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3 years ago

Point w is reflected across x = 1 (3,-2)

Mathematics

1 answer:

dalvyx [7]3 years ago

3 0

Answer:

are we supposed to find w ?

Step-by-step explanation:

i dk what to do, do you have a pic to go along?

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HELP!!! Simplify cos^2 0 -1/ 4sin^2 0?

Shkiper50 [21]

We need to simpify the given expression. The given expression to us is ,

Given Expression :-

$\sf\implies \dfrac{ cos^2\theta -1}{4 \ sin^2\theta }$

Using Identity :-

$\sf\implies \red{ sin^2\theta + cos^2\theta = 1}$

So that :-

$\sf\implies - sin^2\theta = cos^2\theta -1$

We have :-

$\sf\implies \dfrac{ cos^2\theta -1}{4 \ sin^2\theta } \\\\\sf\implies\dfrac{ - sin^2\theta}{4sin^2\theta}=\boxed{\sf -\dfrac{1}{4}}$

Hence the required answer is -1/4. 

5 0

3 years ago

A school typically sells 500 yearbooks each year for $50. The economics class does a project and discovers that they can sell 10

padilas [110]

Answer:

a is 100 b is 5

Step-by-step explanation:

a is 100 because if you substitute 100 for a and 1 for x (decrease of 5 dollars) you get 600 yearbooks sold which is a curate according to the economics class prediction

b is 5 because substituting 5 into b and 1 to x gives you 45 dollars per year book. this is accurate because a 5.dollar decrease in price makes the year books 45 dollars instead of 50

7 0

3 years ago

A theater has 990 total seats. There are r rows of seats in the

shepuryov [24]

Answer:

990 TS / 45 S = R

R = 22

Step-by-step explanation:

8 0

3 years ago

What is the value of K? 1/2k + 6 = 4K - 8 A.-4 B. -3 C. 3 B. 4

erastova [34]

You solve it like an equation and then you operate on both sides to keep equallity

3 0

4 years ago

Read 2 more answers

What is the length of x in the triangle shown

ivann1987 [24]

Since this is a right triangle the angle opposite the side 17 is also 45°

So this can be solved in two ways...

The Law of sines...

x/sin90=17/sin45

x=17/sin45

x≈24.04 to nearest hundredth

or by realizing that both sides are 17 because they are both opposite 45° angles then the hypotenuse x is

x=√(2*17^2)

x=√578

x≈24.04

8 0

3 years ago