Answer:
a) Prepare a frequency table for the data
Step-by-step explanation:
Answer:
390 ft²
Step-by-step explanation:
The longer base of a trapezoid is 8 ft. The longer base of a similar trapezoid is 13 ft. The area of the smaller trapezoid is 240 ft² What is the area of the larger trapezoid?
We solve the above question using proportion
(Longer base/Area of trapezoid) smaller trapezoid = (Longer base/Area of trapezoid) bigger trapezoid
Let the the Area of the bigger trapezoid = x
Hence,
= 8ft/240ft = 13ft/x ft
Cross Multiply
8ft × x = 240ft × 13ft
x = 240ft² × 12 ft/8 ft
x = 390 ft²
1. Total age of people in the room
40 x 6 = 240
Total age after a person age 30 left the room
240 - 30 = 210
since there are 5 people left in the room,
210 ÷ 5 = 42
42 is the new mean.
2. Not possible
The median would be 13.5 because that's the middle of all the numbers lined up from smallest to largest and the mean would be 12.7 because that's all the numbers added up divided by how many numbers there are
X=2
You first solve for y on the other equation 6x+3y=15 which will be: y=5-2x
Then you make it one equation: 3x-5=5-2x
Third step is add the -2x with the 3x which is will be 5x.
Fourth: your new equation will be 5x-5=5
Next u would add 5 plus which is 10
Lastly your new equation is 5x=10
I honestly hope this helps !!!!
