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allsm [11]
3 years ago
11

3 less than one-thirteenth of some number, w

Mathematics
1 answer:
Leviafan [203]3 years ago
4 0
As an expression, it would be:

3 - 1/13w (or you could also do 1/13w - 3).
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A curve in polar coordinates is given by: r=9+3cosθ. Point P is at θ=21π/18 .?
ikadub [295]

Answer:

Step-by-step explanation:

Given that a curve in polar coordinates is given by:

r=9+3cosθ

a) At point P, we have

θ=\frac{21\pi}{18}

Substitute to get

r=9+cos \frac{21\pi}{18}\\=9.3932

b) Cartesian coordinate is

x= rcos \theta=3.6934\\y =r sin \tjeta =8.6365

c) At the origin r =0

when r =0

we have

9+3cos\theta=0\\cos\theta =-3

Since cos cannot take values as -3 it doe snot pass through origin.

6 0
2 years ago
Which is the graph of the linear equation 3x - 4y = -12
melamori03 [73]

Answer:

the graph that goes through the points

(0,3), (-4,0)

Step-by-step explanation:

make y the subject

3x-4y=-12

4y=3x+12

y=(3x+12)/4

now when x=0

y=12/4=3

so coordinates (0,3)

now when y=0

0=(3x+12)/4

by multplying both sides by 4

0=3x+12

0=3 (x+4)

divide both sides by 3

0=x+4

x=-4

so coordinates (-4,0)

3 0
3 years ago
Read 2 more answers
What is one-half of the product of the following?
agasfer [191]

Answer:

-2/3 is the right answer

5 0
2 years ago
Read 2 more answers
Please help need urgent
aleksandr82 [10.1K]

Convert the cm to feet for the base and the height:

12/2 = 6 x 3 = 18 feet

9/2 = 4.5 x 3 = 13.5 feet


area = 1/2 x base x height

Area = 1/2 x 18 x 13.5

Area = 121.5 square feet


answer: 121.5 square feet

3 0
2 years ago
How far does a sailboat travel on a 3.5 cruise it is avenge spent is 18.6 mph?
Lerok [7]
The answer is d, 65.1. 18.6•3.5=65.1
8 0
2 years ago
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