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AleksAgata [21]
4 years ago
5

Solve for x. 3x−1=9x+2 Enter your answer in the box. x =

Mathematics
1 answer:
Rom4ik [11]4 years ago
4 0
X=-1/9 I used a calculator
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Suppose an oligopoly consists of two firms. Firm A lowers price and Firm B responds by lowering its price by the same amount. If
VMariaS [17]

Answer:

The profits for firma A and B will decrease.

Step-by-step explanation:

Oligopoly by definition "is a market structure with a small number of firms, none of which can keep the others from having significant influence. The concentration ratio measures the market share of the largest firms".

If the costs remain the same for both companies and both firms decrease the prices then we will have a decrease of profits, we can see this on the figure attached.

We have an equilibrium price (let's assume X) and when we decrease a price and we have the same level of output the area below the curve would be lower and then we will have less profits for both companies.

4 0
3 years ago
PLEASE HELP 20 POINTS
disa [49]

Answer:

a)

a_n=3.a_{n-1}

a_1=6

b)

a_n=6(3)^{n-1}

Step-by-step explanation:

<u>Recursive And Iterative Rules For Sequences</u>

The recursive rules allow finding terms of a sequence as a function of the previous one. The iterative rules provide a formula to compute the n-th term without the need to compute the previous terms.

Our sequence goes like 6,18,54,162... It can be found that any term equals the previous one by 3

a) The recursive rule can be deducted from the above sentence

a_n=3.a_{n-1}

a_1=6

It's important to provide the first term where the rule will eventually stop

b) The iterative rule is found with the help of geometric sequences

a_n=a_1r^{n-1}

With a_1=6 and r=3

a_n=6(3)^{n-1}

5 0
3 years ago
Ellie wanted to know how much her mother spent on groceries weekly, so she saved each week's receipt for a whole year.
Aloiza [94]
Mean or c is the answer
7 0
3 years ago
Read 2 more answers
Cindy bought a bouquet of roses for $18.75 and a bouquet of daisies for $9.50. How much will she pay in sales tax if the rate is
Rina8888 [55]

Answer: \$1.75

Step-by-step explanation:

We know the rate for sales tax is:

6.2\%=\frac{6.2}{100}=0.062

This means Cindy has to pay for the bouquet of roses and the bouquet of daisies plus the 6.2\% of the value of each item.

So, we have to calculate the sales tax for both items:

Sales_Tax=\$ 18.75(0.062) + \$ 9.50(0.062)=\$ 1.1625 + \$ 0.589

Hence:

Sales_Tax=\$ 1.7515 \approx \$1.75

3 0
3 years ago
What is the slope - intercept equation for this line? ​
Makovka662 [10]

Answer:

y = -2x - 1

Step-by-step explanation:

the ? mark part or the first [] is the slope

the slope is rise / run

the "rise" is 2 down

the "run" is 1 left

so

-2 / 1 is the slope

the y intercept is -1 as the line touches the y axis at -1

so

y = -2x - 1

is your answer

3 0
2 years ago
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