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Eva8 [605]
3 years ago
15

Please help Geometry!! Please help me with number 4, not sure how to answer it

Mathematics
1 answer:
lilavasa [31]3 years ago
4 0
All of the values follow the same formula rule. n= n x (n-1) / 2
Use this formula to find the number of segments. 
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Geometry i need help unit 10 assignment
Vladimir79 [104]

Answer:

20 senameters 2

Step-by-step explanation:

7 0
3 years ago
2 + 3(3x - 6) = 5(x - 3) + 15 I'm in Algebra 1 and I still can't seem to get this problem, I use Slader to find how to do this b
Wewaii [24]

Answer:

x = 4

Step-by-step explanation:

2 + 3(3x - 6) = 5(x - 3) + 15

Expand the parenthesis:

2 + 9x - 18 = 5x - 15 + 15

Simplify:

9x - 16 = 5x

Subtract 5x from both sides:

4x - 16 = 0

Add 16 to both sides:

4x = 16

Divide both sides by 4:

x = 4

7 0
2 years ago
Write this as an equation, then solve.
ANTONII [103]
19.5 in difference 
difference indicates that you'll be subtracting so 29 3/4 - 10 1/4 = 19.5

3 0
3 years ago
Heather measured a swimming pool and made a scale drawing. In real life, the pool is 45 meters long. It is 65 millimeters long i
oksano4ka [1.4K]
Greetings!

"<span>Heather measured a swimming pool and made a scale drawing. In real life, the pool is 45 meters long. It is 65 millimeters long in the drawing. What scale did Heather use for the drawing?"...

65mm=</span>45m<span>
Reduce to Simpliest Form.
</span>65/5=<span>45/5
13mm=9m

As a Representative Fraction (scale), it would look like: (in regards to mm)
13:9000

Hope this helps.
-Benjamin</span>
4 0
3 years ago
Plz helppp..........!!!!!!!!!!!
Setler [38]

Answer:

~ <em>50 centimeters of the poster ~</em>

Step-by-step explanation:

Let us plan out our steps, and solve for each:

<em>1. Given the information, let us create a proportionality as such:</em>

<em />

     5         =           1      ⇒   x - centimeters of the poster

     x                     10

<em>2. Now let us cross multiply, and solve through simple algebra for x:</em>

5 * 10 = x,

x =<em> 50 centimeters of the poster </em>

<em></em>

5 0
3 years ago
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