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Alex17521 [72]
3 years ago
11

An experiment determines that the polar equation r = 5 + 6cos(θ), where r is in meters, represents the greatest distance between

two individuals that still allows them to hear each other speak. Which curve represents this scenario?
Mathematics
2 answers:
Zielflug [23.3K]3 years ago
8 0

Answer:

C

Step-by-step explanation:

Did it on edge 2020

bonufazy [111]3 years ago
5 0

Answer:

The answer is C.

got it right on Edge 2020

Step-by-step explanation:

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Notes: Each calculator is $5 dollars and the shipping cost $15. Write a linear relationship between that shows the cost and the
Veronika [31]

Answer:

y = 5x+15

Step-by-step explanation:

The cost per calculator is 5

The shipping cost is 15

Let y = total cost

Let x = number of calculators

y = 5x+15


3 0
4 years ago
The binomial expansion 1.728x^3+ 3,456x² + 2,304x + 512 can be expressed as (ax + b)^3. What is the value of b?
viva [34]

Answer:

C: 8

Step-by-step explanation:

8^3=512

if it was -8^3 it would equal -512

7 0
3 years ago
Read 2 more answers
Which is equivalent to x3y–7? x cubed y Superscript 7 StartFraction x cubed Over y Superscript 7 EndFraction StartFraction x cub
butalik [34]

Answer:

x^3y^{-7} =  \frac{x^3}{y^7}

Step-by-step explanation:

Given

x^3y^{-7}

Required

The equivalent

We have:

x^3y^{-7}

Apply the following rule of exponents

a^{-b} = \frac{1}{a^b}

So, we have:

x^3y^{-7} = x^3 * \frac{1}{y^7}

x^3y^{-7} =  \frac{x^3}{y^7}

4 0
3 years ago
Here are the fuel efficiencies (in mpg) of 15 new cars.
alexira [117]

Answer:

60 \%

Step-by-step explanation:

Among the 15 cars ,only 9 cars with a fuel efficiency less than 32 mpg :

27,22,18,23 , 30 , 19,16,28,21

\text{the percentage} =\frac{9}{15} \times 100=60 \%

4 0
2 years ago
What is the value of x in this equation?<br><br> 4x + 2 – (3 + 3x) = 7
DENIUS [597]

Answer:

(x+1) (4x−7)

i hope this helps!

8 0
3 years ago
Read 2 more answers
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