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2 years ago

50 pnts bc its a hard question

Mathematics

2 answers:

pashok25 [27]2 years ago

8 0

Answer:

I think it would be 2 infinity

Sedbober [7]2 years ago

3 0

Detailed Answer:

There would definitely be 2 infinities since infinity is a value that cannot be written numerically because of it being a number so huge. So definitely one infinity would consist of 2 infinities when halved.

Note: This answer is my opinion and not from the examination point of view.

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The area of this rectangle is given by the quadratic function

Sonja [21]

The function uses W as the variable but the options show only x's as the variable, so I'm asumming W in the answer

Answer:

0 < W < 50

Correct option: A

Step-by-step explanation:

Domain of functions

Some functions have restricted values of the independent variable x. It can be due to mathematical restrictions, like dividing by 0 or taking the square root of a negative number, of it can be due to practical conditions of the situation being modeled.

In this case, the area of a rectangle is given by the quadratic function.

$A=50W - W^2$

Since the area of a rectangle cannot be negative (and should be positive, though it could be zero), the practical domain of A is determined when

$50W - W^2\geq 0$

Taking common factor W

$W(50 - W)\geq 0$

Since W must be positive W>0

$50 - W\geq 0$

Or equivalently

$50 \geq W$

$W \leq 50$

The total interval is

$0 < W$

Correct option: A

Please note: The real restriction should be

$0 < W\leq 50$

if we allowed the area to be positive, but I'm providing the most possible correct available option

6 0

3 years ago

Solve the rational equation: x/x+1 = 2/x+1

Tju [1.3M]

Answer:

x = 2

Step-by-step explanation:

$\frac{x}{x+1} =\frac{2}{x+1}$

x ≠ 0

x ≠ - 2

x ≠ - 1

$\frac{x}{x+1}(x+1) =\frac{2}{x+1}(x+1)$

x = 2

6 0

2 years ago

Bill is bisecting an angle with technology Which of the following describes his next step?

maw [93]

Answer:

Mark point E where the circle intersects segment BC

Step-by-step explanation:

Apparently, Bill is using "technology" to perform the same steps that he would use with compass and straightedge. Those steps involve finding a point equidistant from the rays BD and BC. That is generally done by finding the intersection point(s) of circles centered at D and "E", where "E" is the intersection point of the circle B with segment BC.

Bill's next step is to mark point E, so he can use it as the center of one of the circles just described.

___

Comment on Bill's "technology"

In the technology I would use for this purpose, the next step would be "select the angle bisector tool."

6 0

3 years ago

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if a scientist gets unexpected results during the first trail of an experiment what should he or she do next

Tasya [4]

If they get unexpected results they could note what they could've done wrong or what they could change in a next trail of experiments. Or look back and see what different happened to they could've hypothesized. There could be many different courses on what to do next.

4 0

2 years ago

Find the equation of the line. Use exact numbers y= ?x+ ?

lina2011 [118]

Answer:

y=3x+3

Step-by-step explanation:

slope is 3 because rise over run. Rise is 3 and run is 1. 3/1 is 3. and b= y-intercept and the poiunt wehre the line intercepts the y axis is 3. so your answer is y=3x+3

8 0

3 years ago

Read 2 more answers