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Svetlanka [38]
2 years ago
14

Solve: negative 1 over 2 x 3 = –x 7

Mathematics
1 answer:
vovangra [49]2 years ago
4 0
<span>The equation to solve seems to be 1 / (2x) + 3 = - x + 7. Which is solved using this steps: First multiply both sides times 2x (this implies that x cannot be zero). As result you get: -1 + 6x = -2x^2 + 14x. Second group terms in the left side: 2x^2 + 6x - 14x - 1 = 0 => 2x^2 - 8x - 1 = 0. Third, use the quatratic equation to solve and you get two answers: x= -0.121 and x = 4.121</span>
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Greeley [361]

Answer:

yes

Step-by-step explanation:

euhm ... did u just asked if a figure with h=9inches and b=12inches is rectangular???

Does it matter what the diagonals are etc?

if the frame has angles of 90° and it has two different lengths then it has to be rectangular. The sides of a square would have the same lengths.

7 0
3 years ago
I Need help with Number 2 And 4 asap plz
oksian1 [2.3K]
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4 0
3 years ago
Tyler has to figure out the amount of metal to cover the back of the shelves in Mrs. Edwards room. These are the dimensions. Wha
horsena [70]

The amount of metal he will need to cover the back of the shelves is 180 inches².

The figure above is like a composite figure. Therefore, lets find the area.

<h3>Area of the composite figure</h3>

The area of the figure is the sum of the whole individual 2 dimensional shapes in the composite figure.

Therefore, two rectangles can be drawn from it.

area of rectangle = lw

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l = length

w = width

Therefore,

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area of rectangle 2 = 6 × 18 = 108 inches²

Total area = 108 + 72 = 180 inches²

Therefore, the amount of metal he will need to cover the back of the shelves is 180 inches².

learn more on area here: brainly.com/question/25849553

4 0
2 years ago
Solve for x in the diagram.
Kazeer [188]
It is a right triangle so,

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9² + 12² = x²
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Hope this helps :)
7 0
3 years ago
Read 2 more answers
Solve using the division algorithm 57.27 divided by 23
GenaCL600 [577]

Answer:

2.49

Step-by-step explanation:

57.27 / 23 = 2.49

5 0
3 years ago
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