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mixas84 [53]
3 years ago
5

Reflection across y = x what does this mean

Mathematics
1 answer:
Tatiana [17]3 years ago
3 0
Rule= (x,y) is now (y,x) so coordinates of (5,4) now would be (4,5). this is the rule for y=x problems so you take the coordinates and flip them for every point. 
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Greta currently works 45 hours per week and earns a weekly salary of $729. She
marissa [1.9K]

Answer:

Greta will be earning 3.6/h more at her new job.

Step-by-step explanation:

To find the difference subract Greta‘s salary from her current job from Greta’s salary from her future job.

To find Greta’s salary (numerator) at her future job divide her current weekly salary ($729) by 45h then multiply that answer (16.2) by the increase in salary 10% or 1.1. You should end up with $17.82- this is your numerator. To find the denominator divide her current hours (45h) by 45 then multiply that answer (1) by 0.9 which is the 10% decrease in hours. Now you have a fraction ($17.82/0.9) then multiply that fraction by 1.1/1.1 to get the denominator to 1 hour so you can subtract the fractions. You should end up with $19.8/h.

Now subtract Greta’s current salary ($16.2/h)- you just take the numbers from the first part before you increase or decrease- from her future salary ($19.8/h), you will end up with 3.6/h.

I was challenged to write this in a single equation:

[((($729\45h)x1.1)/((45h\45)x0.9))x1.1/1.1]-[($729\45h)/(45h\45)]

=$3.6/h

/ means a fraction bar

\ means division

Also I am just a student so please tell me if you find any mistakes I could fix or any suggestions to make this a better explanation, and if you have any questions ask away.

4 0
2 years ago
Mr.smith has 238 eggs in the warehouse. He collected all another 122 eggs from his chickens yesterday. As he arranged all the eg
Aleksandr [31]

Answer:

238 + 122 – 28 = 332

There were 332 unbroken eggs left.

332 – 126 = 206

There were 206 white eggs left

5 0
2 years ago
Helpppp ahhhhhhh plz
kaheart [24]

Answer:

It's Parallel

Step-by-step explanation:

Perpendicular have to intersect  

3 0
3 years ago
All triangle angles have 60 degree angles. What are the side lengths?
Alex_Xolod [135]
If all the angles are 60 degrees, this is an equilateral triangle. This means that all the sides have the same lengths. Whatever length side a is, b and c have the same length. 

Hope this helps :)
3 0
3 years ago
Read 2 more answers
Which set of sides will make a triangle
ElenaW [278]

Answer:

the third one 10 cm, 9cm 9cm

6 0
3 years ago
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