Answer:
47 I believe
Step-by-step explanation:
Answer:
b) 10 to 20
Step-by-step explanation:
You have to multiply each of the given numbers by 4, and add 8 to that result.
So:
And 60 is between the result of <u>10 and 20</u>, so that's the interval you have to select.
<em>The correct answer is b) 10 to 20</em>
Answer:
75.187 $
Step-by-step explanation:
I did it this way:
65.38$ : 100% = X : 115%
100X = 65.38 x 115
100X = 7518.7
X = 7518.7 ÷ 100
X = 75.187
Answer:
yes
Step-by-step explanation: Because by simplifying down 2/8 you get 1/4 to do that you just divide the numerator and the denominator by 2 therefore they ate the same amount
Area of ABC : AB*AC/2
the maximum of the parabola is reached at x=-4/(2*(-1))=2 hence A is at (2,0) and B is at (2,(-2)^2+4*2+C)=(2,12+C)
C is the second root (x-intersect), which we can find :
determinant1 : D=16-4*(-1)*C=4(4+C) thus the second root is at x=
Hence the area of the triangle is
hence
.
We remark that
Hence 4+C=16 thus
C=12