Answer:
Step-by-step explanation:
To find the area of a rectangle you use the formula: A= lw
** l is length and w is width
For figure A and C, they're rectangles, so you multiply the length and the width to get the area:
Fig. A )A=lw
= (4)(4)
= 16
For figures B and D, you use the formula: A= bh/2
**B is the base and h is the height
Fig. D) A=bh/2
= 6(4)/2
= 12
Answer:
(x+5)^2 = 1
Step-by-step explanation:
x^2+10x+24 = 0
Subtract 24 from each side
x^2+10x+24 -24 = 0-24
x^2+10x = -24
Take the coefficient of x
10
Divide by 2
10/2 =5
Square it
5^2 = 25
Add it to each side
x^2+10x+25 = -24+25
Take the coefficient divided by 2 inside the factor
(x+10/2) ^2 = -24+25
(x+5)^2 = 1
New price = old price *(1+increase%)
=130(1+300%)
=130(1+3)
=130(4)
=520
C. It is always a rational number. You cannot determine its sign without knowing the values of a and b.