3 inside angles need to = 180, since it is a right triangle, the bottom left angle = 80 so the other 2 angles need to equal 90 degrees
so you have:
(8x+2) + (9x+3) = 90
combine like terms to get:
17x+5 = 90
subtract 5 from both sides:
17x = 85
divide both sides by 17
x = 85/17 = 5
x = 5
They are correct but .......only (0,5) is a right triangle
So ratio si 2 to 9 or 2:9
so 12 cups of rasins to x cups of trail mix
ratio is 12 to x or 12:x
it has to be the same ratio so makek fractions and
2/9=12/x
solve for x
mulitply both sides by x
2x/9=12
multiply both sides by 9
2x=108
divide by 2
x=54
answer is 54 cups of trail mix
Answer:
<u>-The independent variable is whether the motivational signs were posted, and the dependent variable is the amount of use of the stairs.</u>
<u>-Nominal scale. </u>
Step-by-step explanation:
<u>Independent variable:</u> In research methods, the term "independent variable" is described as the variable that is being altered, manipulated, or changed by an investigator to see its effects on the dependent variable in specific research or experiment.
<u>Dependent variable: </u>In research methods, the term "dependent variable" is described as the variable that is being measured, analysed, or tested in an experiment by the experimenter or researcher. The dependent variable is being directly affected by the independent variable.
<u>Nominal scale:</u> In research methods, the term "nominal scale" is determined as one the different measurement scales in which a specific number is being served as labels or tags only and to classify and identify an object.
Answer:
see the attachment photo!
