3 years ago

Which property explains why these expressions are equal? 5(g + h) = 5g + 5h

Mathematics

2 answers:

zepelin [54]3 years ago

4 0

Answer:

distributive

Step-by-step explanation:

VladimirAG [237]3 years ago

3 0

Answer: distrubitive

Step-by-step explanation:

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Jerome is going to draw a marble from the bag shown below, replace it, and then draw another marble. What is the probability tha

alexira [117]

Marbles in a bag: 3 green, 4 yellow, 5 blue, 8 pink.

Event A - get a green or yellow marble
Event B - get a pink marble

Events A and B are independent because we draw a marble from a bag with 20 marbles in both cases.
$P(A)= \frac{3+4}{3+4+5+8}= \frac{7}{20} 
\\P(B)= \frac{8}{3+4+5+8}= \frac{8}{20} = \frac{2}{5}$

Probability of combined events is
$P(A) \times P(B)=\frac{7}{20} \times \frac{2}{5} =\frac{7}{50}$

7 0

3 years ago

Read 2 more answers

What is the measurement of BC?

vichka [17]

Answer:

4.45

180 - 70 - 90 = 20

By Law of Sines

13/sin90 = BC/sin20

BC = 4.45

Sin90 = 1