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Luden [163]
2 years ago
8

Help please find the x

Mathematics
1 answer:
kobusy [5.1K]2 years ago
4 0

Step-by-step explanation:

a)

Two of the three interior angles are known. Both are equal to 55°. This can be seen by looking closely at the picture. To find the third angle subtract the other two from 360°

360\textdegree-55\textdegree-55\textdegree=x

b)

Do the same thing only afterward subtract the third angle from 180 to find the supplementary angle

360\textdegree-40\textdegree-28\textdegree=ans\textdegree\\180\textdegree-ans\textdegree=x

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Please solve this question.
andre [41]
  • <em>Answer:</em>

<em>x = - 2</em>

<em>y = 5</em>

  • <em>Step-by-step explanation:</em>

<em>Hi there ! </em>

<em>2x + 9 = y</em>

<em>y = - 4x - 3</em>

<em> </em>

<em>equality</em>

<em>2x + 9 = - 4x - 3</em>

<em>2x + 4x = - 9 - 3</em>

<em>6x = - 12</em>

<em>x = - 12 : 6</em>

<em>x = - 2</em>

<em>replace x = - 2</em>

<em>2(-2) + 9 = y</em>

<em>- 4 + 9 = y</em>

<em>y = 5</em>

<em>Good luck !</em>

<em />

<em />

8 0
3 years ago
I need help! Really bad a math.​
ankoles [38]

\\ \sf\longmapsto h(-18)

\\ \sf\longmapsto 15+\dfrac{-18}{6}

\\ \sf\longmapsto 15+(-3)

\\ \sf\longmapsto 15-3

\\ \sf\longmapsto 12

5 0
3 years ago
Read 2 more answers
Awnser please :((((((((((((((((((((
vfiekz [6]

Answer:

I believe it is: 6n+8+7y+4m

Step-by-step explanation:

You can't do anything about the numbers with variables afterwards, so you just list those and you just add and subtract the numbers without variables.  Since the top and bottom are the same, you just list it once.  Sorry, not the best explanation.  Please let me know if I am wrong.  It's been a while since I had to any type of algebra.

3 0
3 years ago
Rashid said he can find 52 × 10 by adding a 0 to the end of 52 to get 520.
SCORPION-xisa [38]

Answer:

42.95×10=429.5

Step-by-step explanation:

He is wrong, he should move the point to the right

42.95×10=429.5

4 0
2 years ago
What is the solution set of x2 + y2 = 26 and x − y = 6?
Viefleur [7K]
It works out that: y = 1 or 5 and therefore x = 5 or 1
4 0
3 years ago
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