Determine the followingquadratic equations have realroots1) 3x² - √2x-√3
1 answer:
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Answer:Perry and Lorna take the maximum time and Maria and Lorna take the minimum time when they work together.
Explanation: Since, according to the question- Perry takes time when he works alone = 3 hours
Similarly, Maria takes = 2 hours, While Lorna takes= 2 hours 30 minutes or 2.5 hours.
since, there are three people thus their are three possibility to choose any two of them.
1- when Perry and Maria work together then time taken by them is =
= 6/5= 1 hour 12 minutes.
2- when Maria and Lorna work together then time taken by them is = 10/9= 1 hours 1/9 minutes ≈ 1 hours 7 min
3- when Perry and Lorna work together then time taken= = 15/11= 1 hour 4/11 minutes≈ 1 hours 21 minutes
From the above explanation, it has been proved that when we talk about 2 members team then Perry and Lorna take the maximum time. While Maria and Lorna take the minimum time when they work together.
We will use ratio to determine how much can Fatima afford as a loan for her house.
Let gross income of Fatima = $ x
Amount earned by Fatima monthly= $ 5,375
36 % of 5,375=
$
Maximum amount that can be paid as a loan monthly = $ 1935
Total money that she can pay yearly for house loan if Fatima allowable money for paying loans is $ 1935=
$
Money saved as a down payment = $ 15,000
So, maximum amount loan Fatima can take on a house= 23220 + 15000=$38,220
She is not allowed for loan for house if the cost of house is any of the four options.
(B) 28 % of $ 5375=
$
Maximum amount that Fatima spend on her house monthly= $ 1505
Amount that fatima can spend yearly on her house = 1505× 12 =$18,060
For the four options given , none of the option matches Fatima's expectations.