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Lelechka [254]
3 years ago
14

A rectangle has a length of 27 inches less than 5 times its width. if the area of the rectangle is 3690 square inches, find the

length of the rectangle.
Mathematics
1 answer:
nikdorinn [45]3 years ago
8 0
Look for the calculator for algebra online
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Which identity is the result of using the pythagorean theorem to show that a triangle with side lengths x^2 - 1, 2x, and x^2 +
vfiekz [6]

9514 1404 393

Answer:

  C.  (x^2-1)^2 + (2x)^2 = (x^2 +1)^2

Step-by-step explanation:

Inexplicably, three of the four answer choices have minus signs in them. Those are all incorrect. The appropriate choice is ...

  C. (x^2-1)^2 + (2x)^2 = (x^2 +1)^2

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Expanded, this is ...

  x^4 -2x^2 +1 +4x^2 = x^4 +2x^2 +1 . . . . the desired identity

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Answer:

Step-by-step explanation:

y = \frac{1}{5}x + 2

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D(0 , 2)

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y = -x + 8

When x =4 ,  y = -4 + 8 = 4

A(4 , 4)

When x = 6 ;   y = -6 + 8 = 2

B(6 , 2)

Plot (4,4) and (6, 2) in the graph and join the points. This will be the line for the equation y = - x + 8.

This lines will intersect at  point (5,3) and  that point will be the solution of the equation.

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3 years ago
A yearbook printer charges based on the number of pages printed. Here is a table that shows the cost of some recent yearbooks.
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<span>y=0.014x+0.85. Guess and check.</span>
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Marlena solved the equation 2x + 5 = –10 – x. Her steps are shown below.
nikklg [1K]

Answer: step 1. addition property of equality

step 2. subtraction property of equality

step 3. division property of equality

Step-by-step explanation:

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Which angels are vertical angels?
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Answer:

Option. 3. Ang. OPS and Ang. OPN

THANK YOU!

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