PLEASE HELP!!

Mathematics

1 answer:

Llana [10]2 years ago

7 0

The statement triangle BCD is a right angle triangle because an angle in a semicircle is a right angle option 1 is correct.

<h3>What is a circle?</h3>

It is defined as the combination of points that, and every point has an equal distance from a fixed point (called the center of a circle).

We have a diagram shown in the picture.

BC is the diameter of the circle.

Point B and Point C lies on the circle.

If a point D, which is unique from points B and C, is plotted on circle A.

Then the right angle triangle will be formed because an angle in a semicircle is a right angle.

Thus, the statement triangle BCD is a right angle triangle because an angle in a semicircle is a right angle option 1 is correct.

Learn more about circle here:

brainly.com/question/11833983

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Mike works in a toy store. One week, he worked 38 hours and made $220. The next week, he received a raise, so when he worked 30

garik1379 [7]

Answer:

$0.21

Step-by-step explanation:

Let x be the amount of money earned per hour before raise and y be amount of money earned per hour after raise.

We have been given that before raise he worked 38 hours and earned $220. We can represent this information as: $38x=220$

We are also told that the next week, he received a raise. After raise he worked 30 hours and made $180. We can represent this information as: $30y=180$ .