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Sholpan [36]
3 years ago
15

(1-5q) - (2.5s + 8 ) - (0.5q + 6 )

Mathematics
2 answers:
Sladkaya [172]3 years ago
4 0
First rewrite it by distributing the negatives.
1-5q-2.5s-8-.5q-6
Now combine like terms.
-13-5.5q-2.5s
Aleksandr-060686 [28]3 years ago
3 0

Answer:

-5.5q-2.5s-13

Step-by-step explanation:

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−10x+3y=5 ASAP<br> x=y−4 ​ <br><br> x ?<br> y?
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x = 1 and y = 5

Step-by-step explanation:

Use substitution because you know that x = y - 4, and plug this into the first equation to get -10(y - 4) + 3y = 5, or -10y + 40 + 3y = 5. This is -7y = -35 so y = 5. Plug this into the 2nd equation to get that x = 1 and y = 5.

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2 years ago
25 points!! please answer
melomori [17]

ac is the answer

hope that helps

6 0
3 years ago
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Evaluate x+3 squared by 2 - 6 when x = 4
Alisiya [41]

Answer:

43

General Formulas and Concepts:

<u>Pre-Algebra</u>

Order of Operations: BPEMDAS

  1. Brackets
  2. Parenthesis
  3. Exponents
  4. Multiplication
  5. Division
  6. Addition
  7. Subtraction
  • Left to Right

Step-by-step explanation:

<u>Step 1: Define</u>

<em>Identify.</em>

(x + 3)² - 6

<em>x</em> = 4

<u>Step 2: Evaluate</u>

<em>Follow Order of Operations.</em>

  1. Substitute in <em>x</em> [Equation]:                                                                                (4 + 3)² - 6
  2. (Parenthesis) Add:                                                                                            7² - 6
  3. Exponents:                                                                                                        49 - 6
  4. Subtract:                                                                                                            43
6 0
2 years ago
Read 2 more answers
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