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3 years ago

What is the rate of change of the function y = 6x-1y

Mathematics

1 answer:

Temka [501]3 years ago

3 0

Answer:

Step-by-step explanation:

dy/dx = 6dx/dx -1dy/dx

dy/dx= 6 - 1dy/dx

2dy/dx= 6

dy/dx = 3

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X squared minus 3x minus 4 equals 0

QveST [7]

Answer: What am I solving for?

Step-by-step explanation: ?

7 0

3 years ago

-8y2 - 10y = 0 solve polynomial

iragen [17]

Answer: y = 0, 5/4

hope this helps

4 0

3 years ago

if a sample size 40 is drawn from the population that has mean 276 and a variance of 81, what is the probability that the mean o

lapo4ka [179]

Answer:

The probability is 0.017429

Step-by-step explanation:

We start by calculating the z-score

Mathematically;

z-score = (x-mean)/SD/√n

In this case;

x = 273

mean = 276

SD = √(variance) = √81 = 9

n = 40

Substituting these values into the z-score formula, we have that;

z = (273-276)/9/√40

z = -2.11

So we proceed to get the probability

the probability in this case is;

P( z < -2.11)

We can use the normal distribution table for this

Our answer will be

P( z < -2.11) = 0.017429

4 0

3 years ago

What are the solutions to the system of equations <br> {-x+y=4<br> {y+12=x^2+x

Gnoma [55]

Answer:

Step-by-step explanation:

$y=4+x$ ............................................ (1)

$y=x^2+x-12$ ............................................ (2)

now equate both (1) and (2)

$4+x=x^2+x-12$

$=>x^2=16$

$x=-4,4$

now substitute the values of x ,

when $x=-4$ , y becomes 0

when $x=4$ , y becomes 8

so, solution set:

$(-4,0)$ and $(4,8)$

8 0

3 years ago

Find the distance between 2-3i and 9+21i<br> =[?]

aev [14]

Answer:

y5ntyne5yn64n64n

Step-by-step explanation:

5 0

2 years ago