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anastassius [24]
3 years ago
6

Describe when to use a series and when to use an equation.

Mathematics
1 answer:
anyanavicka [17]3 years ago
5 0

Answer:

An equation is used when we have paired sets of data to describe how the values in one pair change when we alter the values in the other set.

On the other hand, a series gives a general formula of determining the value of the nth observation when the values have been arranged in increasing order

Step-by-step explanation:

An equation such as; y = 3x+5 models the relation between the response variable y and the predictor variable x. It tells us how y changes when x is altered by a certain magnitude. The value 3 is described as the slope while 5 is the y-intercept.

On the other hand, a series such as;  score = 2 + 3n provides a general formula that can be used to determine the score of the nth individual in a sample or population.

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To which subset of real numbers does -18 not belong?
jarptica [38.1K]
The subsets of the real numbers are the irrational numbers, rational numbers, integers, whole numbers, and the natural numbers. First, figure out where does -18 belong? Well, -18 is a rational number because it can be expressed as a fraction of two integers. It's also an integer.

So, it doesn't belong in the sets of irrational numbers, whole numbers, and the natural numbers.
3 0
3 years ago
Solve for x.
Mamont248 [21]

Answer:

A. x < -3 or x > -3

Step-by-step explanation:

Let's start with the equation -4x + 60 < 72.

-4x + 60 < 72

First using the order of operations, subtract 60 from both sides.

-4x + 60 - 60 < 72 - 60

- 4x < 12

Next we want to divide -4 from both sides to isolate the variable.

-4x/-4 < 12/-4

x > -3

When you divide a negative number, always make sure the change the sign.

Solve the next equation, 14x + 11 < -31, the same way we solved the last.

14x + 11 < -31

Subtract 11 from both sides.

14x + 11 - 11 < -31 -11

14x < -42

Divide 14 from both sides.

14x/14 < -42/14

x < -3

The equations have different signs.

A. x < -3 or x > -3

4 0
2 years ago
A college professor's compensation package includes the total cost of a $350-per-month health insurance plan, the total cost of
vesna_86 [32]
350 monthly
45 monthly
Equals
395×12=4740+65000=69740


6 0
3 years ago
Read 2 more answers
1) Kyla paid a rental company a one-time fee of $100 plus $25 per day to rent a car. For
IrinaVladis [17]

Answer:

14 days

Step-by-step explanation:

Step 1: Simplify both sides of the equation.

25n+100=450

Step 2: Subtract 100 from both sides.

25n+100−100=450−100

25n=350

Step 3: Divide both sides by 25.

25n/25 =350/25

n=14

5 0
2 years ago
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Simplify the expression 2^5 3^4<br> A.1/36<br> B.9/11<br> C. 9/4<br> D. 20/14
never [62]

Answer:

the simplified expression is 32/ 81

3 0
3 years ago
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