3 years ago

How many steps are there in the problem-solving process

Mathematics

1 answer:

Alex73 [517]3 years ago

8 0

Answer:

Step-by-step explanation: There are four steps

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Simplify cos^2 A/1+sin A

Stels [109]

Answer:

$\displaystyle \frac{\cos^2(A)}{1+\sin(A)}=1-\sin(A)$

Step-by-step explanation:

We want to simplify:

$\displaystyle \frac{\cos^2(A)}{1+\sin(A)}$

Recall the Pythagorean Identity:

$\sin^2(A)+\cos^2(A)=1$

So:

$\cos^2(A)=1-\sin^2(A)$

Substitute:

$\displaystyle =\frac{1-\sin^2(A)}{1+\sin(A)}$

Factor. We can use the difference of two squares pattern:

$\displaystyle =\frac{\left(1-\sin(A))(1+\sin(A))}{1+\sin(A)}$

Cancel. Hence:

$\displaystyle \frac{\cos^2(A)}{1+\sin(A)}=1-\sin(A)$

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2 years ago

What is the value of x? 6.75 + 3/8 x = 13 1/4

wolverine [178]

6.75 + 3x/8 = 13.25
3x/8 =13.25 - 6.75
3x/8 = 6.5
3X = 6.5 x 8
3x = 52
x= 52/3

So your answer would be 52/3 :)

5 0

3 years ago

Read 2 more answers

Would You RATHER...Make $50,000 per year(everyone around you makes $25,000 per year)ORMake $100,000 per year24everyone around yo

faltersainse [42]

Answer:

I would rather make $50,000 per year(everyone around you makes $25,000 per year)

Step-by-step explanation:

I would because otherwise, everyone would be making $100 more than me I would rather make $25 more than them

6 0

3 years ago

25POINTS PLEASE ANSWER NEED HELP BAD AND IM ON AN ALT BC I RAN OUT OF POINTS

Luda [366]

Answer:

its only 13 points

Step-by-step explanation:

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3 years ago

Que número presenta el que indica la fecha

never [62]

El primero! The answer is a

8 0

2 years ago