2 years ago

If f(x) = 3x -11 , find -4f (-3)

Mathematics

1 answer:

gladu [14]2 years ago

6 0

Answer:

Step-by-step explanation:

-4f(x)=-12x+44

-4f(-3)=36+44=80

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A 1L bag of Normal Saline must infuse over 6 hours using tubing calibrated to deliver 20gtts/mL. How many drops per minute shoul

sammy [17]

Answer:

total drop per minute is 56

Step-by-step explanation:

Give data:

total capacity of bag 1 L = 1000 ml

Duration of infuse 6 hr

quantity at the time delivered is 20 gtts/ml

Drop per minute can be determined by using following relation

Drop per minute $= \frac{1000 ml\times 20 gtts/ml}{6\times 60 min} = 55.55 gtt$

therefore total drop per minute is $55.55 \approx 56$

4 0

3 years ago

Find the slope of a line parallel to the given line. y=4/5x+5

xeze [42]

Answer:

y = 4/5x

Step-by-step explanation:

Her ya go!

3 0

2 years ago

What is the value of 5k + m when k = -3 and m = - -9? A. -60 B. -30 C.-24 D. -6

sladkih [1.3K]

Answer:

C. -24

Step-by-step explanation:

$5k + m \\ k = - 3 \\ m = - 9$

Plug in values into the given equation

$5( - 3) + ( - 9) \\ - 15 - 9 \\ = - 24$

6 0

3 years ago

The value of y is directly proportional to the value of x. When x=3.5, the value of y is 14. What is the value of y when x = 28?

inna [77]

Answer:

x = 7

Step-by-step explanation:

y = 14

14 x 2 = 28

Therefore:

3.5 x 2 = 7

7 0

2 years ago

What number is 80% of 660?

ddd [48]

Answer:

528

Step-by-step explanation:

(80:100)*660 =

(80*660):100 =

52800:100 = 528

Now we have: 80 percent of 660 = 528

7 0

2 years ago