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Dimas [21]
3 years ago
15

∠C

Mathematics
2 answers:
Diano4ka-milaya [45]3 years ago
7 0

m∠C=m∠Dx=−3x+804x=80x=20

m∠C=x∘<em>=20∘</em>

earnstyle [38]3 years ago
5 0
I’m asking the same question please help us!!! Thank you
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Please help please help please
Nady [450]

Answer:

566

Step-by-step explanation:

566

6 0
3 years ago
Find the x-coordinate of the vertex of the graph of the equation y=-3x^2+6x+2
Ivanshal [37]
Consider, pls, this solution:
according to the equation y= -3x²+6x+2, where a=-3, b=6 and c=2, and the rule x₀= -b/(2a):
<u>x₀=</u>-6/(-6)<u>=1</u>.
For more info see the attached graph.

4 0
3 years ago
M(-1, 13) is the midpoint of segment RS. The coordinates of S are (4, 12). What are the coordinates of R? *
Cerrena [4.2K]

Answer:

  • R = (-6, 14)

Step-by-step explanation:

<h3>Given </h3>
  • Segment RS and midpoint M(-1, 13)
  • S = (4, 12)
  • R = ?
<h3>Solution</h3>

<u>Midpoint formula</u>

  • x = (x1 + x2)/2 and  y = (y1 + y2)/2

<u>Coordinates of point R</u>

  • -1 = (4 + x)/2 ⇒ 4 + x = -2 ⇒ x = -6
  • 13 = (12 + y)/2 ⇒ 12 + y = 26 ⇒ y = 14
  • R = (-6, 14)
8 0
3 years ago
Hey! I am stuck on this question anyone mind helping me? and tysm for the people who helped me! &lt;3 have a nice day!
Andrej [43]

Answer: 166 2/3m

Step-by-step explanation:

Area of a rectangle = length times width

Length: 16 2/3

To find the width, multiply it by 3/5.

w = 16 2/3 ·  3/5

w = 10

Then, multiply the length by the width.

a = l · w

a = 16 2/3 · 10

a = 166 2/3m

4 0
3 years ago
Factorise X Squared +13+12
Norma-Jean [14]

Answer:

\left(x+1\right)\left(x+12\right)

Step-by-step explanation:

x^2+13x+12

x^2+12x+1x+12

x(x+12)+1(x+12)

\left(x+1\right)\left(x+12\right)

7 0
3 years ago
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