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Vinil7 [7]
3 years ago
13

6a3-5b2+2c2-3a2bc if a=5 b=2c=-1

Mathematics
1 answer:
I am Lyosha [343]3 years ago
6 0
6a3-5b2+2c2-3a2bc if a=5 b=2c=-1
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Please this is urgent !
telo118 [61]

Answer:

the probability is very high 86% > 14%

Step-by-step explanation:

55+20+11= 86%/100% 100-86=14% chance there will not be any rain or lightning

hope this helps!!

7 0
2 years ago
Cassidy has 10 feet of string. She uses 5/8 feet of string for each bracelet she makes. Does she have enough string to make 15 b
slava [35]
5/8 * 15 = 9.375000 exactly. The closest number to 9 is 3, which is below 5. This means to round the number down to the number it is closer to. 9.375 is closer to 9 than any other number, so we round it down to 9. Since Cassidy has 10 feet of string, and she uses the same amount for each bracelet, we can assume that she has enough to make 15 bracelets, possibly even 16.
3 0
2 years ago
X(x+9)=0 <br> x=?<br> What does x have to be for the answer to be 0?
yaroslaw [1]
<em>when we solve the equation it will become
x</em>² + 9x<em>= 0
now here a = 1 , b = 9 and c = 0 
by using quaderatic formula
x = -b +,-</em>√<em>b </em>²<em>- 4ac / 2a     ( 2a is divided by all terms )
by putting values
x = - 9 +,</em><em>- </em>√<em>81 / 2(1)               ( </em>√<em>81 = 9)</em><em>
x = -9 + 9 / 2    and x = -9 -9 /2
x = 0                and x = -18 /2 = -9  
now there are two values for x one is- 9 and other is 0 
so we put -9 as the value of x then answer will be zero..</em>
5 0
3 years ago
Read 2 more answers
170000 in scientific notation
erma4kov [3.2K]
The answe is 1.7x10 exponent 5
5 0
3 years ago
Kiki buys a new computer for x dollars. She gets a 5% employee discount. Which of the following can be used to find her new tota
Blizzard [7]

The answer is A because the rest of the letters do not make sense. Also, You did not give enough info because there is supposed to be letters and their info.

8 0
2 years ago
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