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aliina [53]
3 years ago
9

Solve the linear equation 2.25 – 11j – 7.75 + 1.5j = 0.5j – 1.

Mathematics
1 answer:
maxonik [38]3 years ago
7 0
To solve for this we will follow PEMDAS to arrive at the correct answer so we have the following:
2.25 - 11j - 7.75 + 1.5j = 0.5j - 1 \\  - 9.5j - 5.5 = 0.5j - 1 \\  - 10j = 4.5 \\ j =  \frac{4.5}{ - 10}  = - 0.45
Based on calculations the correct answer is A
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EastWind [94]

When you have to describe a 3D shape you have to keep the following definitions in mind:

<em>1. The face of a 3D shape is a flat surface.</em>

The shape on the picture has 3 rectangular faces and 2 triangular faces, a total of 5 faces.

<em />

<em>2. The edge is where two faces meet.</em>

For the shape on the picture, there are 3 edges, where the rectangular faces meet each other, and then three edges where the rectangular faces meet each of the triangular faces, this shape has a total of 9 edges.

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6 0
1 year ago
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Aloiza [94]

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7 0
2 years ago
What is the solution to the system of equations
FromTheMoon [43]

Answer:

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8 0
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AlladinOne [14]
(a) 95 = (x+7)*(x-7)

(b) 95 = (x+7)*(x-7) 
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95-x² = -49
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Divide both sides by -1 to get rid of the negative numbers:
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x²=144
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x = ± squareroot of 144
x = 12 or -12
x = 12 because you cannot have a negative age so Trina is 12 years old.
     
7 0
3 years ago
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