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3 years ago

1 If x= - 2, the value of the expression 5x² – 3x + = is (Type an integer or a decimal.)

Mathematics

1 answer:

Naddik [55]3 years ago

3 0

Step-by-step explanation:

The answer is 26 or 24 because I didn't understand what you have written after +

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The answer is 1/8 or 12.5%

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3 years ago

Roberta has collected a set of data and calculated the mean to be 34. The set contains 75 numbers, but Roberta gets an email tel

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30.8 add it all up and divided how ever many number there are

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3 years ago

Read 2 more answers

Select each equation which is equivalent to 60% of 25.

Maksim231197 [3]

The equation which is equivalent to 60% of 25 is x = 0.6 * 25

An equation is used to show the relationship between variables, numbers.

Let x represent the value of 60% of 25. Hence:

x = 60% of 25

x = 0.6 * 25

Hence the equation which is equivalent to 60% of 25 is x = 0.6 * 25

x/25 = 60/100

6/10 = x/25

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2 years ago

A slot machine has 3 slots. For each slot, the possible outcomes are an apple, orange, lemon, banana, melon, and a joker. When t

PolarNik [594]

Answer:

1. 15

2. 75

Step-by-step explanation:

The possible outcomes are an apple (A), orange (O), lemon (L), banana (B), melon (M), and a joker (J), 6 outcomes in total.

1. You could win with 2 jokers in

$5+5+5=15$ different ways.

You can list all these ways:

JJA JAJ AJJ

JJO JOJ OJJ

JJL JLJ LJJ

JJB JBJ BJJ

JJM JMJ MJJ

2. You could win with 1 joker in

$5\cdot 5+5\cdot 5+5\cdot 5=75$ different ways

You can list all these ways:

JAA JAO JAL JAB JAM

JOA JOO JOL JOB JOM

JLA JLO JLL JLB JLM

JBA JBO JBL JBB JBM

JMA JMO JML JMB JMM

AJA AJO AJL AJB AJM

OJA OJO OJL OJB OJM

LJA LJO LJL LJB LJM

BJA BJO BJL BJB BJM

MJA MJO MJL MJB MJM

AAJ AOJ ALJ ABJ AMJ

OAJ OOJ OLJ OBJ OMJ

LAJ LOJ LLJ LBJ LMJ

BAJ BOJ BLJ BBJ BMJ

MAJ MOJ MLJ MBJ MMJ

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3 years ago

Which of the following expressions is equivalent to -3(-x+12)?

Paladinen [302]

Answer:

d: 3x-36

Step-by-step explanation:

Apply the distributive property:

$- 3( - x ) - 3 \times 12$

Multiply -1 by -3

$3x - 3 \times 12$

Multiply -3 by 12

$3x - 36$

3 0

3 years ago