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11111nata11111 [884]

3 years ago

9

When exactly do you know the apply the deformation of contours formula and Cauchy - Goursat theorem.

1 answer:

IgorC [24]3 years ago

3 0

Mathematics often discovers theorems and later, another subject finds out "oh wow, this actually applies to this physics/biology/pharmacology/engineering problem.

For the most part, you wont know when to apply certain formulas until you need to solve an equation and you find out a correlation between a sequence/formula and the problem

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Find the intersection points of the linear and quadratic functions shown below f(x)=2x-5 g(x)= x2+2x-21

Mice21 [21]

Answer:

$(-4,-13)$ and $(4,3)$ the intersection points.

Step-by-step explanation:

Intersection point of two functions is a common point which satisfies both the functions.

Given functions are,

$f(x)=2x-5$

$g(x)=x^2+2x-21$

For a common point of these functions,

$f(x)=g(x)$

$2x-5=x^2+2x-21$

$-5=x^2-21$

$0=x^2-16$

$x^2=16$

$x=-4,4$

For $x=-4$ ,

$f(-4)=g(-4)=2(-4)-5$

$=-13$

For $x=4$ ,

$f(4)=g(4)=2(4)-5$

$=3$

Therefore, $(-4,-13)$ and $(4,3)$ the intersection points.

3 0

3 years ago

Will give brainliest!!

PtichkaEL [24]

The answer is C

The original spot for A is (2,-4)
Multiply it my the decimal form 3/4
.75*2=3/2
.75*-4=-3

Hope this helps!

6 0

3 years ago

Determine whether the underlined value is a parameter or a statistic. A study of 6076 adults in public rest rooms found that 23%

PtichkaEL [24]

Answer:

C

Step-by-step explaination:

A statistic is a data obtained by sampling a population

A sample is a part of a population studied for the purpose of testing of an hypothesis

6076 is a statistical value because it represents a part (sample) of the whole population

8 0

4 years ago

Greg drove 386 miles and used 20 gallons of gas.His car averaged how many miles per gallon?

frutty [35]

386 divided by 20 is 19.3 so Greg averaged 19.3 miles per gallon.

3 0

3 years ago

Read 2 more answers

60000x3+4 pls help fast

Ilya [14]

First, you have to multiply 60000 by 3 and you will get 180000. Then you add 4 and your final answer is 180004

5 0

3 years ago