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Andru [333]
3 years ago
15

How do I solve for 'k'?

Mathematics
1 answer:
AnnZ [28]3 years ago
8 0
\sqrt{2k^2+17} -7=0 

2k^2+17= \sqrt[ \frac{1}{2} ]{7} 

2k^2+17=7^2 

2k^2+17=49 

2k^2=49-17 

2k^2=32 

k^2 =  \dfrac{32}{2} 

k^2=16 

k= \sqrt{16} 

k=4
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bulgar [2K]
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3 years ago
a woman buys a pair of shoes at a sale.she pays $60,saving $15 on the regular price.The percentage discount on the shoe is​
AleksandrR [38]
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3 years ago
Spinner has 7 pieces, 1 black, 2 gray, 4 white, what is the probability that I would land on a gray piece?
Firlakuza [10]

Answer:

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6 0
2 years ago
Find the missing term and the missing coefficient 6a −( )5a =( ) a2 − 35a
andrew11 [14]
Solving for the missing term and the missing coefficient (6a − )5a = ( ) a^2 − 35a
 Let the missing term be X
 Let the missing coefficient be Y
 Therefore, (6a – X)5a = Y(a^2) – 35a
 6a x 5a – X.5a = Y.a^2 – 35a
 30a^2 – X.5a = Y.a^2 – 35a
  Equating co-efficients,
30a^2 = Y.a^2; X.5a = 35a
 30 = Y; 5X = 35
Y = 30; X = 7
   Therefore, (6a-7)5a = 30 a^2 – 35a <span>
</span>
3 0
3 years ago
Simplify the expression (6×2)-4.
netineya [11]
The answer is 8

First you do what's in parentheses and that's 6 times 2 which equals 12
The you subtract by 4 which is 8
8 0
3 years ago
Read 2 more answers
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