All categories

3 years ago

PLEASE HELP VERY URGENT

Mathematics

1 answer:

gavmur [86]3 years ago

6 0

Answer:

B) $(2, 1)$

Step-by-step explanation:

−x + 3 = 2x - 3

-2x - 2x

___________

−3x + 3 = −3

- 3 - 3

_________

−6 = −3x

__ ___

−3 −3

$2 = x$ [Plug this back into both equations above to get the y-coordinate of 1]; $1 = y$

I am joyous to assist you anytime.

You might be interested in

Can someone help me with this

FrozenT [24]

Answer:

1) B) 123 years

2) B) 51 years

Step-by-step explanation:

1)given information

2) 2011-1960=51

5 0

3 years ago

Read 2 more answers

Help, I dont know how to solve for X

labwork [276]

Answer:

i dont know

Step-by-step explanation:

sorry

4 0

3 years ago

Read 2 more answers

Find sin(a) <br> (Picture)

svet-max [94.6K]

Answer:

Sine of A should be 5/13

Step-by-step explanation:

Hope this Helped

3 0

2 years ago

Please help me- thank you

Kruka [31]

Answer:

a) The profit will be: $Profit=y^2-99500$

b) Since the profit is -9500 (negative) so, company will not gain any profit if they produce 300 bicycles.

Step-by-step explanation:

Cost of Bicycles= $y^2+10y+100,000$

Revenue generated = $2y^2+10y+500$

Find a polynomial that represent profits

The formula used for finding profit is:

$Profit = Total \ Revenue - Total \ Cost\\Profit= 2y^2+10y+500 - (y^2+10y+100,000)\\Profit= 2y^2+10y+500 - y^2-10y-100,000\\Profit=2y^2-y^2+10y-10y+500-100,000\\Profit=y^2-99500$

So, the profit will be: $Profit=y^2-99500$

If the company can produce bicycles y= 300

The profit will be:

$Profit=y^2-99500\\Profit=(300)^2-99500\\Profit=90000-99500\\Profit=-9500$

Since the profit is -9500 (negative) so, company will not gain any profit if they produce 300 bicycles.

5 0

2 years ago

A student answers a multiple-choice examination question that offers four possible answers. Suppose the probability that the stu

Nitella [24]

Answer: 0.9730

Step-by-step explanation:

Let A be the event of the answer being correct and B be the event of the knew the answer.

Given: $P(A)=0.9$

$P(A^c)=0.1$

$P(B|A^{C})=0.25$

If it is given that the answer is correct , then the probability that he guess the answer $P(B|A)= 1$

By Bayes theorem , we have

$P(A|B)=\dfrac{P(B|A)P(A)}{P(B|A)P(A)+P(C|A^c)P(A^c)}$

$=\dfrac{(1)(0.9)}{(1))(0.9)+(0.25)(0.1)}\\\\=0.972972972973\approx0.9730$

Hence, the student correctly answers a question, the probability that the student really knew the correct answer is 0.9730.

7 0

3 years ago