Answer:
1
Step-by-step explanation:
A dilation of .1 or 1/2 would decrease the size. Since the numbers are smaller than zero the triangles would no longer be congruent. A dilation of 10 would increase the size of the triangle, causing the triangles to no longer be congruent. A scale fact of one is equivalent to the same size because 1 does not increase or decrease the size.
Answer:
The rate of discount of a lawnmower is 37,5%
Step-by-step explanation:
Sale price formula is
S = p - rp
where S = sale price,
r = discount percentage rate
p = the original price.
Isolating r
r= (p-S)/p
r= ($168- $105)/$168
r=0.375
r= 37,5%
Answer:
x = -2
Step-by-step explanation:
Find price per inch:
0.52 / 13 = 0.04 per inch.
Multiply cost per inch by inches:
0.04 x 34 = 1.36
It will cost $1.36 for 34 inches.
Answer:
12
Step-by-step explanation:
