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Juli2301 [7.4K]
3 years ago
6

Is this an expression? n+6=20 Yes or No

Mathematics
2 answers:
Ainat [17]3 years ago
4 0
Yes it is an expression
Ghella [55]3 years ago
3 0

An expression consists of one or more numbers and variables along with one or more operations. However, it does not have an equals sign.

n + 6 = 20 would be an equation, not an expression.

An equation is a mathematical sentence that has an equal sign.

Therefore, n + 6 = 20 would <u>not</u> be an expression.

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a

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Vector a = 3i + mj, vector b = 2i - nj and vector c = ni + 8j. If a and b is perpendicular to each other and b and c are paralle
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May be you know it or not a two dimensional vector can be represented by a complex number.Why i have written this statement you will just know when you will see its solution

a = 3i + mj and  b = 2i - nj are perpendicular to each other ,so their dot product

will be zero.

i.e a.b = 0\\(3i + mj) .(2i - nj)=0\\6-mn=0\\mn=6j

vector b = 2i - nj and vector c = ni + 8j are parallel to each other.2i - nj = k (ni + 8j)2/n = -n/8n^{2} =-16n=4ij

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so m=6/4i

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8 0
3 years ago
3/4(5x+3/8) simplified
charle [14.2K]

Answer:

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You start by distributing the 3/4 to both the 5x and 3/8

When you multiply 3/4 by 5x you get 3.75x

When you multiply 3/4 by 3/8 you get 9/32

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8 0
3 years ago
Read 2 more answers
What is the value of x?
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Answer:

23

Step-by-step explanation:

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=> x - 4 = 19

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=> x = 23

5 0
3 years ago
Read 2 more answers
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