All together the three girls earned $7.65.
Answer:
Angle L*; 67.5 degrees
Angle S*; 22.5 degrees
Step-by-step explanation:
Angle L is 3 times bigger than Angle S.
With this information, we can make an equation.
L=3S
Complementary angles add up to 90 degrees.
90 = 3S + S
90 = 4S
22.5
Angle S equals 22.5.
Because Angle L is 3 times bigger than Angle S, we multiply 22.5 by 3.
This gives us 67.5.
Angle L is 67.5 degrees
Angle S is 22.5 degrees
Now, in order to check our work, we add the two angles together.
67.5 + 22.5 = 90
Because they add up to 90 degrees, the complementary angles work with each other meaning that we are correct
*Angle L is the larger angle
**Angle S is the smaller angle
Answer: Stratified Random Sample
Step-by-step explanation:
The sample is a stratified random sample in the sense that each of the population that was sampled consisted of the necessary groups that need to be considered in their right proportion of representation which makes the sample valid for us to reasonably draw a conclusion of what to expect in the larger sample space. This sample favours every possible member of the population and helps us adequately plan for all
Answer:
y = 0
Step-by-step explanation:
Plug in 28 for x. Solve for the equation:
x + 3y = 28
(28) + 3y = 28
Isolate the variable, y. Note the equal sign, what you do to one side, you do to the other. Do the opposite of PEMDAS. First, subtract 28 from both sides:
28 (-28) + 3y = 28 (-28)
3y = 0
Isolate the variable, y. Divide 3 from both sides:
(3y)/3 = (0)/3
y = 0
y = 0 is your answer.
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Answer:
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