Please 20 points like rn 5 mins left on test

Answers

Answer 1

Answer:

Answer: counterclockwise rotation of 90° and a reflection over y axis

Step-by-step explanation:

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Kayla pays her plumber $22 per hour to replace her drain pipe. She ends up paying him $99. Which equation can you use to find h, the number of hours the plumber worked?

Answers

Simple....

so, if she payed him $99 in total and she payed him $22 dollars per hour...

just make it...

99=22h
and...

$(99)/(22)= (22h)/(22)$

4.5=h

Thus, the plumber worked 4.5 hours. (4 and a half hours)

Let's see...
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FORMULAS!! Or equations too...
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Sorry, we just have to, even if you don't want to.
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$22x = $99, where x is the numbers of hours the plumber worked.
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Now this is REALLY easy.
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Divide 22 on both sides!!
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22x/22 = 99/22.
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So... what's 99/22?
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4.5.
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The plumber worked 4.5 hours.
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Hope I helped!!

Help please?If sin O = -sqrt3 over 2 and n < O < 3 pi over 2, what are the values of cos O and tan O?

Answers

Answer:

cos(θ) = -1/2
tan(θ) = √3

Step-by-step explanation:

You know that ...

cos(θ)² = 1 - sin(θ)²
tan(θ) = sin(θ)/cos(θ)
cosine is negative in the third quadrant (where π < θ < 3π/2)

Using what you know about the relationships of these trig functions, you can find ...

cos(θ)² = 1 - ((-√3)/2)² = 1 - 3/4 = 1/4

cos(θ) = -1/2 . . . . . negative square root of 1/4

tan(θ) = sin(θ)/cos(θ) = ((-√3)/2)/(-1/2)

tan(θ) = √3

F(x)=2/3x+3
What is the value of f(12)?

Answers

Answer:

f=1/18x+1/4 x=-9/2+18f

If f(x)=3^x and g(x)=2x+5, at which value of x is f(x)

Answers

2

This is because f(2)=9 since 3^2=9
&
G(2)=9 since 2(2)+5=9

How do I write a slope intercept form of an equation of a line through given points ?

Answers

you find the slope of the equation using y2-y1/x2-x1 and then you find the y intercept which is the point that crosses the y axis. Then you put that information into the slope intercept equation (y=mx+b m=slope b=y intercept)

at least i think thats what you are asking

First you need the slope, which is easily attainable by the change of x over the change of y

ex. with coordinates (x,y)(X,Y)

m=slope
m= $( rise)/(run)$
= $( change x)/( change of y)$
= $(X-x)/(Y-y)$

Then you will have every thing except the y intercept
(represented by b)

Using the slope-intercept form
and x and y being represented by the x, y values of a co-ordinate

y=mx+b
We can derive b

b= y-mx

Then when we have both m and b
Insert them into the form

ex. if m=-4, b=6

y=-4x+6

Taa daa!
If that helped please let me know
If it REALLY helped please rate as "Brainiest"

Help please!!
Solve for X.