Answer:
x=3
Step-by-step explanation:
This is a proportional equation:
Given: x/9=9/27
Cross-multiply: 27x=81
Divide: x=3
So x=3
Answer:
They all make a shape and the perimeters are the same but being doubled each time. They can make parallelograms. As a triangle is added they have at least one parallel side.
Step-by-step explanation:
Answer:
0.2222222...
Step-by-step explanation:
Long division or just googl
Answer:
No; the absolute value of a negative number is equal to its opposite
Step-by-step explanation:
Answer:
10.51 units
Step-by-step explanation:
Circumference of a circle is given by
C=2πr
Where r is radius and C is the circumference.
Substituting 3.14 for π, 65.98 for C then
65.98=2*3.14*r
Making r the subject of the formula then
r=65.98÷(2*3.14)=10.506369426751
Rounding off, r=10.51 units ( nearest hundredths)
