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Anna007 [38]
3 years ago
12

URGENT!!! 30 points!

Mathematics
2 answers:
riadik2000 [5.3K]3 years ago
4 0

Answer:

the correct answer its 8 and bye

IgorC [24]3 years ago
3 0

Answer:

Lol its 8

Step-by-step explanation:

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Which of the following is a perfect square trinomial?
shutvik [7]

Answer:

A.

Step-by-step explanation:

Take a look at what happens when squaring either of these...

(ax-by)^2=(ax-by)(ax-by)=a^2x^2-2abxy+b^2y^2\\\\(ax+by)^2=(ax+by)(ax+by)=a^2x^2+2abxy+b^2y^2\\

Notice a couple of patterns.

1.  The last term has a positive coefficient.  That rules out answer choices C and D.

2.  The coefficient of the middle term is either +2ab \text{ or } -2ab .  So what are <em>a</em>  and <em>b</em>?  <em>a</em> is the square root of the x^2 term and <em>b</em> is the square root of the y^2 term.

25x^2 \Rightarrow a=5\\\\9y^2 \Rightarrow b=3\\\\ab=15\\\\2ab=30

The middle coefficient needs to be either +30 or -30.  The answer is choice A.

5 0
3 years ago
What is the 8th term of this geometric sequence 6,48,384,3072
ELEN [110]
Common ratio can be found by dividing the 2nd term by the first
r = 48/6
r = 8

an = a1 * r^(n-1)
n = term to find = 8
a1 = first number = 6
r = common ratio = 8
now we sub
a(8) = 6 * 8^(8-1)
a(8) = 6 * 8^7
a(8) = 6 * 2097152
a(8) = 12582912 <==
3 0
4 years ago
Simplify 2y-6x+5+4y<br> What is the answer?
Misha Larkins [42]

Answer:

Answer = −6x+6y+5

3 0
3 years ago
light travels at 3x10 to the power of 8 meters per second. there are 8.64x10 to the power of 4 seconds in 24 hours. how many met
Vaselesa [24]
Distance = velocity * time

               = 3 * 10^8 * 8.64 * 10^4 

               =   2.592 * 10^13 meters (answer)
6 0
4 years ago
Stephen Curry makes 43.5% of his 3 point shots. In a typical season, Curry takes around 700 3 point shots. Assume Curry takes 70
Paladinen [302]

Answer:

a. Find the probability that Curry makes less than 300 3 point shots.

4 0
3 years ago
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