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aksik [14]
3 years ago
12

Determine if the solution set for the system of equations shown is the empty set, contains one point or is infinite.

Mathematics
2 answers:
Assoli18 [71]3 years ago
5 0

first \ equation \ x + 2y = 0\\x = -2y\\Second equation \ 2x +4y = 0\\2(-2y)+4y = 0\\-4y + 4y = 0\\

only one solution

Nesterboy [21]3 years ago
4 0

Answer:

coincident

Step-by-step explanation:

x + 2y = 0

2x + 4y = 0   This equation, is you divide through by 2, gives you x + 2y = 0

∴ these equations are the same which means there are an infinite number of solutions; these equations, if graphed, would produce <u>coinciding lines</u>

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Step-by-step explanation

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3 years ago
Expand and combine like terms. (7m6 + 6)(7m6 – 6)
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4 years ago
Plot triangle ABC on graph paper with points A(2,2). B(-2, -2) and C(8, -2).
bonufazy [111]

9514 1404 393

Answer:

  a) The new triangle is a reflection of the original across the origin. All angles, segment lengths, and line slopes have been preserved: the transformed triangle is congruent with the original.

  b) The new triangle is a reflection of the original across the origin and a dilation by a factor of 2. Angles have been preserved: the transformed triangle is similar to the original. The transformation is NOT rigid.

Step-by-step explanation:

1. The transformed triangle is blue in the attachment. It is congruent with the original. The transformation is "rigid," a reflection across the origin. All angles and lengths have been preserved, as well as line slopes.

__

2. The transformed triangle is orange in the attachment. It is similar to the original, in that angles have been preserved and lengths are proportional. It is a reflection across the origin and a dilation by a factor of 2. Line slopes have also been preserved. A dilation is NOT a "rigid" transformation.

4 0
3 years ago
Joe went to a hobby shop and bought two sports cars at 8.95 each other paints if he sent a total of 23.65 what was the cost of t
Andrews [41]
8.95 x 2 = 17.90
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7 0
3 years ago
Find the percent of decrease from 280 to 210. Round to the nearest tenth of a percent, if necessary.
Vlada [557]
To find the decreased percentage,here's what we can do:
\frac{originl \: value - new \: value}{originl \: value}  \times 100\%

In this case,the eqaution would be:
\frac{280 - 210}{280}  \times 100\% \\  =  \frac{70}{280}  \times 100\% \\  =  \frac{1}{4}  \times 100\% \\  = 25\%
Hope it helps!
5 0
4 years ago
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