3 years ago

Determine the slope of the line that contains the points (0, 2) and (-5, 1).

1 answer:

7 0

0.2 should be your answer

Use this formula to solve slopes:

m = (y2 – y1) / (x2 – x1)

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What is 8 - 4k = 40

olya-2409 [2.1K]

8-4k=40
-4k=32
k=-8 is the answer

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3 years ago

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Seven students cut 5 and three-fourths inches of thread from a spool for a school project. What number represents the change in

dalvyx [7]

Answer:

-40 1/4

Step-by-step explanation:

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What set of transformations is performed on triangle RST to form triangle R’S’T’?

ra1l [238]

Answer:

D. A translation 2 units down followed by a 270-degree counterclockwise rotation about the origin

Step-by-step explanation:

The given triangle has vertices at R(3,4), S(1,1), and T(5,1)

Translating the the vertices down by 2 units, we apply the rule;

$(x,y)\to (x,y-2)$

$\implies (3,4)\to (3,2)$

$\implies (1,1)\to (1,-1)$

$\implies (5,1)\to (5,-1)$

Rotating the resulting vertices through an angle 270 degrees counterclockwise, we apply the rule:

$(x,y)\to (x,-y)$

$\implies (3,2)\to R'(2,-3)$

$\implies (1,-1)\to S'(-1,-1)$

$\implies (5,-1)\to T'(-1,-5)$

Therefore the correct choice is D.

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3 years ago

Very important question ☺️

steposvetlana [31]

Answer:

130° is the correct answer

∠QPR=80°

∠PQR+∠QPR+∠QRP=180°

∠PQR+∠QRP=100°

2(x+y)=100°

x+y=50°

So, in △QOR

x+y+∠QOR=180°

∴∠QOR=180°−50°

=130°

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3 years ago

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Pythagorean theorem please help

MakcuM [25]

Answer:

4√73

Step-by-step explanation:

x^2= 12^2 + 32^2

x^2= 144+ 1024

x^2=1168

x= 4√73

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3 years ago