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marta [7]
3 years ago
6

How do i answer this question 5*(8-4)/4-2

Mathematics
1 answer:
NemiM [27]3 years ago
6 0

the answer is 3

but a way to work these problems out is to use PEMDAS

p-parentheses

e-exponent

m-multiplication

d-division

a-addition

s-subtraction

they  have to be donr in that order or the answer will come out different  

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Percents means "out of ______" <br><br> 50 <br><br> Questions <br><br> 1000 <br><br> 100
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0.65+0.04+0.35 Simplify the expression and identify which property is used in each step
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3 years ago
You are given a vector in the xy plane that has a magnitude of 87. 0 units and a y component of -66. 0 units. Determine the dire
Natalka [10]

You are given a vector in the XY plane that has a magnitude of 87. 0 units and a y component of -66. 0 units. The direction of the vector V is;

<h3>How to know the direction of a vector?</h3>

We know that the formula for 2 vectors like this in the x and y directions is; A = xi^ + yj^

Where A is the magnitude of the resultant

x is the value of the x-component

y is the value of the y-component

We are given;

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Thus,

A = \sqrt(x^2 + y^2)\\\\87 = \sqrt(x^2+ (-66)^2)\\\\87^2= x^2+ 4356\\\\7569 = x^2+ 4356\\\\x= \sqrt(7569 - 4356)\\\\x = 56.68 units

From A above, let us take the positive value of the x-component and as such our original vector will be;

A = 56.68i^ - 66j^

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Since it points entirely to the negative x-axis, then the angle is;

180 - (-27.15) = 207.15°

Learn more about vectors;

brainly.com/question/1550219

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