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PSYCHO15rus [73]
3 years ago
12

Which is a polar form of the following parametric equations ?

Mathematics
1 answer:
Vsevolod [243]3 years ago
5 0

Answer:

r=4sin(theta)

Step-by-step explanation:

x=4sin^2(theta)        y=4sin(theta)cos(theta

theta=arcsin((sqrtx)/2)

y=4sin(arcsin(sqrtx/2))cos(arcsin(sqrtx/2))

graph each to see they line up

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$0.87 your wages initially
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The cost of renting a landscaping tractor is a $100 base fee plus the hourly rate.
agasfer [191]

Answer:

a. f(h) = 100 + mh and g(h) = 100 + 2mh

b. The slope of g(h) is double of slope of f(h).

c. f(x) = 100 + mx.

Step-by-step explanation:

The cost of renting a landscaping tractor is a $100 base fee plus the hourly rate.

a. If the hourly rate is $m per hour, then the function f(h) represents the cost of renting the tractor for h hours, then  

f(h) = 100 + mh .......... (1)

If the hourly rate is doubled i.e. 2m, then the function g(h) represents the cost of renting the tractor for h hours, then

g(h) = 100 + 2mh ........... (2)

b. If we graph the function f(h) then the slope of the equation will be m and the y-intercept will be 100.

If we graph the function g(h) then the slope of the equation will be 2m and the y-intercept will be 100.

Therefore, in the case of g(h), the slope will be double the slope of f(h).

c. If the tractor is rented for x hours, then the function f(h) will be  

f(x) = 100 + mx. (Answer)

7 0
4 years ago
It takes April 7 1/3 hours to drive to her grandparents' house. So far she has driven 3 5/6 hours. How many more hours does Apri
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3 years ago
Help me answer the question please ​
jok3333 [9.3K]

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Read 2 more answers
Which ordered pair is a solution of x-y=2 and <br> 3y-x=8
Leokris [45]

The ordered pair is a solution of x - y = 2 and  3y - x = 8 is (x, y) = (7, 5)

<h3><u>Solution:</u></h3>

Given two equations are:

x - y = 2 and 3y - x = 8

<em><u>To find: orderes pair i.e (x, y)</u></em>

Let us consider:

x - y = 2 ------- eqn 1

3y - x = 8 --------- eqn 2

<em><u>Let us solve eqn 1 and eqn 2 to find values of "x" and "y"</u></em>

On rearranging eqn 2, we get

-x + 3y = 8 ------ eqn 3

Add eqn 1 and eqn 3

x - y = 2

-x + 3y = 8

(+) ---------------

0 + 2y = 10

2y = 10

<h3>y = 5</h3>

Therefore from eqn 1,

x - y = 2

x - 5 = 2

x = 5 + 2 = 7

<h3>x = 7</h3>

Thus the ordered pair to the given equations are (x, y) = (7, 5)

8 0
3 years ago
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