3 years ago

Evaluate the limit. lim x-> ∞ 7-2n/5n

Mathematics

1 answer:

coldgirl [10]3 years ago

7 0

7-2n/5n=0
Cross multiply

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Solve and check , -0.7x+2.8=-3.14x-5.2

dlinn [17]

solving:

$( - 0.7 + 3.14)x = - 5.2 - 2.8$

$2.44x = - 8$

$x = \frac{ - 8}{2.44}$

now checking:

$- 0.7 \times \frac{ - 8}{2.44} + 2.8 = - 3.14 \times \frac{ - 8}{2.44} - 5.2$

$\frac{5.6}{2.44} + 2.8 = \frac{25.12}{2.44} - 5.2$

$\frac{12.432}{2.44} = \frac{12.432}{2.44}$

6 0

3 years ago

Barack walks 2 kilometers south and then x kilometers east. He ends 5 kilometers away from his starting position. Find x

ioda

So this is a Pythagorean problem where
A^2+b^2=c^2

a is 2
X is b
5 is c

Plug that into the equation and get

4+b^2=25

B^2=21
B=sqrt(21)=4.6kilometer

3 0

3 years ago

What rule changes the input numbers to output numbers?

Novay_Z [31]

The answer is B.
B is the answer because:
2(1)-8= -6
2(2)-8= -4
2(3)-8=-2
2(4)-8=0

3 0

3 years ago

at a charity basketball game, 450 tickets were sold to students at a school. The remaining x tickets were sold to the public. Th

VladimirAG [237]

Answer:

The number of tickets sold to the public was 375

Step-by-step explanation:

<u><em>The complete question is</em></u>

At a charity basketball game, 450 tickets were sold to students at a school. The remaining x tickets were sold to the public. The students paid $15 and public $25. When all the tickets were sold, $10,500 was collected. How many tickets were sold to the public?

Let

x ----> number of tickets sold to the students

y ----> number of tickets sold to the public

we know that

$x+y=450$ ----> equation A