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Ilya [14]
3 years ago
8

Graph the polar equation r = 4 cos 3θ.

Mathematics
2 answers:
Nitella [24]3 years ago
8 0
First is Polar and second is Rectangle

Yuki888 [10]3 years ago
7 0
Hello,
see picture.
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A person had $142.64 for his checking account balance yesterday and now has a balance of -$28.97. Which of the following represe
anzhelika [568]
142.64-28.97=113.67 or your option A
7 0
4 years ago
Read 2 more answers
A number subtracted from 16 is -3
MrMuchimi

Answer:

19

Step-by-step explanation:

-3+19 would=16

6 0
3 years ago
Stella deposited $6,000 at 5% simple interest. How long will it take her before she has $8,400 in her account?
4vir4ik [10]
Well i did 6,000 and 5% and came out to 300 so maybe 300 a month or a week I’m not really sure
6 0
3 years ago
Suppose the demand for petrol by an average motorist is given by the following demand equation: Q = 2000P^−k, where Q is litres
GalinKa [24]
Given

The demand equation is given

Q=2000P^{-k}

here Q is liters purchased per year, P is the price in dollars per unit and k is a parameter =0.75.

Explanation

a. To determine the quantity of petrol demanded by the average motorist if the price is 1 dollar per liter.

\begin{gathered} Q=2000(1)^{-0.75} \\ Q=2000\text{ /year.} \end{gathered}

b. To determine the change in quantity demanded.

It is given that the price of petrol increases from $1.0to $2.0 per litre on a sustained basis.

Then the equation becomes

\begin{gathered} Q_1=2000(1)^{-0.75} \\ Q_2=2000(2)^{-0.75} \end{gathered}

The change in quantity demanded is

\Delta Q=\frac{Q_2-Q_1}{Q_1}

Substitute the values.

\begin{gathered} \Delta Q=\frac{1189.2-2000}{2000} \\ \Delta Q=-\frac{810.8}{2000} \\ \Delta Q=-0.4054 \end{gathered}Answer

a.The quantity of petrol demanded by the average motorist if the price is 1 dollar per liter is 2000 litres per year.

b. The change in quantity demanded is the fall in demand due to negative sign which is 0.4054.

4 0
2 years ago
Joãozinho de Gitana calculadora o número de 12750 Qual é o número que tempo para subtrair para obter como resultado o número 122
Aliun [14]

Responder:

500

Explicação passo a passo:

O número a subtrair de 12.750 em outro para obter 12.250

Deixe o número = x

Isso é ; se x for subtraído de 12750; nós obtemos 12250

12750 - x = 12.250

Subtraia 12750 de ambos os lados

12750 - x - 12750 = 12.250 - 12750

-x = - 500

x = 500

8 0
3 years ago
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