Answer:
-14251
General Formulas and Concepts:
<u>Pre-Algebra</u>
Order of Operations: BPEMDAS
- Brackets
- Parenthesis
- Exponents
- Multiplication
- Division
- Addition
- Subtraction
Step-by-step explanation:
<u>Step 1: Define</u>
<em>Identify.</em>
<em>x</em> = 3
<em>y</em> = 28
xy - 538y + x⁶
<u>Step 2: Evaluate</u>
- Substitute in variables: 3(28) - 538(28) + 3⁶
- [Order of Operations] Exponents: 3(28) - 538(28) + 729
- [Order of Operations] Multiply: 84 - 15064 + 729
- [Order of Operations] Subtract: -14980 + 729
- [Order of Operations] Add: -14251
Answer:
First, you have to find out the surface area of the box
=> Sbox = 10 x 5 x 2 + 10 x 8 x 2 + 5 x 8 x 2 = 340
Denote Surface area of the ball as Sball, we have:
Sball + Sbox = 352.56
=> Sball = 352.56 - Sbox = 352.56 - 340 = 12.56
From the formula to calculate Sball, we have:
4 x pi x radius^2 = 12.56
=> radius^2 = 12.56/(4 x pi) = 1 (here, pi = 3.14)
=> radius = 1 in
Hope this helps!
:)
You would first write a proportion like this:
15 over 20 = x over 16
Cross multiply 15 times 16 and 20 times x.
15 times 16 = 240. 20 times x = 20x.
Divide both sides by 20.
240/20 = 12
x = 12
The slide tree is 12 feet tall.
Answer:
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Step-by-step explanation: