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3 years ago

PLEASE HELP ASAP!!! CORRECT ANSWERS ONLY PLEASE!!!

Mathematics

1 answer:

topjm [15]3 years ago

5 0

Answer: B. neither

Step-by-step explanation:

A function is even when f(x) = f(-x).

A function is odd when f(-x) = -f(x).

f(x) = 2x³ - x²

f(-x) = 2(-x)³ - (-x)²

= -2x³ - x²

f(x) = 2x³ - x² ≠ f(-x) = -2x³ - x² so it is NOT EVEN

-f(x) = -(2x³ - x²)

= -2x³ + x²

f(-x) = -2x³ - x² ≠ -f(x)= -2x³ + x² so it is NOT ODD

Therefore, it is NEITHER even nor odd.

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In order to conduct an experiment five subjects are randomly selected from a group of 48 subjects how many different groups of f

exis [7]

Answer:

1,712,304 ways

Step-by-step explanation:

This problem bothers on combination

Since we are to select 5 subjects from a pool of 48 subjects, the number of ways this can be done is expressed as;

48C5 = 48!/(48-5)!5!

48C5 = 48!/43!5!

48C5 = 48×47×46×45×44×43!/43!5!

48C5 = 48×47×46×45×44/5!

48C5 = 205,476,480/120

48C5 = 1,712,304

Hence this can be done in 1,712,304ways

3 0

3 years ago

What are three equivalent ratios the fourth third

Ghella [55]

Three equivalent ratios are: 8/6, 12/9, 16/12

6 0

3 years ago

Anna is in a cave 42 feet below the cave entrance. She descends 12 feet. then ascends 18 feet. Find her new position relative to

alexira [117]

Answer:

-36 or 36 ft below the entrance

Step-by-step explanation:

Her starting point is negative since it is below the entrance

-42

Descends 12 feet so subtract 12

-42 -12 = -54

Ascends 18 ft so go up 18 which means add 18

-54 +18 =-36

5 0

3 years ago

The theater has already sold 7p tickets. Write and solve an inequality that represents how many more tickets the theater needs t

snow_lady [41]

The theater must sell more than 35 tickets to earn at least $1000.

Step-by-step explanation:

Cost of one student ticket = $9.50

Tickets already sold = 70

Cost of 70 tickets = 70*9.50 = $665

Worth to be made by selling tickets = $1000

Let,

x be the number of tickets to be sold.

According to statement;

The theater wants to earn $1000 minimum, therefore,

Cost of one ticket*Number of tickets to be sold + cost of 70 tickets > Total worth to be earned

$9.50x+665> 1000\\9.50x> 1000-665\\9.50x\> 335$

Dividing both sides by 9.50

$\frac{9.50x}{9.50}>\frac{335}{9.50}\\\\x>35.26$

Rounding off to nearest whole number

x>35

The theater must sell more than 35 tickets to earn at least $1000.

Keywords: variable, inequality

Learn more about variables at:

#LearnwithBrainly

6 0

3 years ago

How much is 3x3+3+3x3

Black_prince [1.1K]

Answer:

General Formulas and Concepts:

Pre-Algebra

Order of Operations: BPEMDAS

Brackets
Parenthesis
Exponents
Multiplication
Division
Addition
Subtraction

Left to Right

Step-by-step explanation:

Step 1: Define expression

3 × 3 + 3 + 3 × 3

Step 2: Evaluate

Multiply: 9 + 3 + 3 × 3
Multiply: 9 + 3 + 9
Add: 12 + 9
Add: 21

6 0

3 years ago

Read 2 more answers