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3 years ago

Use the figure below to answer the following question.

Mathematics

1 answer:

MaRussiya [10]3 years ago

7 0

A linear pair of angles is formed when two lines intersect. Two angles are said to be linear if they are adjacent angles formed by two intersecting lines. The measure of a straight angle is 180 degrees, so a linear pair of angles must add up to 180 degrees.

Attached is a diagram that shows a linear pair, A and B.

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Simplify -5 ¼ - (-7 ½)

Ann [662]

Answer:

2 1/4

Step-by-step explanation:

-5 1/4- (-7 1/2)

to minus cancel each other out so it becomes a plus

-5 1/4 + 7 1/2

common dinomanater

-5 1/4 + 7 2/4

2 1/4

7 0

3 years ago

3m by 2m how many square meters

REY [17]

Answer:

6 m^2

Step-by-step explanation:

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4 years ago

Read 2 more answers

Let f(x) = 4x + 5 and g(x) = 9x − 4<br> f-g<br> (f-g)(x)=

zepelin [54]

Step-by-step explanation:

f(x) = 4x + 5, g(x) = 9x − 4

(f-g)(x) = f(x) -g(x)

=4x+5-9x+4

=-5x+9

=9-5x

8 0

3 years ago

If t a n squared θ = 3 /8 , what is the value of s e c θ

TEA [102]

We can use 3 facts:

$\tan{\theta}=\frac{y}{x}$

$\sec{\theta}=\frac{r}{x}$

$x^2+y^2=r^2$

So, to find our x and our y we can do:

$\tan^2{\theta}=\frac{3}{8} \implies \\ \tan{\theta}=\pm{\sqrt{\frac{3}{8}}=\pm\frac{\sqrt{3}}{\sqrt{8}}$ So, now that we know our x and our y we can find our r.

$(\sqrt{3})^2+(\sqrt{8})^2=11 \implies r=\sqrt{11}$

You'll notice, though, that there were two solutions for $\tan{\theta}$ , which means we have a positive and a negative for our x. So:

$\sec{\theta}=\frac{\sqrt{11}}{\sqrt{8}} \\ \sec{\theta}=-\frac{\sqrt{11}}{\sqrt{8}}}\\ \text{Rationalizing both of them:}\\ \sec{\theta}=\frac{\sqrt{88}}{8} \\ \sec{\theta}=-\frac{\sqrt{88}}{8}$

7 0

3 years ago

Read 2 more answers

How do you find 15% of a number

Mumz [18]

When you multiply a number by a percentage, you first convert the percent into a decimal.

You do this by moving the decimal point two places to the left and making the decimal point into % sign.

15% = 0.15

Then you multiply the decimal by the number you want to find the percentage of.

So, the answer to this question is <span>A. multiple the number by 0.15</span>

3 0

3 years ago