3. A cylindrical water heater in your garage is 4 feet tall and 30 inches in diameter. To save money on the electric bill, you have decided to cover the lateral surface and the top with an insulation material (bottom cannot be covered because tank too heavy to lift). Insulation is sold by the square foot and costs $0.50 per square foot. What is the cost of insulting the water heater? The surface area is about the nearest 10th, so at least needed (rounding up to the nearest whole square., foot). Therefore it will cost about $ insulate the heater. square feet to square feet are to

Q: 2) folve 27 L1 J2-5 -2z -J3

A: solve2z+1-2z-3=2-i3

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A: Explanation and solutions is given below....

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A: Here I am attaching image so that you understand each and every step.

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A: n1=80, x1=64 n2=60, x2=39 X: people got sick 1: Ate fish 2: Did not eat fish

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Percentage

A percentage is a number indicated as a fraction of 100. It is a dimensionless number often expressed using the symbol %.

Algebraic Expressions

In mathematics, an algebraic expression consists of constant(s), variable(s), and mathematical operators. It is made up of terms.

Numbers

Numbers are some measures used for counting. They can be compared one with another to know its position in the number line and determine which one is greater or lesser than the other.

Subtraction

Before we begin to understand the subtraction of algebraic expressions, we need to list out a few things that form the basis of algebra.

Addition

Before we begin to understand the addition of algebraic expressions, we need to list out a few things that form the basis of algebra.