All of the following expressions represent the sum of n and itself, except _____A.) n + n
B.) 2n
C.) n²

Answers

Answer 1

Answer:

All of the following expressions represent the sum of n and itself, except n² so option (C) will be correct.

What is an expression?

An expression is a combination of some mathematical symbol such that arithmetic operator and variable such that all are constrained and create an equation.

In other meaning, expression is very useful to determine the end or root value of constraint.

For example 3x +5y

The constraint of expression is represented as = or <, >.

The expression n + n is the sum of n and n(itself).

The expression 2n = n + n is the sum of n and n(itself).

The expression n² = n × n is the multiplication of two n, not a sum so it will not sum of n and itself.

Hence "All of the following expressions represent the sum of n and itself, except n²".

To learn more about expression,

brainly.com/question/14083225

#SPJ2

Answer 2

Answer: c. is the correct answer

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Write the fraction as a mixed number in the simplest form.
62/7

Answers

$(62)/(7)=(56+6)/(7)=(56)/(7)+(6)/(7)=8+(6)/(7)=8(6)/(7)$

2/5+3/4 please help me

Answers

Answer:

23/20

Step-by-step explanation:

Answer:

1.15 correct me If I am wrong

Step-by-step explanation:

I don’t understand what to do

Answers

To use a unit circle, you must know where the coordinates are.

For this problem it is asking you where the sin(11pi/6) is.

You look at the unit circle for 11pi/6.

From here you look at the coordinates.

The x value is the cosine and the y value is the sine.

This means that the sin of 11pi/6 is -1/2.

To find the csc or the cosecant you just find 1/sin.

To find the the sec or secant you find 1/cos.

To find the tangent or tan you find the sin/cos.

And to find the cot or cotangent you find 1/tan.

A company is planning to make a new kind of radio. The cost to produce x radios is C(x) = 80,000 + 10x. Meanwhile, the revenue earned by selling x radios is given by R(x) = 18x. If R < C, the company loses money. At what level of production does this happen?

Answers

$C(x) = 80,000 + 10x\ \ \ \wedge\ \ \ R(x) = 18x\n\nR < C\ \ \ \Leftrightarrow\ \ \ \ 18x<80,000+10x\n \n8x<80,000\ /:8\n \nx<10,000\n \nAns.\ The\ company\ loses\ money\ at\ level\ of\ production\ 10,000\ radios.$

Two batches of soup will serve 8 people. Lonnie needs to make enough soup for 120 people. If the recipe calls for 2 onions for one batch, how many onions will Lonnie need?

Answers

"2 batches of soup will serve    8 people."
Then x batches of soup will serve 120 people
120.2 = 8.x
x = 30 batches of soup will serve 120 people.

"2 onions for    1 batch"
Then y onions for 30 batches
30.2 = 1.y
y = 60 onions

2 batches - 8 people
2 onions - 1 batch
x onions- 120 people
From proportion
y batches-120 people
2batches - 8 people
after cross multiplication
120/8=15*2=30 batches
x onions - 30 batches
2 onions- 1 batches
30 batches *2=60 onions

Solve for x: 3 − (2x − 5) < −4(x + 2)