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3 years ago

How do i find the terms and coefficients of 8p+2q+7r

Mathematics

1 answer:

Ronch [10]3 years ago

3 0

Coefficients indicate how many of a variable there are

ex. in 4x, the coefficient is 4 and the variable is x

Terms include both the coefficients and variables or the constants( normal numbers ex. 5)

ex. 4x-3y+4, the terms are 4x, 3y, and 4. They are seperated by + and - signs

Coefficients are 8, 2, and 7

Terms are 8p, 2q, and 7r

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3 years ago

2 less then 3 times a number is 9

Masteriza [31]

$\huge\boxed{\text{As an expression:}\ 3x-2=9}$

$\huge\boxed{\text{Solved for x:}\ x=\frac{11}{3}}$

Let's start with " $3$ times a number". We will use $x$ to represent the number. $3x$

" $2$ less than" is next. $-2$

Finally, "is $9$ ". $=9$

Put it all together to get an expression. $\boxed{3x-2=9}$

Now, let's solve for the unknown number.

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Divide both sides of the equation by $3$ to isolate $x$ . $x=\boxed{\frac{11}{3}}$

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4 years ago

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The points A, B and C have position vectors OA = 6,2, OB = 3,4 and OC = 12, -2 respectively.

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Answer:(a) BA = (-3,2) (b) BC = (-9,6)

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