Answer:
x=2
Step-by-step explanation:
8x+4=20
Subtract 4 from each side
8x+4-4 = 20-4
8x =16
Divide by 8
8x/8 = 16/8
x=2
2cm over 21 km =14 mm
I simplify and got C= 147km square
hope it helps
Answer:
1) The square ABCD was dilated to form square A'B'C'D' using a scale factor of 1/2
2) The pair of polygons is not similar because their corresponding sides are not proportionals.
Step-by-step explanation:
1) Scale factor: f=?
f=Final dimension / Initial dimension
f=A'B'/AB=B'C'/BC=C'D'/CD=A'D'/AD
f=2/4
Simplifying the fraction dividing the numerator and denominator by 2:
f= (2/2) / (4/2)
f=1/2
2) Let's check the proportion between their corresponding sides:
AM/A'M'=(11 ft)/(9.4 ft)=1.17
HT/H'T'=(11 ft)/(9.4 ft)=1.17
HM/H'M'=(10 ft)/(8.4 ft)=1.19
AT/A'T'=(10 ft)/(8.4 ft)=1.19
AM/A'M'=HT/H'T'=1.17 but different to 1.19=HM/H'M'=AT/A'T'
Then, the pair of polygons is not similar
The soda was $1.00.
Hot Dog- $3.50
Peanuts- $4.00
3.50+4.00= 7.50
Total paid is $11.50-$7.50= $4.00-$3.00(coupon)= $1.00
