Part A: a percent decrease
part B: 12.5 percent decrease
The AWNSER to the question is .3
The surface are of the right cone is 176 sq.units. Option A) is the correct answer.
<u>Step-by-step explanation</u>:
<u>step 1</u> :
Radius of the cone, <em>r = 4</em>
Height or length of the cone,<em> h = 10</em>
<u>step 2</u> :
Total surface area of right cone = πrh + πr^2
= (π
410) + ( π4^2)
= 40π + 16π
= 56 π = 563.14
= 176 sq.units
Answer:
3.2
Step-by-step explanation:
0 = 2t - 8/5
8/5 = 2t
16/5 = t
3.2 = t
The correct answer is: "The y's because the coefficients are the same."
Further explanation:
we always try to eliminate the variable from the system of equations which involves lesser calculations and complexity.
Assuming that Given equations are:
Equation 1: 82x + 2y = 30
Equation 2: 70x + 2y = 24
we can see that the coefficients of x are very large and different. While the coefficients of y are same. We can only subtract the equations to eliminate y.
Hence,
The correct answer is: "The y's because the coefficients are the same."
Keywords: Linear equations, variables
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