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2 years ago

Which problem demonstrates the associative property of multiplication?

Mathematics

1 answer:

Degger [83]2 years ago

5 0

Answer:

5.2 (3.1 + 1.9) = (5.2 • 3.1) + (5.2 • 1.9)

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X(x+1)(x+3)(x+5) - x(x+3)(x+5)

mash [69]

Answer:

x^4 + 8x^3 + 15x^2

Step-by-step explanation:

8 0

3 years ago

Given that A varies directly as B and inversely as C and that; A=12 when B=3 and C=2. Find B when A=10 and C=1.5

maria [59]

Answer:

B = 1.875

Step-by-step explanation:

given that A varies directly as B and inversely as C then the equation relating them is

A = $\frac{kB}{C}$ ← k is the constant of variation

to find k use the condition A = 12 when B = 3 and C = 2 , then

12 = $\frac{3k}{2}$ ( multiply both sides by 2 to clear the fraction )

24 = 3k ( divide both sides by 3 )

8 = k

A = $\frac{8B}{C}$ ← equation of variation

when A = 10 and C = 1.5 , then

10 = $\frac{8B}{1.5}$ ( multiply both sides by 1.5 )

15 = 8B ( divide both sides by 8 )

1.875 = B

8 0

2 years ago

A person draws a card from a hat. Each card is one color, with the following probabilities of being drawn: 1/20 for blue, 1/10 f

FromTheMoon [43]

Answer:

1/4

Step-by-step explanation:

4 0

3 years ago

PLEASE HELP APAP, WILL MARK BRAINLIEST WHEN POSSIBLE! The length of a rectangle is shown below:

prisoha [69]

Im pretty sure the correct answer is the fourth one

6 0

2 years ago

Read 2 more answers

Three cards are drawn at random from a standard deck of cards, without replacement. Find the probability that the suits of the c

Evgesh-ka [11]

The probability that suits of cards are spades, hearts, and spades is 39/850 or 0.046.

According to the give question.

Three cards are drawn from a standard deck of cards without replacement.

Since,

The total number of cards in a standard deck = 52

Total number of spade cards = 13

Total number of heart cards = 13

Now,

The probabbility of getting first card as a spade card = 13/52 = 1/4

The probability of getting second card as heart card

= 13/(52 -1) (cards are drawn without replacement)

= 13/51

The probability of getting third card as a spade card

= (13 - 1)/52 -2

= 12/50

= 6/25

Therefore, the probability that suits of the cards are spades, hearts, spades

= 1/4 × 13/51 × 6/25

= 39/850

= 0.046

Hence, the probability that suits of cards are spades, hearts, and spades is 39/850 or 0.046.

Find out more information about probability here:

brainly.com/question/11234923

#SPJ4

8 0

1 year ago