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3 years ago

Please help me answer this!!

Mathematics

1 answer:

Alex Ar [27]3 years ago

5 0

Answer:

SUPER SIMPLE =

if r//s then the two angles which in this case are 110 and 80 should be equal but clearly in this case are not so the the lines r and s arent parallel to each other .

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Polygons QRST and Q′R′S′T′ are shown on the following coordinate grid: A coordinate plane with two polygons is shown. Polygon QR

creativ13 [48]

As you can see from the picture you have:
to rotate point S about the origin by $90^0$ clockwise to form point S'';
to rotate point R about the origin by $90^0$ clockwise to form point R'';
to rotate point Q about the origin by $90^0$ clockwise to form point Q'';
to rotate point T about the origin by $90^0$ clockwise to form point T''.
Then you have to translate polygon Q''R''S''T'' 1 unit down.
Note that rotation $90^0$ clockwise is the same as rotation $270^0$ counterclockwise, so the correct answer is rotating $270^0$ counterclockwise about the origin and translating 1 unit down.

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3 years ago

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3 years ago

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Vladimir [108]

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3 years ago

139°<br> (17x + 3)<br> answer

nasty-shy [4]

Answer:

x= 8

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3 years ago

2(4 + 2x) ≥ 5x + 5? please help

ziro4ka [17]

2(4 + 2x) ≥ 5x + 5

First, we will need to expand our problem. Expanding is basically removing the parentheses. To do this, we will look at the first part of the problem to begin with. 2(4 + 2x). Since parentheses usually mean multiplication, we can start with 2(4). So, 2 × 4 = 8. We'll do the same thing with 2(2), 2 × 2 = 4.
$8 + 4x \ge 5x + 5$

Second, our next step is to subtract 4 from each side. We are trying to get the variable (x) on one side of the problem by itself.
$8 \ge 5x + 5 - 4$

Third, we can now simplify (5x) + 5 - (4). I put parentheses around what we are going to focus on. Subtract 5x - 4 to get 1, which can be put as the variable (x). Now we have, x + 5.
$8 \ge x + 5$

Fourth, let's subtract 5 from each side now. This will set up 8 - 5 which equals 3.
$3 \ge x$

Fifth, we can switch sides now to get the result of this problem.
$x \le 3$

Answer: $x \le 3$

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3 years ago