First you need the size of an angle QPR = B = 180° - 123°
Lenght of QP = 10cm
QR = x
QP = r
x² = r² + r² - 2r² × cosB
B -23 because adding two negatives keeps the negative on. So add the numbers like positives and then re-add the negative back on
Answer:
a. 3.6
b. 42.5%
Step-by-step explanation:
a. 180/100 = 1.8
1.8 times 2 (since it's 2%) gives us 3.6
B. 17/40 is 42.5
Following are the dependent variables:
<em>1. The amount of water that each orchard receives.</em>
<em>2. The species of trees in the orchard.</em>
Reason:
The exercise scientist is looking for the effects of a chemical between an apple crop to which it is administered and another to which it is not, 4 options are presented, of which it is essential to count as a variable the amount of water each Orchard and tree species in the orchard, since they can generate alterations in the results, the other two variables of the exercise such as number of apples and size of the orchards are not significant and their variations do not affect the scientist's objective.
Learn more about Dependent Variable on:
brainly.com/question/1670595
#SPJ4
