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LuckyWell [14K]
3 years ago
14

43 + (x -7) =90 find the value of x

Mathematics
2 answers:
tatiyna3 years ago
6 0
43 + x - 7 = 90

Subtract 36 (-43 +7) from each side

x = 54
iogann1982 [59]3 years ago
4 0
43 + (x-7) = 90
43x - 301 = 90
        +301    +301
43x = 391
43        43

x = 9.09 or 9

I hope this helps :)
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Can someone please tell me what range and domain is. and how to tell what an independent and dependent variable are please
Elis [28]

Answer: The dependent variable is the Y axis of a graph, or the side of the graph that is vertical. The independent variable is the X axis of a graph, or the side of the graph that is horizontal. Domain is the input of a mathematical function, and the range is the output!

Hope this helps :)

8 0
3 years ago
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Find the image of (-1,3) obtained by translating 2 units down, followed by a rotation of 270 degrees counterclockwise about the
slamgirl [31]

Answer:

[1, 1]

Step-by-step explanation:

Translation → [-1, 3] moves down to [-1, 1]

Now, a <em>90°-clockwise rotation</em> is the exact same as a <em>270°-counterclockwise rotation</em>, and according to the <em>270°-counterclockwise rotation</em> [<em>90°-clockwise rotation</em>] <em>rule</em>, you take the y-coordinate, bring it over to your new x-coordinate, and take the OPPOSITE of the x-coordinate and set it as your new y-coordinate:

<u>Extended Rotation Rules</u>

  • 270°-clockwise rotation [90°-counterclockwise rotation] >> (<em>x, y</em>) → (<em>-y, x</em>)
  • 270°-counterclockwise rotation [90°-clockwise rotation] >> (<em>x, y</em>) → (<em>y, -x</em>)
  • 180°-rotation >> (<em>x, y</em>) → (<em>-x, -y</em>)

Then, you perform your rotation:

270°-counterclockwise rotation [90°-clockwise rotation] → [-1, 1] moves to [1, 1]

I am joyous to assist you anytime.

7 0
3 years ago
PLEASEE HELPPP MEE WITH THIS QUESTION
77julia77 [94]

Answer:

A) It warned European countries not to make more colonies in the west.

According to Encyclopedia Britannica, two of the points made by the doctrine include that the Western Hemisphere was not an option for future colonization and that any attempt by a European power to take control of and/or oppress any country in the Western Hemisphere would be seen as an attack against the US.

Step-by-step explanation:

7 0
3 years ago
How do you connect the ideas of congruency and rigid motion and how do you prove congruency?
larisa86 [58]

If you cut a triangle out of a piece of paper, and move that triangle around (sliding, rotating, reflecting) then that triangle will retain its original shape and size. The three movement types mentioned are rigid motions. They do not change the size or shape of the triangle. If two triangles are congruent, then a sequence of one or more rigid motions can be applied to have them line up together.

7 0
3 years ago
Cody was 165cm, {cm}165cm tall on the first day of school this year, which was 10% taller than he was on the first day of school
strojnjashka [21]

Answer:

Cody was 148.5cm on the first day of school last year.

Step-by-step explanation:

10% = 0.1

165 x 0.1 = 16.5

165 - 16.5 = 148.5

8 0
3 years ago
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