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saveyourself
saveyourself asked in Science & MathematicsMathematics · 8 years ago

Easy math please help me!!?

1. Simplify

(5x + 2y) + (5x + y)

9x + 2y

10x + 2y

9x - 2y

10x + 3y

9x - 3y

2. Determine if the expression has been simplified properly. If you think the final answer is correct, mark "true." If you think the final answer is incorrect, mark "false."

4x - (3 - x)=

ANSWER: 3x - 3

True

False

3. Determine if the expression has been simplified properly. If you think the final answer is correct, mark "yes." If you think the final answer is incorrect, mark "no."

-2x -5(2x + 3)

ANSWER: -12x - 15

Yes

No

4. Translate the given phrase into an algebraic expression and mark the correct answer below.

"7 less than x"

x-7

7x

x + 7

7 - x

5. Translate each phrase and select the one that is DIFFERENT from the others.

One-third of x

The ratio of x and 3

The quotient of x and 3

The difference between x and 3

3 Answers

Relevance
  • ?
    Lv 7
    8 years ago

    1)

    10 x + 3 y

  • Jake
    8 years ago

    1. 10x+3y

    2. False (should be 5x-3)

    3. Yes

    4. x-7

    5.

    (1/3)x

    x:3 I think

    some quotient

    last one is different

    My english isn't good enough for the last question :$

  • ?
    8 years ago

    1. 10x+3y

    2.true

    3.yes

    4.x-7

    5.x×1over 3

    X:3

    X÷3

    x-3

    X-3 is the answer

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