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Ksju [112]
3 years ago
14

(Simplify):288-2V72 +378 + 2V50​

Mathematics
1 answer:
leva [86]3 years ago
6 0
That’s the answer for you’re question

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Given f(x) = 7 - 4x. If the domain of the function is {-4, 0, 1.75, 3}, what is the range of the function?
photoshop1234 [79]

Answer:

[-5,23]

Step-by-step explanation:

f(-4)=23

f(3)= -5

put the maximum and minimum values for x which at domain

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Find the y-intercept of the line on the graph
igor_vitrenko [27]

Hey there Caiiitynn.

The Y-intercept is where the line goes through the Y-Axis. In this case, its 3.

-TheOneandOnly003


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A. How much carpet does Erin need?
cricket20 [7]
A. she needs 81sq ft

b. 202.5$
6 0
3 years ago
What angle relationship best describes angles AFC and DFB?<br> WILL GIVE BRAINLIEST
Ivan

Answer:

vertical angles

Step-by-step explanation:

they are vertical angles because they are vertically opposite each other and they are equal

4 0
3 years ago
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Can someone help me please
aleksklad [387]

9514 1404 393

Answer:

 IS a parallelogram

Step-by-step explanation:

The slope formula for the slope of the line between points (x1, y1) and (x2, y2) is ...

  m = (y2 -y1)/(x2 -x1)

The distance formula for the length of that same line is ...

  d = √((x2 -x1)^2 +(y2 -y1)^2)

Here, you're asked to use each of these formulas 4 times, once for each side of the quadrilateral. I find it convenient to let a calculator or spreadsheet do the repetitive calculations. The result is attached.

The attachment shows that opposites sides have the same length and slope, so are parallel. The quadrilateral is a parallelogram. (The two points used in each calculation are the ones on the result line and the line immediately below. That is why point B is copied to the end of the list.)

_____

<em>Additional comments</em>

There are much simpler ways to prove the figure is a parallelogram. My favorite is to add the coordinates of the end points of the diagonals:

  B +D = (-2+6, -9-3) = (4, -12)

  C +E = (0+4, -5-7) = (4, -12)

These values being the same demonstrates the midpoints of the diagonals are coincident. That will only be the case if the quadrilateral is a parallelogram.

__

If you must use slope and distance formulas, showing either pair of opposite sides is parallel and have the same length is sufficient to guarantee that the other two sides are also parallel and have the same length. That is, the calculations required in this problem only need to be applied to one pair of opposite sides. (Using a spreadsheet, it's not a lot of extra work to do the calculations for both pairs of opposite sides.)

7 0
3 years ago
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