2 years ago

WILL MARK BRAINLEST!!!!!!!

Mathematics

1 answer:

FrozenT [24]2 years ago

5 0

7 Days It will take a week aka 7 days

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The following are the ages (years) of 5 people in a room:

Novosadov [1.4K]

Answer:

Step-by-step explanation:

mean = (13+15+12+16+14+X)/6 = 19

70+X=19×6

X=114-70=44

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2 years ago

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anyanavicka [17]

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2 years ago

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Solve. −6.6x=−4 What is the solution to the equation? Enter your answer as a simplified fraction in the box. x =

Rina8888 [55]

Answer:

x = 20/33

Step-by-step explanation:

-6.6x = -4

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2 years ago

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GEOMETRY HELP PLEASE!

Mariana [72]

Answer:

(1, 2 )

Step-by-step explanation:

Under a reflection in the x- axis

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2 years ago

What is the discontinuity and zero of the function f(x) = 3x^2 + x - 4 / x-1

7nadin3 [17]

Ans: Option (1) <span>Discontinuity at (1, 7), zero at ( negative four thirds , 0)
</span>
Explanation:
Given function:
$f(x) = \frac{3x^2 + x - 4}{x-1}$

Now if we plug in the x = 1, we would have discontinuity as function goes to infinity.

Now for f(1):
$f(x) = \frac{3x^2 + x - 4}{x-1} \\ f(x) = \frac{3x^2 + 4x - 3x - 4}{x-1} \\ f(x) = \frac{x(3x+4)-1(3x+4)}{x-1} \\ f(x) = \frac{(x-1)(3x+4)}{(x-1)} \\ f(x) = 3x+4 \\ now ~ insert ~ x=1: \\ f(1) = 3(1) + 4 = 7 \\ It~means~discontinuity~at~(1,7).\\ Now~let~us~find~zeros.\\ put~ f(x) = 3x+4 ~ equals~ to ~zero. \\ =\ \textgreater \ ~3x+4 = 0 \\ =\ \textgreater \ ~ x = \frac{-4}{3} \\ Hence~zeros=( \frac{-4}{3}, 0)$

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3 years ago