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lana [24]
2 years ago
14

In circle O. AD and BE are diameters. The measure of arc AB is 55° and the measure of arc CD is 25° B с F D E What is the measur

e of BC ? 090 O 110 O 100 O 80​

Mathematics
1 answer:
klemol [59]2 years ago
3 0

Answer:

100°

Step-by-step explanation:

the total of all angles around O on one side of AD is 180° (as that would represent a half-circle).

and the sum of the arc angles AB + BC + CD covers the whole 180°.

so, we have

180 = 55 + BC + 25

180 = 80 + BC

BC = 100°

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If you invent something, you have ____
tresset_1 [31]

Answer:

here are the definitions of each..

Step-by-step explanation:

Commence: begin; start

Devise: plan or invent (a complex procedure, system, or mechanism) by careful thought.

Originated: create or initiate (something).

Discover:find (something or someone) unexpectedly or in the course of a search.

so it cant be A of D so it would have to be B of C but i think the best answer is C

3 0
3 years ago
Read 2 more answers
The quadratic equation y = –6x2 + 100x – 180 models the store’s daily profit, y, for selling soccer balls at x dollars.
Norma-Jean [14]

Answer:

The point of intersections are (1.838, -16.49) and (8.16, 236.49).

The point (1.838, -16.49) represent that the loss for selling soccer balls equals loss for selling footballs when they are sold at a price of 1.84 dollars and the loss is $16.49.

The point (8.16, 236.49) represent that the profit for selling soccer balls equals profit for selling footballs when they are sold at a price of 8.16 dollars and the profit is $236.49.

Step-by-step explanation:

Given:

The daily profit expression for selling soccer balls is given as:

y=-6x^2+100x-180

The daily profit expression for selling footballs is given as:

y=-4x^2+80x-150

The graph is drawn as shown below. From the graph, the points of intersection of the two functions are (1.838, -16.49) and (8.16, 236.49).

Therefore, for selling price equal to 1.84 dollars, there is negative profit which means they will have loss. The daily loss for selling both soccer balls and footballs would be same and equal to $16.49.

For selling price equal to 8.16 dollars, there is positive profit. The daily profit for selling both soccer balls and footballs would be same and equal to $236.49.

7 0
3 years ago
If the sequence 1, 6, 7, 13, 20, ... were to follow the same pattern as the Fibonacci sequence, what are the next three terms?
Alex787 [66]

The Fibonacci sequence is generated by starting with the numbers 0 and 1 (or 1 and 1) and obtaining the next number by adding them together. All successive numbers are the sum of the previous two.

0 + 1 = 1

1 + 1 = 2

1 + 2 = 3

2 + 3 = 5

and so on.

For this sequence, we have

1 + 6 = 7

6 + 7 = 13

7 + 13 = 20

13 + 20 = 33

20 + 33 = 53

33 + 53 = 86

3 0
3 years ago
What is 350/100 written as a decimal and a percent?
jok3333 [9.3K]
350 is 100x3.5 so 350 is 3.5 as a decimal and 350%

3 0
3 years ago
Help? Is this true or false? Ill give brainliest
Tatiana [17]
It would be false i think
8 0
2 years ago
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