The new cube will have 7 surfaces: 4 equal square sides, 2 square surface with a hole, and one hole surface.
Area (A1) of 4 square surfaces = 4*L*W = 4*4*4 = 64 cm^2
Area (A2) of the two surfaces wit a hole = 2(L*W - 2πd^2/4) = 2(4*4-π*2^2/4) = 25.72 cm^2
Area (A3) of the hole = πD*W = π*2*4 = 25.13 cm^2
Total surface area, A = A1+A2+A3 = 64+25.72+25.13 = 114.85 cm^2
Answer:
Birds = 17 and Cats = 11
Step-by-step explanation:
Look at pic below I hope this helps! :)
Answer:
D) 5.5%
Step-by-step explanation:
To find the interest rate, use the equation: I = prt
I = Interest = $6,600
p = principal = $15,000
r = rate = unknown
t = time = 8 years
Now plug the numbers into the equation.
6,600 = 15,000 * r * 8
6,600 = 120,000 * r
Now isolate the variable by dividing both sides of the equation by 120,000.
0.055 = r
Now change the rate to a percent by moving the decimal point 2 digits to the right.
5.5% = r OR r = 5.5%
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(1/2,4) because that is where the two lines meet.
Answer:
$93
Step-by-step explanation:
If he earns $7.75 a day, and he walks dogs for 12 days, you just have to multiply 7.75 by 12, which is 93. That means he gets $93.
