Math Problem Statement
Solution
Let's go over the questions from your uploaded image:
Simplify each expression:
3)
- Distribute the constants:
, , , and .
This gives:
. - Combine like terms:
, and .
So the simplified expression is:
4)
- Distribute the constants:
, , , and .
This gives:
. - Combine like terms:
, and .
So the simplified expression is:
Evaluate. Given and :
5)
- Substitute the values:
and , so:
.
6)
- Substitute the values:
and , so:
.
Word Problems:
7) Two times the sum of a number and three is equal to eleven.
- Set up the equation:
. - Solve for :
, so , and .
8) The voltage is equal to amperage times the resistance .
- This describes Ohm's Law:
9) Distance is equal to the product of rate and time.
- The formula for distance is:
10) The perimeter of an isosceles triangle is equal to the base added to twice the length of one of the legs .
- The formula for the perimeter of an isosceles triangle is:
Let me know if you'd like more detailed steps or explanations on any of these!
Here are 5 questions based on this material:
- How do you distribute a negative constant when simplifying expressions?
- What happens to the absolute value when evaluating expressions like in problem 5?
- What kind of triangle does the formula in problem 10 apply to?
- How does combining like terms work when both constants and variables are involved?
- How would you solve for the current in Ohm’s law if and are known?
Tip: Always start by simplifying inside parentheses first before distributing or solving any expressions!
Ask a new question for Free
By Image
Drop file here or Click Here to upload
Math Problem Analysis
Mathematical Concepts
Algebra
Simplifying Expressions
Absolute Value
Word Problems
Ohm's Law
Geometry
Formulas
V = IR (Ohm's Law)
d = r * t (Distance formula)
P = b + 2l (Isosceles triangle perimeter)
Theorems
-
Suitable Grade Level
Grades 7-9
Related Recommendation
Solutions to Basic Arithmetic and Algebraic Equations with Unit Conversions
Solving Algebraic Expressions and Equations with Perimeter and Area Calculations
Expressions and Equations Worksheet with Linear Equations and Inequalities
Solving Absolute Value and Linear Equations from Exercises 9–38
Solve Algebraic Expressions and Fractional Equations