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astraxan [27]
3 years ago
13

a. Solve x + 9 = x + 9. b. If you simplify an equation and get 0 = 0, what can you conclude about the solution(s) of the origina

l equation? a. Select the correct choice below and, if necessary, fill in the answer box within your choice. O A. (Simplify your answer.) O B. The solution is all real numbers. O C. There is no solution.​
Mathematics
1 answer:
Wittaler [7]3 years ago
7 0
My friend told me the answer is 57
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20 Point!
ludmilkaskok [199]

determinant: \sqrt{b^2-4ac}

(a) x^2+4x+5=0\\D=4^2-4\cdot1\cdot5={-4}\\D

D<0 means there are no real roots. there are two complex roots with imaginary components.

(b) D=16+20=36>0

D>0 means there are two real roots

(c) D = 20^2-4*4*25 = 0

D=0 means there is one real root with multiplicity 2


7 0
3 years ago
How would you write odds in favor?
Andrews [41]

Answer: Odds in favor = Number of successes: Number of failures

Step-by-step explanation:

Example

A jewelry box contains 5 white pearl, 2 gold rings and 6 silver rings. What are the odds of drawing a white pearl from the jewelry box?

Number of successes = 5

Number of failures = 2 + 6 = 8

Numbers of ways to draw a white pearl: number of ways to draw another jewelry.

5:8

The odds are 5:8

3 0
3 years ago
6 poodles to 18 beagles ratio​
amid [387]

Answer: 1:3

Step-by-step explanation: You would divide both sides by 6 and get 1:3 poodles to beagles

4 0
3 years ago
Read 2 more answers
Part A: Rhett made $250 washing cars with his mobile car wash company. He charges $70 per car and earned $50 in tips. Write an e
neonofarm [45]

Answer:

250=70x+50

Step-by-step explanation:

4 0
2 years ago
F(x) =
slega [8]

Answer:

Step-by-step explanation:

the graph correspond to the function f :

6 0
3 years ago
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