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schepotkina [342]
3 years ago
14

2x^2 - 5x +4=0 what is the solution

Mathematics
1 answer:
NeTakaya3 years ago
7 0

Answer

x = 3.13745860… , − 0.63745860 …

Step-by-step explanation:

thats decimal form

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It takes 5 hours for a boat to travel 25 miles upstream. The same boat can travel 30 miles downstream in 2 hours. Find the speed
loris [4]

Answer:

so 5 miles upstream and 15 miles downstream

Step-by-step explanation:

25/5=5

30/2=15

3 0
2 years ago
Is 1.3 million bigger than 65 million
gtnhenbr [62]

Answer:

no

Step-by-step explanation:

because 1.3m is small

and 65M is very big I need 65m

8 0
3 years ago
I need help on number 5
makkiz [27]

Answer:

C. Skewed

Step-by-step explanation:

You can tell because the box in this box and whisker plot is on the right side of the line meaning that it is skewed.

6 0
3 years ago
Read 2 more answers
If x+2y=3 and xy=2 show that x³+8y³+9=0​
kicyunya [14]

Step-by-step explanation:

<u>Given</u>

  • x + 2y = 3 and xy = 2
  • show that x³ + 8y³ + 9 = 0​

<u>Solution in steps:</u>

  • (x + 2y)³ = 3³
  • x³ + 3x²(2y) + 3x(2y)² + (2y)³ = 27
  • x³ + 6x(xy) + 12y(xy) + 8y³ = 27
  • x³ + 8y³ + 6(x + 2y)xy = 27                    ⇒  Substitute values
  • x³ + 8y³ + 6*3*2 = 27
  • x³ + 8y³  + 36 - 27 = 0
  • x³ + 8y³  + 9 = 0

Done

4 0
3 years ago
The Orioles played 90 games and have won 70% of them. How many games has the team won?
Afina-wow [57]
To answer this, all you have to do is multiply 90 by 0.7!
so the final answer is 63 games.
6 0
3 years ago
Read 2 more answers
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