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Lady bird [3.3K]
3 years ago
14

If r(x) = 2 – x2 and w(x) = x – 2, what is the range of (w circle r) (x)?

Mathematics
2 answers:
shutvik [7]3 years ago
7 0

Answer:

Try (

−

∞

,

∞

)

Step-by-step explanation:

OK so, I copied and pasted that so try to put it together lol

Allisa [31]3 years ago
3 0

Answer:

Correct answer is : (-∞, 0)

Step-by-step explanation:

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A meter is 3.37 inches more than a yard swimmer a swims 100 meters and swimmer b swims 100 yeards how many more feet did swimmer
olga_2 [115]
Swimmer a swims 100 meters, which is 100 1-meters, which is 100
(1 yards +3.37 inches) = 100 yards + 337 inches.

1 yard is 3 feet, so 100 yards are 300 feet.

100 in is 8.33 feet so
337 in is (337*8.33)/100=28.07 feet


Swimmer b swims 100 yards, which is 300 feet

Swimmer a swam 28.07 feet.


4 0
3 years ago
What is the value of the expression x^2y–y+xy^2–x for x=4 and y=0.25?
stepan [7]

Answer:

0 (zero)

Step-by-step explanation:

{x}^{2} y - y + x {y}^{2}  - x  \\  =  {4}^{2} \times  0.25 - 0.25 + 4 \times  {0.25}^{2}  - 4 \\  = 16 \times  0.25 - 0.25 + 4 \times  0.0625- 4  \\  = 4 - 0.25 + 0.25 - 4 \\  = 0 \\  \\  \purple {\boxed{ \bold{ \therefore \:  {x}^{2} y - y + x {y}^{2}  - x  = 0}}}

8 0
3 years ago
What are the factors of the expression x^2+x-20?
tatyana61 [14]

Answer:

(x-4)(x+5)

Step-by-step explanation:

Find 2 numbers knowing sum (1) and product (-20). To find them, factor pairs of (-20) --> (-2,10) (-4,5). This sum is 1=b. Then, these 2 numbers are: - 4 and 5. Y=(x-4) (x+5). Hope this helped :)

3 0
3 years ago
Solve for x PLEASE HELP
AveGali [126]

Answer:

x= 5

Step-by-step explanation:

11^3 • 11^2 = 11^5

hope this helped :)

4 0
3 years ago
Read 2 more answers
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MaRussiya [10]
This is not a right triangle.

4 0
3 years ago
Read 2 more answers
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