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Angelina_Jolie [31]
2 years ago
15

3. Solve the following questions.

Mathematics
1 answer:
kykrilka [37]2 years ago
5 0

Answer:

3a. x=8 3b. x=4 4a. 7 4b. -13.5

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Find the angle sum of the irregular polygon using the formula S= 180(n-2).
lesya [120]

Answer:

  720°

Step-by-step explanation:

The "n" in the formula refers to the number of sides. The polygon shown has 6 sides, so the sum of interior angles is ...

  S = 180°(6 -2) = 720°

7 0
3 years ago
How to write 5(2x+1)(x+1) in standard form explain....?
earnstyle [38]

1.So the problem "y=2x+5" is in standard form and no modification is necessary. For a parabolic equation, the standard form is y = a(x - h)^2 + k, from which direction (polarity of "a") and axis of symmetry (value of "h"), etc.

2.Ax + By + C = 0 or Ax + By = C.

6 0
2 years ago
Read 2 more answers
What is angle DCE?<br><br> A. 34<br> B. 85<br> C. 102<br> D. 98
s2008m [1.1K]
The red line is 180 degrees. So the arcs on top of the circle all equal up to 180 degrees. the number 72 doesn't really matter cause you're trying to find out the angle of DCE which is on the other side of the circle. So you gotta find the arc length of DE which is 68 because 180-112=68. So to find the angle, you have to divide the opposite arc length by two, which is 34. 

ANSWER: A. 34. you're welcomee!!

8 0
3 years ago
Read 2 more answers
Type the correct answer in the box. Use numerals instead of words. What value of x satisfies this equation? log2 (6x – 8) – log2
netineya [11]

Answer:

Espero te sirva

Step-by-step explanation:

Suerte ******'**

6 0
2 years ago
Priya completed 9 exam questions. This is 60% of the questions on the exam.
Naily [24]
A and B.

60/100 • p = 9 will give you 60 % of the test questions

0.6p = 9 will also give you 60% of the test questions

60 - p = 9 will take away 60 questions from the test making it wrong

60+p = 9 will add 60 questions to the test making it wrong

9+p = 60 will add 9 questions to the test making it wrong
8 0
3 years ago
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