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3 years ago

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Chapter 1 quiz 1. form g. do you know how? write an algebraic expression for each phrase. 1. a number x plus 11.

1 answer:

skelet666 [1.2K]3 years ago

7 0

For this case we have the following sentence:
"a number x plus 11"
We want to write this phrase as an algebraic expression.
We have then:
a number x: x
plus: +
11: 11
The algebraic expression is:
x + 11
Answer:
a number x plus 11 is:
x + 11

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Read 2 more answers

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zmey [24]

Answer:

$\sin \theta = \dfrac{5}{13}$ and $\sec \theta = -\dfrac{13}{12}$

Step-by-step explanation:

Assume that the terminal side of thetaθ passes through the point (−12,5).

In ordered pair (-12,5), x-intercept is negative and y-intercept is positive. It means the point lies in 2nd quadrant.

Using Pythagoras theorem:

$hypotenuse^2=perpendicular^2+base^2$

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Taking square root on both sides.

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In a right angled triangle

$\sin \theta = \dfrac{opposite}{hypotenuse}$

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$\sec \theta = \dfrac{13}{12}$

In second quadrant only sine and cosecant are positive.

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4 years ago