Answer:
answer = 7000
Step-by-step explanation:
let the number be X
therefore, 91% × X = 637
or. 91 / 100 × X = 637
or. x = 637 × 100 ÷ 91
or. x = 700
The exponent of 0 makes everything equal to 1
Answer:
7.99
General Formulas and Concepts:
Order of Operations: BPEMDAS
- Brackets
- Parenthesis
- Exponents
- Multiplication
- Division
- Addition
- Subtraction
Step-by-step explanation:
<u>Step 1: Define</u>
x² + 3x
x = 1.7
<u>Step 2: Solve</u>
- Substitute: 1.7² + 3(1.7)
- Exponents: 2.89 + 3(1.7)
- Multiply: 2.89 + 5.1
- Add: 7.99
Answer:
b = 4.4 feet
Step-by-step explanation:
To find the value of "b", all you need to do is plug the values for "a" and "c" into the pythagorean Theorem and isolate "b".
a² + b² = c² <------ Phythagorean Theorem
9² + b² = 10² <------- Plug in a = 9 and c = 10
81 + b² = 100 <-------- Square both values
b² = 19 <-------- Subtract 81 from both sides
<-------- Square root both sides to remove exponent
b = 4.358...
b = 4.4 feet
Answer:
y = 5
Step-by-step explanation:
Step 1: Write equation
-(4y + 2) - (-3y - 6) = -1
Step 2: Solve for <em>y</em>
- Distribute: -4y - 2 + 3y + 6 = -1
- Combine like terms: -y + 4 = -1
- Subtract 4 on both sides: -y = -5
- Divide both sides by -1: y = 5
Step 3: Check
<em>Plug in y to verify it's a solution.</em>
-(4(5) + 2) - (-3(5) - 6) = -1
-(20 + 2) - (-15 - 6) = -1
-22 - (-21) = -1
-22 + 21 = -1
-1 = -1
