The formula for area of a circle is π x r^2
r = radius = 7 cm.
Area = 7^2 x π
Area = 49π cm²
Answer:
The answer is B
Step-by-step explanation:
Because 3 1/5 as a decimal is 3.2
So 3.2 x 7 = 22.4
converted to a fraction is 11 2/5
and 22 2/5 simplified is 11 2/5
Answer:
63 ft
Step-by-step explanation:
Multiply your yard value by 3 to find it's value in feet.
<em>(Remember that 1 yard = 3 feet.)</em>
21<em>y</em> x 3 = 63<em>ft</em>
Since you are subtracting 11 on the side with the variable, you have to add it on the other side. 17+11=28. Then, to solve the problem you are left with, 7c=28. You are multiplying on the side of the variable, so you divide 28 by 7. Your answer to the problem is C=4 i hope this helps
Answer:
System a will graph a pair of parallel lines.
Step-by-step explanation:
Both equations have the same slope.
