Answer:
A) 0.39
Step-by-step explanation:
A=
r²=0.38925589615
<h3>
The error is -6 </h3>
Step-by-step explanation:
If a line passes through the points
and 
Then the equation of line is

Here given points are (-3,-7.5) and (2,-5)
Then the equation of the line is

⇔
⇔2.5(x+3) = 5(y+7.5)
⇔(x+3)= 2(y+7.5)
⇔x+ 3 = 2y +15
⇔2y = x+3-15
⇔y = 
⇔y = 0.5 x -6
The error is -6
Answer:
20:25
Step-by-step explanation:
add how many parts (4+5=9)
45/9=5
4*5=20, 5*5=25
therefore, 20:25
Answer:
5,9,10.
Step-by-step explanation:
The factors of 20 that I know of are 2,5,10
The possible square no. is below 10 that is, either 4 or 9
Using the above no's you can substitute to see which three give 24 as the sum, thus 5,9,10
Answer:
He would have 11/4 gallons of lemonade or 2 3/4
Step-by-step explanation: