Algebra 1

posted by .

7) Use cummutative law to find an equivalent expression.
73+yz
Answer: 73(y+z) I know this one is wrong but I cannot figure out how to do the problem.

8) Simplify
6[5-9(3-1]
Answer: -70

10)The formula b=30a is used in New England to estimate the minimum furnace output, b, in BTU's for a modern house with a square feet of flooring.
A) determine the minimum furnace output for a 2100 ft squared modern house.
B) solve formula for a
Answer:a) 630,000
b) unsure how to calculate

Respond to this Question

First Name
School Subject
Your Answer

Similar Questions

  1. Geometry

    Okay, this is a problem that I've tried over ten times before getting a fresh problem and trying that one too. I've never gotten a correct answer and I can't figure out why it's not right. Here's the problem, "Find the distance between …
  2. math,correction

    Simplify by combining like terms. Problem #32 radical (63) - 2 radical (28) + 5 radical (7) My answer: 4radical(7) Problem #50 Find the perimeter of the triangle shown in the figure. leg 1 = radical (5) - radical (3) leg 2= radical …
  3. pre-algebra(algebra)

    I'm not sure if I have the correct answer to this problem...All I have to do is use the Distributive Property to write each expression as an equivalent algebraic expression. Here is the problem: b(c+3d) Is the answer: bc+3bd
  4. Algebra 1

    10)The formula b=30a is used in New England to estimate the minimum furnace output, b, in BTU's for a modern house with a square feet of flooring. A) determine the minimum furnace output for a 2100 ft squared modern house. B) solve …
  5. Algebra 1

    7)use cummutative law to find and equivalent expression 73+yz answer: I don't even know where to start with this one
  6. algebra- Please help

    10)The formula b=30a is used in New England to estimate the minimum furnace output, b, in BTU's for a modern house with a square feet of flooring. A) determine the minimum furnace output for a 2100 ft squared modern house. B) solve …
  7. Algerbra 1

    Translate into an algerbraic expression One more than three times a number The translation is (Type expression using x as variable) Simplify 42xy/49x The answer is Type as integer of fraction Use a commutative law to fin an equivalent …
  8. math concepts

    Matthew sits at his desk unable to figure out the answer to a division problem. He reaches into his desk and pulls out a calculator. What is the correct response for Matthew's teacher to have?
  9. Mathematics concepts

    Matthew sits at his desk unable to figure out the answer to a division problem. He reaches into his desk and pulls out a calculator. What is the correct response for Matthew's teacher to have?
  10. Algebra

    Use a commutative law to find an equivalent expression. st An equivalent expression of st is...........

More Similar Questions