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Wittaler [7]
2 years ago
7

PLEASE HELPPPP(BRAINLIEST FOR RIGHT ANSWER)

Mathematics
2 answers:
Thepotemich [5.8K]2 years ago
8 0

Answer:

The relation between polar and Cartesian coordinates are

r2=x2+y2

tan

θ

=

y

x

,

x

=

r

cos

θ

,

y

=

r

sin

θ

r

=

8

sin

θ

∴

r

⋅

r

=

r

⋅

8

sin

θ

or

r

2

=

8

r

sin

θ

∴

x

2

+

y

2

=

8

y

or

x

2

+

y

2

−

8

y

=

0

or

x

2

+

y

2

−

8

y

+

16

=

16

or

x

2

+

(

y

−

4

)

2

=

4

2

Rectangular form is

x2+(y-4)2=42

graph{x^2+(y-4)^2=16 [-20, 20, -10, 10

Step-by-step explanation:

i created it that way so yall will take a longer time to answer

Fynjy0 [20]2 years ago
4 0
The last one is the answer
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11y - |x|; if x = -10 and y = 2
bonufazy [111]

Answer:

- 8

Step-by-step explanation:

x = - 10

y = 2

I x I

= I - 10 I

= 10

y - I x I

= 2 - 10

= - 8

7 0
3 years ago
Read 2 more answers
Solve the question on the image ​
Nataly [62]
Times the whole equation by 15 since the LCM of 3 and 5 is 15.
You get: 5p-3p-6= 60
Rearrange to get: 2p=66
p=33
5 0
2 years ago
Find the average of these numbers. 23, 24, 27, 25, 26, 23, 21, 32, 29, 30
Pavel [41]

Answer:

26

Step-by-step explanation:

First, add all the numbers together

23 + 24 + 27 + 25 + 26 + 23 + 21+ 32 + 29 + 30= 260

Then divide by the number of terms there are, in this case 10

260/10= 26

6 0
3 years ago
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Which exponential model best represents the data? O f(x) = 3(1.2) O f(x) = 2(0.3)* O f(x) = 2(3)* O f(x) = 3(0.2)*​
aleksley [76]

The exponential model has an initial value of 3

The exponential model of the data is f(x) = 3 * (1.2)^x

<h3>How to determine  the exponential model?</h3>

From the complete question,we have the following parameters:

  • Initial value, a = 3
  • Growth rate, r = 0.2

The exponential model is then calculated as:

f(x) = a * (1 + r)^x

Substitute known values

f(x) = 3 * (1 + 0.2)^x

Evaluate the sum

f(x) = 3 * (1.2)^x

Hence, the exponential model of the data is f(x) = 3 * (1.2)^x

Read more about exponential models at:

brainly.com/question/7296382

3 0
2 years ago
Andries get grandfather get offered to give him a gift of 50% of the amount of money he saved in one year. And Ray saved $120. H
sertanlavr [38]

Answer:

$60

Step-by-step explanation:

The savings of Andries is $120 and his grandfather offered that he would give 50% of the amount he saved.

50% is actually just half of a given amount.  So the short way to do this is just half the saving of Andries.

\dfrac{\$120}{2} = \$60

You can also think of it this way:

50\%=\dfrac{50}{100}

So we multiply that to the amount saved to solve for what is 50% of 120.

\$120\times\dfrac{50}{100} = \dfrac{\$6000}{100}=\$60.00

7 0
3 years ago
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