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3 years ago

Find the percent 3 is what percent of 8?

Mathematics

2 answers:

MrRissso [65]3 years ago

8 0

Answer:

37.5 I think

Step-by-step explanation:

Maurinko [17]3 years ago

5 0

Answer:

37.5%

Step-by-step explanation:

I hope this helps I didn't need to do much for this you just need to plug it in

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What is the value of the given expression when a=3 and b=5?<br> 12a+12b

solniwko [45]

123+125=248

…please if I’m right do mark Brainly-est

5 0

2 years ago

Read 2 more answers

What is the solution to this equation?<br> 2x + 3 = x – 4

gavmur [86]

Answer:

Step-by-step explanation:

2x + 3 = x – 4

2x - x = -3 - 4

x = -7

5 0

2 years ago

Solve x(−2) 2 =4(−2)

Simora [160]

Hi there,

X x (-2) x 2 = 4 x (-2)
- x = - 2

Hence, X = 2

Hope this helps :)

7 0

3 years ago

zubka84 [21]

Answer:

See Explanation Below

Step-by-step explanation:

Given

$(sin x - cos x)^2 = sec^2x - tan^2x - 2sinx.cos x.$

Required

Prove

To start with; we open the bracket on the left hand side

$(sin x - cos x)^2 = (sin x - cos x)(sin x - cos x)$

$(sin x - cos x)^2 = (sin x )(sin x - cos x)- (cos x)(sin x - cos x)$

$(sin x - cos x)^2 = sin^2 x -sinx cos x - sin xcos x + cos^2 x$

$(sin x - cos x)^2 = sin^2 x -2sinx cos x + cos^2 x$

Reorder

$(sin x - cos x)^2 = sin^2 x + cos^2 x - 2sinx cos x$

From trigonometry;

$sin^2x + cos^2x = 1$

So;

$(sin x - cos x)^2 = sin^2 x + cos^2 x - 2sinx cos x$

becomes

$(sin x - cos x)^2 = 1 - 2sinx cos x$

Also from trigonometry;

$sec^2x - tan^2x = 1$

So,

$(sin x - cos x)^2 = 1 - 2sinx cos x$

becomes

$(sin x - cos x)^2 = sec^2x - tan^2x - 2sinx cos x$

Proved

3 0

3 years ago

Which sign makes this number sentence true?

I am Lyosha [343]

Answer:

C. =

Step-by-step explanation:

whenever you have | | It will always be positive so -6 turns to 6 and that makes it equal.

4 0

2 years ago