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timofeeve [1]
3 years ago
10

What is the value of the expression if z=27

Mathematics
1 answer:
Annette [7]3 years ago
5 0
Well think what z means and divide 27
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In parallelogram RSWY, find m
Oksanka [162]

Answer:

110 and 70

Step-by-step explanation:

opposite sides of parallelograms are equal so you can set 2x+30 equal to 5x-90

when you do this:

2x+30=5x-90

-2x      -2x

30=3x-90

+90    +90

120=3x

/3     /3

40=x

now you can plug 40 in for 5x-90

example:

5(40)-90

200-90

110

m<r=110

<r and <s are supplementary because they are consecutive angles

supplementary is when two angles add up to 180

since <r is 110, do 180-110 and get 70

m<s = 70

5 0
3 years ago
2. Wilton drives a taxicab. He charges $40 per hour. One passenger gave Wilton a tip of $30. Write an expression to represent th
ICE Princess25 [194]
Hopefully this is the correct answer! but your expression would be:  y=40x+30
and if he drove for 5hrs then you would plug in 5 for your x value so it would be y=40*5+30 and 40*5 is 200.(the star means multiplying) then add 30 to get a total of $230
so the expression is:  y=40x+30
and if he drove for 5hrs then he sould make a total of: $230
hopefully that helped and was the right answer  :)
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3 years ago
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(y4 – y3 + 2y2 + y – 1) ÷ (y3 + 1)
solmaris [256]

Answer:

y-1+ 2y^2/y^3+1

Step-by-step explanation:

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A cylindrical water tank has a diameter of 4 m and a height of 3 m, while a water tank shaped like a rectangular prism has a len
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The 1st one can vary more by 12 cubic meters
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