Answer:
9
Step-by-step explanation:
The reason why that is wrong is because it says in terms o pi which means you do NOT multiply pi by the radius squared.
EQUATION FOR AREA OF A CIRCLE: 
When you put it all together you get: 
which equals 
DO NOT MULTIPLY 9 AND PI. IT'S JUST 9
hope this helped :)
Answer:
it depends
Step-by-step explanation:
to be honest with you
Answer:
153.86 inches²
Step-by-step explanation:
How do we find the radius of a circle?
- The radius of a circle is 1/2 of the diameter, so 14/2 = 7 inches
How do we find the area of a circle?
- We can find the area of a circle by using πr², where r = radius. We're given the radius as 7 inches and pi as 3.14.
<u>Solving</u>
Therefore, the answer is 153.86 inches².
Have a lovely rest of your day/night, and good luck with your assignments! ♡
Answer:
x = -1
y = 5
Step-by-step explanation:
x+y=4
3x+7y=32
<em><u>To solve a pair of equations using substitution, first solve one of the equations for one of the variables. Then substitute the result for that variable in the other equation.</u></em>
x+y=4,3x+7y=32
<em><u>Choose one of the equations and solve it for x by isolating x on the left hand side of the equal sign.</u></em>
x+y=4
<em><u>Subtract y from both sides of the equation</u></em>.
x=−y+4
<em><u>Substitute −y+4 for x in the other equation, 3x+7y=32.</u></em>
3(−y+4)+7y=32
<em><u>Multiply 3 times −y+4.</u></em>
−3y+12+7y=32
<em><u>Add −3y to 7y.</u></em>
4y+12=32
<em><u>Subtract 12 from both sides of the equation</u></em>.
4y=20
<em><u>Divide both sides by 4</u></em>.
y=5
<em><u>Substitute 5 for y in x=−y+4. Because the resulting equation contains only one variable, you can solve for x directly.</u></em>
x=−5+4
<em><u>Add 4 to −5.</u></em>
x=−1
Answer:
Your answer is Jacob had $1.40 left
