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otez555 [7]
3 years ago
7

Find the length of the segment whose endpoints are (-3,4) and (5,4).

Mathematics
1 answer:
Montano1993 [528]3 years ago
8 0
Since the points share the same y coordinate (y=4) it is simply a straight horizontal line ranging from -3 to +5, so the length is 5--3 = 8.

If the y coordinates were different, you would have needed to apply pythagoras.
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1 m = 3.28 ft<br><br> About how many meters are in 41 feet?
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Step-by-step explanation:

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Which ordered pair is a solution of the equation?
liq [111]

Answer:

y=39

Step-by-step explanation:

73-2y=-5

2y=73-(-5)

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4 years ago
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garik1379 [7]

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7 0
4 years ago
Find f(4) when f(x)=4x^2 - 2 x - 4
prisoha [69]

Answer:

52

Step-by-step explanation:

f(x)=4x^2-2x-4

f(4)=4(4)^2-2(4)-4 (I replaced x with (4) since we are to find f(4).)

f(4)=4(16)-2(4)-4    (By the order of operations, we take care of the exponents before whatever else we have here.)

f(4)=64-8-4           (By the order of operations, we take care of the multiplication as we see if left to right.)

f(4)=56-4              (By the order of operations, we perform addition/subtraction as we see it left to right.)

f(4)=52                 (This completes the simplification.)

We could have also put this in our calculator as:

4(4)^2 -  2(4)  -  4

This would have returned 52.

8 0
3 years ago
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