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Zepler [3.9K]
3 years ago
11

For what value(s) of x are the following undefined? a 5x^2+x+11/x^2−4

Mathematics
1 answer:
irga5000 [103]3 years ago
4 0

Answer:

Undefined at x = 2 and x = -2

Step-by-step explanation:

(5x²+x+11)/(x²-4)

Function becomes undefined when the denominator goes to zero.

x² - 4 = 0

x = 2, -2

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What the answer tonthis question 10x=-4(2x-9)​
mylen [45]

10x = 4(2x -9)

10x = 8x - 36

10x - 8x = -36 - 8x

2x = -36

2x ÷ 2 = -36 ÷ 2

x = -18

If you need a better explanation just as in the comments.

Happy to help! Please mark as BRAINLIEST! Thanks

7 0
3 years ago
In calm water, the motorboat of Jana is moving at the speed of 16.5km/h. On a river, because of the current, the boat moves fast
ki77a [65]

Answer: 707 km/h

Step-by-step explanation:

let c = speed of current

16.5 + c = speed of sailboat downstream

16.5 - c = speed of sailboat upstream

distance = travel time * speed

﹋﹋﹋﹋﹋﹋﹋﹋﹋﹋﹋﹋﹋﹋﹋﹋﹋﹋﹋

2(16.5 + c) = 5(16.5 - c)

33 + 2c = 82.5 - 5c

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c = 7.07 km/h

4 0
2 years ago
Genesis’ basketball team won 32% of the games that they played this year and if they won 16 games, how many games they play this
ANTONII [103]

Answer:

50\ games

Step-by-step explanation:

Let

x-----> the total number of games the team played this year

Using proportion

\frac{32\%}{16}=\frac{100\%}{x}\\ \\x=16*100/32\\ \\x=50\ games

8 0
3 years ago
Please somebody help need an answer
levacccp [35]
6= 4(z+9)/y+2
6y +12 =4(z+9)
6y=4(z+9) -12
y=(4(z+9)-12)/6
y=2z+18-6/3
y=2z+12 /3
4 0
3 years ago
Charlotte has 12 t shirts.one fourth of her t shirts are green. How many of charlottes t shirts are green?
ella [17]
3 T shirts. 12 divided by 4.
7 0
3 years ago
Read 2 more answers
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