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3 years ago

789×182÷6278×435=? What is the answer?

Mathematics

2 answers:

Rufina [12.5K]3 years ago

8 0

Answer:

9949.84549219

telo118 [61]3 years ago

5 0

Answer : 9949.84549219 Is the answer a calculator would give you and more then likely it doesn't want that huge number for whatever problem it may be asking so it can be rounded to 9,949.84 Units and or as just a number alone.

Step-by-step explanation : Trust me. :3 Please mark me brainliest if I helped at all!

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Solve for x: x²−9=5(x−3).

IceJOKER [234]

Answer:

Step-by-step explanation:

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3 years ago

Test the series for convergence or divergence (using ratio test)

Triss [41]

Answer:

$\lim_{n \to \infty} U_n =0$

Given series is convergence by using Leibnitz's rule

Step-by-step explanation:

Step(i):-

Given series is an alternating series

∑ $(-1)^{n} \frac{n^{2} }{n^{3}+3 }$

Let $U_{n} = (-1)^{n} \frac{n^{2} }{n^{3}+3 }$

By using Leibnitz's rule

$U_{n} - U_{n-1} = \frac{n^{2} }{n^{3} +3} - \frac{(n-1)^{2} }{(n-1)^{3}+3 }$

$U_{n} - U_{n-1} = \frac{n^{2}(n-1)^{3} +3)-(n-1)^{2} (n^{3} +3) }{(n^{3} +3)(n-1)^{3} +3)}$

Uₙ-Uₙ₋₁ <0

Step(ii):-

$\lim_{n \to \infty} U_n = \lim_{n \to \infty}\frac{n^{2} }{n^{3}+3 }$

$= \lim_{n \to \infty}\frac{n^{2} }{n^{3}(1+\frac{3}{n^{3} } ) }$

= $= \lim_{n \to \infty}\frac{1 }{n(1+\frac{3}{n^{3} } ) }$

$=\frac{1}{infinite }$

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∴ Given series is converges

3 0

3 years ago

The question is attached in the picture

Deffense [45]

Answer:

Step-by-step explanation:

25*75

175

125

1875

7 0

2 years ago

I NEED HELP WITH THIS PLEASE HELP ME

vekshin1

Answer:

156 minutes

Step-by-step explanation:

So we need to create an equation to represent how Frank's phone company bills him

I will denote "y" as the total for his bill
I will denote "x" as the number of minutes Frank uses

So the phone company charges an $8 monthly fee, so this value remains constant and will be our "y-intercept"

They then charge $0.06 for every minute he talks, this will be our "slope"

Combining everything into an equation, we have: y = 0.06x + 8

Now since we were given Franks phone bill total and want to figure out how many minutes he used, we just need to solve the equation for x and plug in our known y value

y = 0.06x + 8 → y - 8 = 0.06x → $x=\frac{y-8}{0.06}$
Then plugging in our y value we get $x=\frac{17.36-8}{0.06}=\frac{9.36}{0.06}= 156$

Frank used up a total of 156 minutes

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3 years ago

NEED HELP ASAP!!

inysia [295]

Answer:

I think it is 23 I am not sure

Step-by-step explanation:

8 0

3 years ago

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