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love history [14]
3 years ago
9

Need Help!

Mathematics
2 answers:
kirza4 [7]3 years ago
8 0
120 students are in the 7th grade.
mihalych1998 [28]3 years ago
6 0
120 students are in the seventh grade
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Find the sum of (x + 5),(-4x - 2) and (2x - 1)
Elina [12.6K]

Answer:

-x + 2

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

<u>Algebra I</u>

  • Combining Like Terms

Step-by-step explanation:

<u>Step 1: Define</u>

(x + 5) + (-4x - 2) + (2x - 1)

<u>Step 2: Simplify</u>

  1. Combine like terms (x):                     -x + 5 - 2 - 1
  2. Combine like terms (Z):                     -x + 2
7 0
3 years ago
Read 2 more answers
Complete the number pattern for 3,400,00 34,000 ______ 3.4 ______
Dmitrij [34]

The blank answers are 340 and 0.34

5 0
3 years ago
Please help me with my homework
Anna35 [415]

Answer:

x=90 y=58 z=32

Step-by-step explanation:

I don't know how to explain it but yea

8 0
3 years ago
What is the area of this figure?
matrenka [14]
There is 2 figure here, a triangle and a parallelogram.
Area of parallelogram=base * height
                                   A=9 * 5
                                   A=45m²
Area of triangle= \frac{1}{2} (base * height)
                        A=\frac{1}{2} (9*8)
                        A=\frac{1}{2}72
                        A=36m²
36+45=81m²
The area of this figure is 81m²
3 0
3 years ago
What is the value of y?<br> 3y+10/4=y
k0ka [10]
The answer is y=2. Hope this helps!
8 0
3 years ago
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