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3 years ago

What is the value of the rational expression below when x is equal to 4? x-12/x-8

Mathematics

2 answers:

Oxana [17]3 years ago

8 0

Answer: the answer is 2

Step-by-step explanation:

mestny [16]3 years ago

4 0

$\text{Put the value of x = 4 to the expression}\ \dfrac{x-12}{x-8}:\\\\\dfrac{4-12}{4-8}=\dfrac{-8}{-4}=2\\\\Answer:\ \boxed{C.\ 2}$

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solniwko [45]

Answer:

I dont know what you mean wdym...

Step-by-step explanation:

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3 years ago

Megan has 32 bottle caps. She wants to display the bottle caps in rows, with same number of bottle caps in each row. How many di

lisabon 2012 [21]

She can go by 5's or 7's

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3 years ago

Insturctions to care for a plant say to water it with 3/4 cup of water every day.The plant has been getting 25% too much water.

disa [49]

For this case we propose a rule of three. We assume that the excess water received was in one day. So:

$\frac {3} {4}$ cup ------> 100%

x ----------------------------> 25%

Where "x" represents excess water.

$x = \frac {25 * \frac {3} {4}} {100}\\x = \frac {\frac {75} {4}} {100}\\x = \frac {75} {400}\\x = \frac {15} {80}\\x = \frac {3} {16}$

Thus, the excess water is $\frac {3} {16}$ cups.

Then, in one day you receive in total:

$\frac {3} {4} + \frac {3} {16} = \frac {16 * 3 + 4 * 3} {16 * 4} = \frac {48 + 12} {64} = \frac {60 } {64} = \frac {15} {4}$ cups of water.

Answer:

$\frac {15} {4}$ cups of water

3 0

3 years ago

Commercial dredging operation in ancient rivers occasionallyuncover archaeological artifacts of great importance. One suchartifa

Ivenika [448]

Answer:

A) Refer attached fig. or pareto chart

Step-by-step explanation:

Given data

Rivers Bann Blackwater Erne Shannon Barrow

Spearheads(fi) 19 8 15 33 14

Pareto charts are those charts who has both bars and lines. bars are shown in descending order and the cumulative total is represented by the line.

b) Circle graph

Circle graph is also known as pie chart

In this chart we divided into circle in to different segments according to formula.

Total frequency of spreads in = 19+8+15+33+14=90

i) Bann

fi =19

percentage = $\frac{19}{90}\times100 = 21.35$ %

Segment size = 21.35% × 360 = 77°

ii) Black water

fi = 8

percentage = $\frac{8}{90} \times 100$ = 8.99%

Segment size = 8.99% × 360 = 32°

iii) Erne

fi = 15

percentage = $\frac{15}{90} \times 100$ = 16.85%

Segment size = 16.85% × 360 = 61°

iv) Shannon

fi = 33

percentage = $\frac{33}{90}\times100$ = 37.08%

Segment size = 37.08% × 360 = 133°

iv) Barrow

fi = 14

percentage = $\frac{14}{90} \times100$ = 15.73%

Segment size = 15.73% × 360 = 57°

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3 years ago

If f(x) = |x + 6|, find f(–10). –16 –4 4 16

k0ka [10]

$f(-10)=|-10+6|=|-4|=4$

3 0

4 years ago