4 years ago

RST AFTER ROTATION (x,y) to (y,-x)

Mathematics

1 answer:

pychu [463]4 years ago

7 0

(x,y) to (y,-x)
answer
a rotation by 270 about the origin

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xeze [42]

You have to solve this integral

$\int\limits^7_{0.5} {525600(0.42 t^{2} +2.7t-1)} \, dt$

That integral is easy to solve:

525600[0.42 t^3/3 + 2.7t^2/2 - t] eavluated between the limits of the integral, i.e. 7 and 0.5

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4 years ago

Find the distance between Laurel and Delmar if they are 9 cm apart on a map with a scale of 1 cm : 18 km.

sp2606 [1]

If the ratio is 1:18, and we need to know how the other side for the ration 9:?, then we have to multiply 9x18.

9x18=162

so Laurel and Delmar are 162 km away

hope it helps! :3

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3 years ago

Need a little bit of help here

marusya05 [52]

Hi there,

If what you are trying to find is the volume, then:

Here's the equation:

4×6×2 = 48 --- volume of the smaller rectangular box
12×14×2 = 336 --- volume of the bigger box
48 + 336 = 384 --- the total volume of the figure

Hope this helped :P

3 0

4 years ago

Read 2 more answers

Find the range of f(x)=-x+4 for the domain (-3 -2 -1 1)

monitta

f(-3) = --3 +4 = 3+4 =7

f(-2) = --2 +4 =2+4 =6

f(-1) =--1 +4 = 1+4 =5

f(1) = -1 +4 =3

Range :{3,5,6,7}

Choice A

7 0