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Masja [62]
3 years ago
5

(9+d)*8=9*8+d*8 what property is this?

Mathematics
2 answers:
11Alexandr11 [23.1K]3 years ago
8 0
Commutative because it’s switching the numerals to make an equation
kap26 [50]3 years ago
5 0
<h3>Answer: Distributive property</h3>

=================================

In general the distribute property is this

a*(b+c) = a*b + a*c

or

(b+c)*a = b*a + c*a

the basic idea is that we multiply the outer term 'a' with each term inside (those terms being b and c).

In your problem, the outer term is 8 and the inner terms are 9 and d

---------

Another Example:

(2+3)*4 = 2*4+3*4 = 8+12 = 20

note how

(2+3)*4 = 5*4 = 20

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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
HELP QUICK! You must find all intervals<br> where f(x) is negative. <br> f(x)=2(x+3)(x-7)
beks73 [17]

Answer:

any # where -2<=x<7

Step-by-step explanation:

(x-7) would be negative and (x+3) positive, resulting in f(x) being negative.

4 0
2 years ago
What is the value of x in trapezoid ABCD?<br>x=15<br>x=20<br>x=45<br>x=60<br>​
Zepler [3.9K]

Answer:

I think its x=15

Step-by-step explanation:

7 0
3 years ago
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What is the common ratio of the following sequence? 80, 20, 5, ... <br> A) -4 <br> B) 1/4 <br> C) 4
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\bf 80~~,~~20~~,~~5~\hfill \cfrac{20}{80}\implies \boxed{\cfrac{1}{4}}~~,~~ \cfrac{5}{20}\implies \boxed{\cfrac{1}{4}}~\hfill \stackrel{\textit{common ratio}}{\boxed{\cfrac{1}{4}}}

6 0
3 years ago
/Which of the following is a solution of y - x &lt; -3? A= (6,2) B= (2,6) C= (2,-1)
konstantin123 [22]
C is the solution to the problem
3 0
4 years ago
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