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allsm [11]
3 years ago
13

I need help with this ​

Mathematics
2 answers:
8090 [49]3 years ago
4 0

Answer:

Step-by-step explanation:

9/I0 x 2/2 =9/I0

Or 0.9 in decimals

icang [17]3 years ago
4 0

Answer:

The answer is IN the question... (9/10)

Step-by-step explanation:

Ok well you multiply the numberator and denominator by 2 which makes 18/20 but OH THAT CAN BE SIMPLIFIED SO DIE FRACTION! so then you divide both sides by 2 and you get the original 9/10

plz brainliest :)

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Suppose that you have two different algorithms for solving a problem of size n. The first algorithm uses exactly n(log n) operat
Mumz [18]

Answer:

Algorithm 1 uses:

n*log(n) operations.

While algorithm 2 uses:

n^(3/2) operations.

We want to see, as n grows, which algorithm uses fewer operations.

So we would want to first solve:

n*log(n) = n^(3/2)

This will give us the exact value of n such that the number of operations is the same in both algorithms.

dividing both sides by n we get:

log(n) = n^(3/2)/n = n^(3/2 - 1) = n^(1/2)

where we can use:

log(n) = ln(n)/ln(10)

ln(n) = ln(10)*n^(1/2)

This equation actually has no solutions.

This happens because the right side is always larger than the left side.

Then, the same thing happens for our two initial equations:

n^(3/2) is always larger than n*log(n), as you can see in the graph below, where n^(3/2)  is represented with the orange graph:

So we can conclude that the fist algorithm uses less operations as n grows.

5 0
2 years ago
2.Mrs. Fernandez and Mrs.Bosiljevac invaded the biology lab! They find some bacterial cultures and decide to experiment. Mrs. Fe
Phantasy [73]

Answer:

4 hours 2560 bacteria

Step-by-step explanation:

If you do the multiplication side by side it equaizes itslef at 4 hours

6 0
3 years ago
Why is the product of a rational number and an irrational number Irrational?
Llana [10]

Answer:

Because the product is always non-termination,non-repeating decimal.

Step-by-step explanation:

If we have a is irrational;  b is rational such that b \neq 0 , then a \cdot b is irrational.

A way to represent this is:

a\in\mathbb{R}\setminus\mathbb{Q}, b\in\mathbb{Q},ab\in\mathbb{Q}\implies a\in\mathbb{Q}\implies\text{Contradiction}\therefore ab\not\in\mathbb{Q}.

Note that we have a contradiction, because a is not a rational number, as I stated in the beginning. Therefore, ab is irrational.

5 0
2 years ago
Read 2 more answers
PLEASE HELP
poizon [28]
Part A
The given line passes through (-2,2) and it is parallel to the line

4x - 3y - 7 = 0


We need to determine the slope of this line by writing it in slope -intercept form.


3y = 4x - 7


y =  \frac{4}{3} x -  \frac{7}{3}
The slope of this line is
\frac{4}{3}


The line parallel to this line also has slope

m =  \frac{4}{3}


The equation is

y =  \frac{4}{3} x + c


We substitute (-2,2)

2 =  \frac{4}{3}( - 2)  + c


c = 2 + \frac{8}{3}  =  \frac{14}{3}


The required equation is


y =  \frac{4}{3} x + \frac{14}{3}


PART B


The given line is


4x - 3y - 7 = 0




The slope of this line is
\frac{4}{3}


The slope of the line perpendicular to it is

m = -  \frac{3}{4}

The equation of the line is

y =  -  \frac{ 3}{4} x + c




We substitute the point, (-2,2)



2=  -  \frac{ 3}{4} ( - 2) + c


2=  \frac{ 3}{2}  + c



c = 2 -  \frac{3}{2}  =  \frac{1}{2}


The equation of the perpendicular line is


y=  -  \frac{ 3}{4} x +  \frac{1}{2}
6 0
3 years ago
What is the measure of x?<br> x= ✓[?]
Sedbober [7]

Answer:

x=24

Step-by-step explanation:

7 0
3 years ago
Read 2 more answers
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