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luda_lava [24]
2 years ago
15

Find the measure of arc EC.

Mathematics
1 answer:
miss Akunina [59]2 years ago
8 0

Answer:

50

Step-by-step explanation:

7x = (90 + 5x) \times  \frac{1}{2}

7x =   {2.5x} + 45

4.5x = 45

x = 10

Plug 10 in for x.

5(10) = 50

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MUST ANSWER ALL PARTS!!!!
dsp73
Hello there,

The outlier of the data set is 92. Lets first find everything with the outlier.
Mean: 60.08
Median: 57
Mode: 52 
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Now let's take out the outlier of the set and see the difference.
Mean: 54.27
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So as we can see without the outlier everything is closer together. The outlier shouldn't be included because that makes the entire set screwed up. The data is more accurate without the outlier.

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6 0
3 years ago
Ken's fitness member ship cost $100 to join plus a $25 monthly fee. Ken also used a coupon to get 10% off the monthly fee. What
GREYUIT [131]

The equation that models the total cost is y = 100 + 22.5m

Step-by-step explanation:

Fitness member ship cost = $100

Monthly fee = $25

Discount = 10% on monthly fee

To calculate new monthly fee after discount,  

25 - (25*10%) --> 25 - 2.5 --> $22.5

Number of months = m

Fee in m months = 22.5*m = 22.5m

<u>Equation:</u>

(c) is constant which is the membership fee

(x) is the monthly fee $22.5

(m) is the number of months

(y) is the total cost

So,

y = mx + c

y = m(22.5) + 100

y = 100 + 22.5m

Therefore, the equation that models the total cost is y = 100 + 22.5m

Keyword: Equation

Learn more about equations at

  • brainly.com/question/8955867
  • brainly.com/question/10708697

#LearnwithBrainly

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3 years ago
Identify the angles of rotational symmetry for the figure.<br> +<br> Rotational symmetry
lorasvet [3.4K]

Answer:

144

Step-by-step explanation:

7 0
3 years ago
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Please answer quickly. thanks in advance.
SOVA2 [1]

Answer:

KM=60°

Step-by-step explanation:

The average of arc LN and arc KM is equal to 110.

\frac{160+KM}{2} =110

160+KM=220

KM=60

8 0
2 years ago
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