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lozanna [386]
3 years ago
12

Which statement is true for the equation 3x − 3x − 2 = −2?

Mathematics
2 answers:
Amanda [17]3 years ago
8 0

Answer:

D. It has infinitely many solutions.

Step-by-step explanation:

We have been given an equation 3x-3x-2=-2. We are asked to find the number of solutions for our given equation.

We know that an equation has infinitely many solutions, when both sides of the equation are equal.

Let us add 3x on both sides of our given equation.

3x-3x+3x-2=-2+3x

3x-2=3x-2

Since both sides of our given equation are equal, therefore, our given equation has infinitely many solutions and option D is the correct choice.

coldgirl [10]3 years ago
4 0
It would come out to 3x = 3x so it would be infinitely many solutions
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What is the prime factorization of 81m 2 x 3?
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Find the measurement of both complementary angles, if the measurement of the first one is 40° less than the measurement of the o
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90 - 40 = 50

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2 years ago
There are 52 cards in a deck, and 13 of them are hearts. Four cards are dealt, one at a time, off the top of a well-shuffled dec
irga5000 [103]

Answer:

10.97%

Step-by-step explanation:

There are 52 cards.

13 of them, are hearts.

Then

52 - 13 = 39 cards are not hearts.

4 cards are drawn, we want to find the percent chance that the fourth card is a heart card, but no before.

So the first card can't be a heart card.

because the deck is well-shuffled, all the cards have the same probability of being drawn.

Then the probability of not getting a heart card, is equal to the quotient between the number of non-heart cards (39) and the total number of cards (52), then the probability is:

p₁ = 39/52

The second card also can't be a heart card, the probability is calculated in the same way than above, but now there are 38 non-heart cards and a total of 51 cards (because one card was already drawn) then the probability here is:

p₂ = 38/51

For the third card the reasoning is similar to the two above cases, here the probability is:

p₃ = 37/50

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then the probability is:

p₄ = 13/49

The joint probability (the probability of these 4 events happening together) is equal to the product between the individual probabilities:

P = p₁*p₂*p₃*p₄

P = (39/52)*(38/51)*(37/50)*(13/49) = 0.1097

The percent chance is the above number times 100%

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Answer:

X-Y=-3

Step-by-step explanation:

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