x^2

so grou plike terms

-5x-3x+1x+4-1-9
add
-5-3+1=-7 and 4-1-9=-6 so
-7x-6 is the answer
ax+b
-7x-6
a=-7
b=-6

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2 years ago