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I am Lyosha [343]
3 years ago
15

2x - 7 + x - 11 = 3x - 11 X = ?

Mathematics
1 answer:
Gekata [30.6K]3 years ago
3 0

Answer:                                  -7=0 --> Impossible

Step-by-step explanation:  

2x-7+x-11= 3x-11

2x+x-7-11=3x-11

3x-18=3x-11

3x-18+11=3x

3x-7-3x=0

-7=0

Impossible

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Two cards are drawn without replacement from an ordinary deck, find the probabaility that the second is a face card, given thath
Greeley [361]
Answer is 1.1% chance:
standard deck of cards has 52 cards
jack, queen, and king are face cards, and there are four suits, so in total there are  7 face cards in the deck. There are 4 seven cards in the deck. The probability that the first card is a seven is 0.076923077--> 7.7%, then there are 7 face cards so 7/51 chance 0.137254902--> 13.7% (but that is after 7.7% of 100% has already happened, so we are looking at 13.7% chance of 7.7% chance of 100% cards. Multiply both numbers and you get 0.010558069--> 1.1% chance 
6 0
3 years ago
Name the linear pair please!
antiseptic1488 [7]
(-2,6) is the pair for this equation
4 0
3 years ago
Factor x^6 + 12ax^3 + 20a^2​
Sedaia [141]

x^6 + 10ax^3 + 2ax^3 + 20a^2

(x^3 + 10a)(x^3 + 2a)

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8 0
3 years ago
Please help me i’ll give brainliest or whatever its called
kirill [66]

Answer:

<h2>2.6</h2>

Step-by-step explanation:

To solve this, we need to use the Pythagorean theorem to solve this.

The way to solve is by solving for AD by using triangle CAD and then using that result to solve for BD.

3.4² + b² = 6.5²

11.56 + b² = 42.25

42.25 - 11.56 = b²

b = √30.69

b = 5.53985559 or about 5.5

4.9² + b² = 5.5²

24.01 + b² = 30.69

30.69 - 24.01 = 6.68

b = √6.68

b = 2.58456959666 or about 2.6

<h2>EDIT: the other user is incorrect, here's why</h2>

3.4 + 4.5 = 7.9

6.5² + 4.9² = 7.9²

66.26 doesn't equal 62.41

7 0
2 years ago
Suppose A and B are independent events. If P(A)=0.2 and P(B)=0.6, what is P(A^B)?
lawyer [7]
OK so you want the probabilty of A and B occurring.  Independet event probabilities are multiplied so its 0.2 * 0.6 = 0.12

b
3 0
3 years ago
Read 2 more answers
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