4/5 a mile
2/10 time 10=20/100
20/100+ 60/100=80/100 or 4/5
Answer:

Step-by-step explanation:
Let
represent the real numbers.
For the first part, all real numbers less than or equal to 9 in algebra is
.
For the second part, all real numbers greater than or equal to 7 in algebra is
.
To combine both inequalities, it would become
.
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If not your answer is A
Answer:
c. 4y -x = 8
Step-by-step explanation:
Each of the equations can be put into slope-intercept form (solved for y) as follows:
a: y = 4x +9
b: y = 4x -8
c: y = (1/4)x +2
d: y = 4x -4
___
The equations containing the term "4x" all describe parallel lines. The equation containing (1/4)x describes a line that intersects the given line. It is not parallel to the others.
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)