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Triss [41]
3 years ago
12

What is the sum of the values in the data set? 13, 23, 21, 20, 21, 24, 18

Mathematics
1 answer:
Alborosie3 years ago
6 0
24 is the answer for your problem
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Please help. 10 points. Please do not guess. Guesses will be reported.
Alex73 [517]

The inscribed angle theorem says that

m\angle CAB=\dfrac12m\angle COB

Triangle AOC is isosceles because both AO and CO are radii of the circle and have the same length. This means angles CAO and ACO have the same measure and are congruent.

Angles ACO and COD are congruent because they form an alternating interior pair between the parallel lines AC and OD.

Taking all these facts together, we have

m\angle COB=2m\angle COD

and since angle COB is made up of angles COD and DOB, these angles must be congruent, and so the arcs they subtend (CD and DB, respectively) must also congruent.

3 0
3 years ago
plzzz help A model train is on a track 100 cm from its starting point. Turning a switch displaces the train either forward or ba
Ad libitum [116K]

Answer: B.  |x-100| = 25

Explanation:

Draw out a number line. Mark 75, 100 and 125 on the number line as points A, B, and C in that order. Don't worry about the spacing.

The value of x represents where the train is. So if we had say x = 85, then it would be at location 85 on the number line. Writing |x-100| is the distance from x to 100. The absolute value ensures the distance is never negative. We want this distance to be 25 because after traveling 25 cm, the switch is turned, and the train goes the other way.

6 0
3 years ago
Evaluate the expression 5(-3) using a number line.​
MArishka [77]

Answer: -15

Step-by-step explanation:

7 0
2 years ago
Read 2 more answers
An alloy of silver and gold is to be recast with an addition of silver. This new alloy consists of 80 ounces and is to have only
Liula [17]

Answer:

What percentage of gold is in the new alloy after the recasting? 4

Step-by-step explanation:

(80/5)*(1/5)/80=0.04

5 0
3 years ago
Simplify the expression 8x^-4 y^-8/-2xy^5 (Note ^ equals to the power of)
krek1111 [17]
-4/x^5y^13 because since you have negative exponents on the top you switch them to the bottom 
7 0
3 years ago
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