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sergey [27]
3 years ago
8

For what value of x is the rational expression below undefined? x+8/x^2 -2x-24

Mathematics
2 answers:
notsponge [240]3 years ago
8 0

Answer:

Step-by-step explanation:

Katena32 [7]3 years ago
3 0
First step: Factor the expression.
(x + 8) / (x - 6)(x + 4)
Set each factor of the denominator equal to zero.
x - 6 = 0                                        x + 4 = 0
add 6 to both sides                      subtract 4 from both sides
x = 6                                             x = -4
The function would be undefined if x = 6 or x = -4
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Mathew deposits 400800.00 kina with the bank which offers 5½% interest per annum. calculate the interest earned after four years
Sati [7]

Solution

For this case we can use the following formula:

A=P(1+\frac{r}{n})^{nt}

Where:

P= 400800 = present value

A= future value

r= 0.055 interest rate

n= 4, number of times that the interest is compund in a year (quarterly)

t= 4 years

Replacing we got:

A=400800(1+\frac{0.055}{4})^{4\cdot4}=498679.58

then the interest would be:

I=A-P=498679.58-400800=97879.58

4 0
1 year ago
Calculate the perimeter for the parallelogram if a= 7.6 , b= 5.9 and c= 14.6
kolezko [41]

Although the problem gives the value of b, it's really not needed.

Opposite sides of a parallelogram are congruent, so we just need to calculate: 2a + 2c = P

Plug the given values in:

2 * 7.6 + 2 * 14.6 = 44.4 units, or choice (C).

4 0
3 years ago
2r^2+3s^3-r^2+4t^2-r^2 if r=-2, s=-3, and t=5
dimulka [17.4K]
2(-2)^2+3(-3)^3-(-2)^2+4(5)^2-(-2)^2 = 19

19 is the answer.
3 0
3 years ago
Eight blue socks, four white socks, & two gray socks are mixed in a drawer. You pull out two socks, one at a time, without l
dsp73

Answer:

i would say 6/16 or 2/3 if ur simplifying

Step-by-step explanation:

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4 0
3 years ago
Read 2 more answers
1. BUILD A FENCE Mrs. Chen wants to build
Snezhnost [94]

Answer:

  180 ft

Step-by-step explanation:

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  2(60 ft + 30 ft) = 180 ft

Mrs. Chen needs 180 feet of fence.

4 0
3 years ago
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