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Andreas93 [3]
2 years ago
5

30+x+20=180 in Angle Sum Theorem

Mathematics
1 answer:
Svetlanka [38]2 years ago
6 0

Answer:

Step-by-step explanation:

30+x+20=180

50+x=180

x=180-50=130

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X=18+9/2y help <br> Me please
Nana76 [90]

Answer:

x = 18 + 9y/2

x-18 = 9y/2

(x-18)x2=9y

2(x-18)=9y

2(x-18) / 9 = y

y= 2(x-18)/9

Step-by-step explanation:

<em>Simplify 9/2y to 9y/2</em>

<em>Then Subtract 18 from both sides</em>

<em>Now Multiply both sides by 2</em>

<em>Then Regroup the terms</em>

<em>now divide both sides by 9</em>

<em>Then you will Switch sides</em>

4 0
3 years ago
Ms. Walker's class set up an online fund with a goal to raise $1,280 to go on a field trip. Ms. Walker starts the fund by deposi
madreJ [45]
What you can use for this case is a function of the potential type.
 We have then
 y = a (b) ^ x
 Where we have:
 Walker starts the fund by depositing $ 5
 a = 5
 Each week the balance of the fund is twice the balance of the previous week:
 b = 2
 The function is:
 y = 5 (2) ^ x
 The number of weeks to reach $ 1280 is 8 weeks.
 Check:
 y = 5 (2) ^ 8
 y = 1280
 Answer:
 An equation can be used to find the number of weeks, x, after which the balance of the fund will reach $ 1,280 is:
 y = 5 (2) ^ x
 The number of weeks that it takes to reach the class goal is
 8 weeks
4 0
3 years ago
Read 2 more answers
This subject is on integers
antoniya [11.8K]

Answer:

|-8| = 8

Step-by-step explanation:

legit just the opposite of the integer.

8 0
3 years ago
Triangle PQR has vertices (2,2) (5,-4) and (-4,-1). What type of triangle is triangle PQR
ale4655 [162]
It is a scalene triangle.
7 0
3 years ago
Question 3
Alja [10]

Answer:

i forgot sorry

Step-by-step explanation:

6 0
3 years ago
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