3 years ago

Among the licensed drivers in the same age group, what is the probability that

Mathematics

1 answer:

dexar [7]3 years ago

8 0

Answer:

the answer is a

Step-by-step explanation:

17246/3800

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What is the discriminant of the quadratic equation 0 = –x2 + 4x – 2?

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+x2-4x+2=+x2-4x+2
___________________
x2-4x+2=0

(-4)^2-4(1)(2)

16-8

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7. If A = 2x + 3 and B = x^2 - 5x + 1, what is the value of A-5B?

taurus [48]

Answer:

$\huge \boxed{ \boxed{ \tt - 5 {x}^{2} + 27 x- 2}}$

Step-by-step explanation:

<h3>to understand this</h3><h3>you need to know about:</h3>

algebra
PEMDAS

<h3>given:</h3>

A=2x+3
B=x²-5x+1

A-5B

<h3>let's solve:</h3>

$step - 1 : define$

A-5B=2x+3-5(x²-5x+1)

$step - 2 : solve$

distribute -5 to the parentheses:2x+3-5x²+25x-5
rewrite:-5x²+2x+25x-5+3
combine like terms:-5x²+27x-2

and

we are done

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3 years ago

Vishal's phone plan costs $45.37 per month plus $0.60 per text message. How many text messages can he send and keep his monthly

Liono4ka [1.6K]

Answer:

56 messages.

Step-by-step explanation:

So, from the $79 you subtract $45.37, which results in $33.63. That is the amount he has left for the text messages. So, you divide $33.63 by 0.60c, which results in 56.05. However, you cannot have a .05 of a text message, so it rounds to 56 messages.

Hope I helped!!

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