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kipiarov [429]
2 years ago
11

Which of the following properties is represented by (x + y)(2 + z) = 2(x +y) + z(x + y)?

Mathematics
2 answers:
irga5000 [103]2 years ago
5 0
Distributive property
cestrela7 [59]2 years ago
3 0

Answer:

Distributive property

Step-by-step explanation:

The 2 is distributed over the  parentheses (x + y) the the z is also.

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you pick a card at random without getting the first card back you pick a second card at random what is the probability of pickin
Keith_Richards [23]

We have to calculate the probability of picking a 4 and then a 5 without replacement.

We can express this as the product of the probabilities of two events:

• The probability of picking a 4

,

• The probability of picking a 5, given that a 4 has been retired from the deck.

We have one card in the deck out of fouor cards that is a "4".

Then, the probability of picking a "4" will be:

P(4)=\frac{1}{4}

The probability of picking a "5" will be now equal to one card (the number of 5's in the deck) divided by the number of remaining cards (3 cards):

P(5|4)=\frac{1}{3}

We then calculate the probabilities of this two events happening in sequence as:

\begin{gathered} P(4,5)=P(4)\cdot P(5|4) \\ P(4,5)=\frac{1}{4}\cdot\frac{1}{3}=\frac{1}{12} \end{gathered}

Answer: 1/12

8 0
1 year ago
Which of the following equations is quadratic?
sladkih [1.3K]
It’s b pls brainiest me have a Good day
6 0
2 years ago
I’ll literally give u sm points HELP Two sides and an angle (SSA) of a triangle are given. Determine whether the given measureme
Norma-Jean [14]

Answer:

The answer is B

Step-by-step explanation:

7 0
2 years ago
If n = 2 + 6m and p = 2/n, what is the value of p when m = -1/2?
artcher [175]

Answer:

p = - 2

Step-by-step explanation:

Given

n = 2 + 6m ← substitute m = - \frac{1}{2} into the expression

n = 2 + 6(- \frac{1}{2} ) = 2 - 3 = - 1

Thus

p = \frac{2}{n} = \frac{2}{-1} = - 2

8 0
2 years ago
5x + 5/4 = x − 3/9 please show work
OLEGan [10]
5x + 5/4 = x - 3/9

5•x + 5/4 = x - 3/9

144x = -57

x = -19
48
≈ -0.395833
5 0
2 years ago
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