Answer:
a = -31
Step-by-step explanation:
According to the question,
-6a + 7a = -31
a = -31
Answer:
For question 1.
Sin B= 3/7
CosB=5/7
Step-by-step explanation:
Sin: opposite over hypotenuse
Cosine: adjacent over hypotenuse
So it must have side length √<span>16 = </span>4 cm<span> and diagonal </span>length 4√2 cm<span>.</span>
You have to translate the triangle over to where point B is lined up with point B in the second triangle. Then you can reflect over the y-axis.
So...your answer should be...
Step 1:A.
Step 2:C.