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kenny6666 [7]
3 years ago
9

How many real solutions does B squared minus 4ac is less than 0 ​

Mathematics
1 answer:
grin007 [14]3 years ago
3 0

Answer:

it should be none it was on my test

Step-by-step explanation:

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Ted runs a coffee-distributing company with monthly fixed costs of $3600. He also spends $1.50 for each 16 ounce bag of coffee t
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Answer:

10

Step-by-step explanation:

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Together, Aanya and Krish can wash and wax Aanya's car in 50 minutes. Alone it takes Krish ten minutes more than Aanya. To the n
Leto [7]

Answer:

95 ; 105

Step-by-step explanation:

Let :

Aanya's time = x

Krish's time = x + 10

Together = 50

Hence

Aanya's rate = 1/x

Krish's rate = 1/(x + 10)

Together rate = 1/50

Hence,

1/x + 1/(x + 10) = 1 / 50

((x + 10) + x) / x(x + 10) = 1/ 50

(2x + 10)/ x² + 10x = 1/50

50(2x + 10) = x² + 10x

100x + 500 = x² + 10x

x² + 10x - 100x - 500 = 0

x² - 90x - 500 = 0

Using the quadratic equation solver :

x = 95.24 ; x = - 5.24

Time can't be negative

Hence, x = 95 (nearest minute)

It takes Aanya 95 minutes Alone a ND

Krishna (95 + 10) = 105 minutes alone

6 0
3 years ago
Which of the following is a solution for the inequality 2x < 9?
posledela

Answer:

Step-by-step explanation:

X = 4

is the answer becuase if you multiply 2 by 4.5 you will get 9 and 9 is the same thing

if you multiply 2 by 5.5 = 11 so thats greater then 9 we want nine to be greater then the number 2x

so 2 x 4 is 8  and 8 < 9 so thats your answer

7 0
3 years ago
Calculate:<br><br> f(4) - (g(2) + f(3)) =<br><br> h(1) + f(1) x g(3) =
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Answer:

1)  f-2g

2) h+3fg

Step-by-step explanation:

1)

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2)

  • h(1) + f(1) x g(3)
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2 years ago
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