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vlabodo [156]
3 years ago
13

Factor completely 16x^2-81

Mathematics
1 answer:
Natasha_Volkova [10]3 years ago
7 0

Answer:

(4x-9) times (4x+9)

Step-by-step explanation:

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Draw 2 cards from a standard deck of 52 cards. What is the probability that the first card is a queen and the second card is a k
bixtya [17]

Answer:

4/663

Step-by-step explanation:

There are four queens.  The probability that the first card is a queen is 4/52.

There are four kings.  There are 51 cards left after the first card has been drawn, so the probability that the second card is a king is 4/51.

Therefore, the probability that the first card is a queen AND the second card is a king is:

P = 4/52 × 4/51

P = 4/663

3 0
3 years ago
Pherris is graphing the function f(x) = 2(3)x. He begins with the point (1, 6). Which could be the next point on his graph?
Savatey [412]

Answer: (2, 18)

Step-by-step explanation:

When x=2, f(2)=2(3)^{2}=18.

So, it should pass through (2, 18).

8 0
1 year ago
Find the solution to the inaquality<br> N+35&lt;22
NikAS [45]

Step-by-step explanation:

N + 35 < 22

To find a solution to this inequality, we need to get N to one side of the equation by itself. Since we have N + 35 on the left-hand side of the equation, we can get

N + 35 < 22

N + 35 - 35 < 22 - 35

N < -13

7 0
3 years ago
Read 2 more answers
X=3y + 1<br> 2x + 4y =12
Alika [10]

Answer:

the solution is (4, 1).

Step-by-step explanation:

The goal here is to "solve this system of linear equations."  You need to share that along with the equations.

We can begin the solution by substituting 3y + 1 for x in the second equation:

2(3y + 1) + 4y = 12

Performing the multiplication, we get 6y + 2 + 4y = 12, or 10y = 10.

Then y must be 1.

Substituting 1 for y in the first equation, we get x = 3(1) + 1 = 4

Thus, the solution is (4, 1).

4 0
3 years ago
Which angles are congruent by the Corresponding Angles Theorem?
balu736 [363]

Step-by-step explanation:

I think it is B but I may be wrong I don't know

3 0
3 years ago
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