3 years ago

In Exercises 1-6, tell whether the ordered pair is a solution of the system of linear

Mathematics

1 answer:

Lelechka [254]3 years ago

4 0

Answer:

Step-by-step explanation:

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Use common factors to write two fractions equivalent to 80/140

9966 [12]

Answer:

80/140 = (80:20)/(140:20) = 4/7

4/7 = (4*4)/(7*4) = 16/28

4/7 = (4*5)/(7*5) = 20/35 not 20/28 not 20/32

4/7 = (4*5.5)/(7*5.5) = 22/38.5 not 22/37

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3 years ago

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Which function is represented by the graph?

Gala2k [10]

Answer:

-4,-1

Step-by-step explanation:

ok i got your numbers just find the equation for them your first number is -4,-1 try to find equation for those numbers x is -4 and y is -1

x=-4

y=-1

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3 years ago

A long-distance company charges a $5 per month line fee plus $0.25 per minute for long distance phone calls. Write and solve an

Olegator [25]

Answer:

84 minutes (1 hr and 24 mins)

Step-by-step explanation:

If the bill is $26, then that is what the equation will be equal to.
$5 fee will be added
$0.25 is 'per minute' so this is the number with the $x$

Let's put it together:

26 = 5 + .25 $x$

Subtract the 5...

21 = .25 $x$

Divide...

$\frac{21}{.25} = 84$

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4 years ago

What is the average rate of change of the function below on the interval from x = 0 to x = 2?

Salsk061 [2.6K]

Average rate of change = $\frac{change-of-y}{change-of-x} = \frac{f(x_2)-f(x_1)}{x_2-x_1}$

$\frac{f(2)-f(0)}{2-0} = \frac{250-0}{2-0}$
$125$

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3 years ago

Please solve R-7=1 ?

enyata [817]

Answer:

r=8

Step-by-step explanation:

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3 years ago

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