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Harrizon [31]
3 years ago
15

The one gives the answer will be marked as the brainliest.......

Mathematics
2 answers:
Nadya [2.5K]3 years ago
7 0

Answer:

40

Step-by-step explanation:

The angles are around a point

We know that the sum of angles around a point add p to 360 degrees

Also, opposite angles are equal, which makes the angle opposite to 160 also 160.

Thus D = 360-(160+160) = 360-320 = 40 degrees

Hope this helps

tekilochka [14]3 years ago
7 0

Answer:40°

Step-by-step explanation: since, 180° is a straight line, the distance between 180 and 160 is 20… and the angle covers one 20 and another 20 as you can see. One to the top of the straight line and one to the down. So by adding both 20 we get 40°.

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75% of the normal price of headphones is 45$. What's the normal price?
Brums [2.3K]

Answer:

60$ is the normal price.

Why:

Because if 45$ is 75%, then 30$ is 50%, 15 is 25%, and 0 is 0%. 50% + 50% = 100%. (That's how I did this one, anyway. This works on any 25%, 50%, or 75% problem.)

4 0
2 years ago
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Answer:

B) Independent; the 1st marble selection will not affect the 2nd marble selection.

Step-by-step explanation:

When finding the probability of events in mathematics, we have both independent and dependent events.

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Dependent events are the opposite of Independent events. They are events that occur when the results or outcomes obtained from the second events is affected by the results or outcomes from the selection of the first events.

From the question, we can see that the first event is she picked one marble from the bag. The second event is she replaced the marble before picking another marble. By doing this, the total number of possible outcomes for the probabilities of both events remains the same and they are unaffected.

Therefore, we can say that the two events are Independent because the 1st marble selection will not affect the 2nd marble selection.

4 0
3 years ago
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Answer:

Range is always greater than zero.

Step-by-step explanation:

An exponential growth means that the growth rate of a given quantity increases exponentially.

The graph of an exponential function is shown below.

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