3 years ago

Topic: binomial theorem..

Mathematics

1 answer:

Flauer [41]3 years ago

5 0

$( 2-x)^{-2}= \cfrac{1}{(2-x)^2}= \cfrac{1}{x^2-4x+4}$

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express the equation a)20 less than a number b)half a number is another number.There sum is 30 c)2/3 if weight of a boy is 32kg

Ivan

A) n-20
b.)30=1/2n+1/2
c.)2/3n=30
d.)5n=90
e.)M•3+4=49

3 0

3 years ago

1 Simplify the following expressions: 1) -4(a + 2) - a

aleksandrvk [35]

1.C) -4a-8-a = -5a-8
2. C)-2 - x - 4.3= -6.3 -x
3.A) -2x+6-x-4= -3x+2
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8 0

3 years ago

Read 2 more answers

What is the slope of this line?

jeyben [28]

9514 1404 393

Answer:

1/4

Step-by-step explanation:

The slope can be found using the slope formula with the two left-most marked points:

m = (y2 -y1)/(x2 -x1)

m = (6 -5)/(0 -(-4)) = 1/4

The slope of the line is 1/4.

6 0

3 years ago

The function f(x) = 2x + 510 represents the number of calories burned when exercising, where x is the number of hours spent exer

riadik2000 [5.3K]

Answer: 789 calories burned while combining diet with 2 hours of exercise

Step-by-step explanation:

we have that

$f(x)=2x+510$

$g(x)=200x-125$

we know that

$(f+g)(x)=f(x)+g(x)$

substitute

$(f+g)(x)=2x+510+200x-125$

$(f+g)(x)=202x+385$

Find $(f+g)(2)$

For x=2 hours

substitute

$(f+g)(2)=202(2)+385$

$(f+g)(2)=789\ calories$

therefore

The answer is

789 calories burned while combining diet with 2 hours of exercise

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3 years ago

What is the percentage change ? 54 decreased to 32?

Dimas [21]

Answer:

Step-by-step explanation:

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3 years ago