Given triangle ABC = triangle DEF find AB and m PLSSSSSS HELP
1 answer:
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Answer:
Lavania observed 39 fruit flies after 6 days of observation
Step-by-step explanation:
Let x be the number of fruit flies on the first day of Lavania's study.
After 6 days she had nine more than five times as many fruit flies as when she began the study.
Five times as many fruit flies as when she began the study = 5x
Nine more than five times as many fruit flies as when she began the study=5x+9
The expression to find the population of fruit flies Lavania observed after 6 days is 5x+9
If she observes 20 fruit flies on the first day of the study, then x=6, then
Answer:
see explaination
Step-by-step explanation:
1) Lets form the regression equation from the data results
Size = -1.633+ 0.4485*FamilyIncome + 4.2615*FamilySize - 0.6517*Education
-1.633+ 0.4485*40+ 4.2615*4 - 0.6517*13 =24.88
2) For the model to be reasonable, we must check the significant F stat from the anova table( see attachment)
From the table at attachment we can deduce; as the significant F is less 0.01 , we can safely conclude that the model is signifcant
3) all variables that have a p value less than 0.01 can be safely removed from the model as they do not contribute sigificantly from the model
so education can be removed from the model
Answer:
Computing the 6-Point DFT of x(n), where X = 0,1,2,3,4,5
x(0) = 11
x(1) = 21/8 -j13/8
x(2) = 27/8 + j33/32
x(3) = 1139/256 + j91/256
x(4) = 4389/1024
x(5) = 4.14685 - j1379/8192
Step-by-step explanation:
See the picture for workings.
Given X(n) = { 4, -1, 2, 5, -2, 3}
Six point DFT implies that N = 6
Step 1 = write out equation X(k)
Step 2 = substitute "Wn" in the equation X(k) to give a new equation
Step 3 = when N=6, substitute for "N" in the new equation and simplify the new X(k) equation.
Step 4 = use 0, 1, 2, 3, 4, 5 in finding the DFT
Answer:
Select one of the two bottom statements which both read "To find the y-intercept, begin at the origin and move vertically to the graphed line. To find the slope, use two ordered pairs on the line and substitute into the equation ."
Step-by-step explanation:
The y-intercept of a function is the point where the graph intersects the y-axis. Since the y-axis is the vertical line through the origin, we can start at the origin (0,0) and move up or down to where the line crosses the axis. This (0,y) point is the y-intercept. It is always (0,y) because it is located on the y-axis where x=0.
The slope of a function of a function is the rise/run or rate of change of the function. It can be seen on the graph of a line between any two coordinate pairs of the line. We know it as the variable m in linear function equations. To find it using an equation, we chose the point-slope form y. We substitute two coordinate pairs from the line for
to find the missing value m or slope of the line.