subject

Mathematics, 18.12.2020 01:00 val186

x²+y²-2x-4y-5=0 with centre O is cut by a line y=2x+5 at a point P and Q. Show that /QO/ is perpendicular to /PQ/

ansver

Answers: 1

Show answers

Another question on Mathematics

question

Mathematics, 21.06.2019 14:30

Acommunity group sells 2,000 tickets for its raffle. the grand prize is a car. neil and 9 of his friends buy 10 tickets each. when the winning ticket number is announced, it is found to belong to neil's group. given this information, what is the probability that the ticket belongs to neil? a.1/5 b.1/10 c.1/200 d.1/4

Answers: 2

question

Mathematics, 21.06.2019 16:30

The average human heart beats 1.15 \cdot 10^51.15⋅10 5 1, point, 15, dot, 10, start superscript, 5, end superscript times per day. there are 3.65 \cdot 10^23.65⋅10 2 3, point, 65, dot, 10, start superscript, 2, end superscript days in one year.how many times does the heart beat in one year? write your answer in scientific notation, and round to one decimal place.

Answers: 1

question

Mathematics, 21.06.2019 22:00

Luke wants to reduce the area of his rectangular garden by 1/4 the expression 14/w can be used to represent this change. what is another way to write this expression?

Answers: 1

question

Mathematics, 22.06.2019 01:50

What will be the end result for the taxpayer who filed his federal income tax return using the 1040ez form shown belowa he'll owe $173b he'll receive a refund of $173c he'll owe $3921d he'll receive a refund of $3921

Answers: 2

You know the right answer?

x²+y²-2x-4y-5=0 with centre O is cut by a line y=2x+5 at a point P and Q. Show that /QO/ is perpendi...

Questions

question

Social Studies, 11.12.2019 00:31

Jo is a courier delivering parcels throughout the metropolitan area. although she considers herself law abiding, she often breaks the speed limit whil...

question

Business, 11.12.2019 00:31

Kevin has been working at van der moor electronics repair for 12 years. over these 12 years, he has accumulated a number of different skills; however...

question

Physics, 11.12.2019 00:31

1. melinda wants to lose 30 pounds by summer, which is 20 weeks away. she currently weighs 150 pounds and is maintaining her body weight with an energ...

question

Social Studies, 11.12.2019 00:31

Lets imagine that your vacuum cleaner has stopped working. when it has stopped working in the past, a broken belt was the culprit. since past experien...

question

Mathematics, 11.12.2019 00:31

(12 points) a 13 foot long ladder leans against a wall and the foot of the ladder is sliding away from the wall at a constant rate of 3 feet/sec. mean...

question

Biology, 11.12.2019 00:31

In photosynthesis, the set of reactions that use nadph and atp formed in the light-capturing reactions to drive the fixation of co2, reduction of the...

question

Business, 11.12.2019 00:31

In behavioral economics, we assert that: people sometimes do things because they think it is the fair thing to do, a) but actions based on fai...

question

Computers and Technology, 11.12.2019 00:31

Universal containers are using salesforce for order management and has integrated with an in-house erp system for order fulfilment. there is an urgent...

question

Engineering, 11.12.2019 00:31

Indicate whether each of the following statements about wind energy is true or false. o in 2016, the state of texas had the highest wind power...

question

Social Studies, 11.12.2019 00:31

Alawyer, during jury selection, notices that one young man is formally dressed in a navy blue suit, white shirt, and dark tie. he concludes that the y...

question

Mathematics, 11.12.2019 00:31

2. reginald brown, an inspector from the department of weights and measures, weighs 15 eighteen-ounce cereal boxes of corn flakes. he finds their mean...

question

Business, 11.12.2019 00:31

Kinkead inc. forecasts that its free cash flow in the coming year, i. e., at t = 1, will be -$10 million, but its fcf at t = 2 will be $20 million. af...

question

Business, 11.12.2019 00:31

Perfect price discrimination describes a situation in which the monopolist a charges exactly two different prices to exactly two different groups of c...

question

Physics, 11.12.2019 00:31

In moving out of a dormitory at the end of the semester, a student does 2.17 x 104 j of work. in the process, his internal energy decreases by 5.03 x...

question

Business, 11.12.2019 00:31

Play-it-loud, llc, provides music-streaming services online subject to complex pricing schedules. to control specific offers for the services and thus...

question

Social Studies, 11.12.2019 00:31

Last fall, a state college introduced a one-week study skills course for new freshmen students. at the end of the academic year, the college compared...

question

Business, 11.12.2019 00:31

Felicia had just taken over her family's business after spending ten years in the marketing department of a large corporation. she met with a represen...

question

Physics, 11.12.2019 00:31

The moon has a diameter of 3.48 x 106 m and is a distance of 3.85 x 108 m from the earth. the sun has a diameter of 1.39 x 109 m and is 1.50 x 1011 m...

question

Biology, 11.12.2019 00:31

In a certain group of african people, 4% are born wthe frequency of a particular lethal recessive allele in a population is 0.02. given this informati...

question

Business, 11.12.2019 00:31

Suppose that the bank of oranges has excess reserves of $80,000,000 and checkable deposits of $500,000,000. if the bank has a reserve requirement of 1...

More questions: Mathematics Another questions