Answer:
<h2>D</h2>WE ARE GOING TO USE THE COSINE RULE
Take the sides as shown in the picture as a,b and c . Substitute the side by using the cosine rule.
1 over cos means cos inverse.
ANSWER 33°
Keisha has a total of 90 coins all of which are either dimes or quarters the total value of the coins is $13.50 find the number
1 answer:
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Answer:
z = 105°
Step-by-step explanation:
See attachment.
1. The angle z plus 105° is equal to 180°, the straight line. Z must therefore be = 105°
2. Angles z and (15x + 45°) must be equal to 190°.
x is therefore equal to 4.
