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Ksivusya [100]
2 years ago
12

What is the solution to the following system of linear equations?

Mathematics
2 answers:
Cloud [144]2 years ago
8 0
The answer is B

No solution
Arturiano [62]2 years ago
3 0

Answer:

i think it's B, no solutions

Step-by-step explanation:

because they are parallel to each other

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Five years ago, John's age was half of the age he will be in 8 years. How old is he now?
notka56 [123]
J-5=0.5J+8
J=0.5J+13
0.5J=13
J=26
8 0
2 years ago
Read 2 more answers
If C ( x ) = 11000 + 500 x − 3.6 x 2 + 0.004 x 3 is the cost function and p ( x ) = 1700 − 9 x is the demand function, find the
Bess [88]

Answer:

Step-by-step explanation:

The cost function = C(x)

The demand function = P(x)

C(x) = 11000 + 500x - 3.6x^2 + + 0.004x^3

P(x) = 1700 - 9x

Differentiate C(x) with respect to x

C'(x) = 500 - 7.2x + 0.012x^2

C'(x) is the marginal cost

Revenue = x. P(x)

R(x) = x( 1700 -9x)

= 1700x - 9x^2

Differentiate R(x) with respect to x

R'(x) = 1700 - 18x

R'(x) is the marginal revenue

Profit is maximized when R'(x) = C'(x)

1700 - 18x = 500 - 7.2x + 0.012x^2

Collect like terms

0 = 500 - 1700 - 7.2x +18x +0.012x^2

0 = -1200 + 10.8x +0.012x^2

0 = 0.012x^2 + 10.8x - 1200

Using x=( -b +_ √b^2 - 4ac) /2a

a = 0.012 , b= 10.8 , c= -1200

x= (-10.8 +_ √(10.8^2) - 4*0.012*(-1200)) /2*0.012

= ( -10.8 +_√116.64 + 57.6) / 0.024

= (-10.8 +_ √174.24) / 0.024

= (-10.8 +_13.2) / 0.024

= (-10.8+13.2)/0.024 or (-10.8 - 13.2)/0.024

= 2.4/0.024 or -24/0.024

x= 100 or -1000

Since our profit cannot be negative, the profit = $100

5 0
3 years ago
Please help me with this please and thank you
rjkz [21]

Answer:

Alright so the answer is B but I'll explain why because im nice ig.

Step-by-step explanation:

So lets do some calcumalations.

We'll use 1 as n and should get an output of 3 to check these formulas. Since 1 is the first term and 3 is the first term value makes sense alright.

So 9^1-1 is 0 and any number to the 0 power is 1 so that wont work.

3(4)^1-1 = 3(1); that's the answer

4^1-1 = 1, + 3 = 4 so that wont work either

I hope this helps ya have a great afternoon

8 0
2 years ago
Chen has 4 pizzas to share with his friends. If each person eats 2/3 of a pizza, how many people can share the pizzas?
Mariulka [41]

Answer:

6

Step-by-step explanation:

If Chen has 4 pizzas and you need to know in terms of thirds the logical thing to do would be to set 4 to a fraction over 3 (12/3). Since each friend will eat 2/3 of a pizza you divide 12 by 2 (taken from the numerators). This will get you to 6.

6 0
3 years ago
I need help to complete this
vovikov84 [41]

Answer:

137 × 5 = 685

dont know answer for the second one...

4 0
3 years ago
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