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Alisiya [41]
3 years ago
8

Plz help me thank you so much

Mathematics
2 answers:
Shalnov [3]3 years ago
7 0

Answer:

i dont know

Step-by-step explanation:

<em>i</em><em> </em><em>d</em><em>o</em><em>n</em><em>t</em><em> </em><em>k</em><em>n</em><em>o</em><em>w</em><em> </em><em>m</em><em>o</em><em>t</em><em>h</em><em>e</em><em>r</em><em> </em><em>f</em><em>u</em><em>c</em><em>k</em><em>e</em><em>r</em>

BartSMP [9]3 years ago
5 0

Answer:

7. b

8. a

Step-by-step explanation:

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Evaluate the expression when X= -2 x^2 + 9x + 3
TiliK225 [7]

Answer:

-11

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> </u>

Step-by-step explanation:

<u>Step 1: Define</u>

x² + 9x + 3

x = -2

<u>Step 2: Evaluate</u>

  1. Substitute in <em>x</em>:                                                                                                  (-2)² + 9(-2) + 3
  2. Exponents:                                                                                                        4 + 9(-2) + 3
  3. Multiply:                                                                                                             4 - 18 + 3
  4. Subtract:                                                                                                            -14 + 3
  5. Add:                                                                                                                   -11
3 0
2 years ago
2x + 7= -11 please help
Dvinal [7]

Answer:

x = -9

Step-by-step explanation:

You are solving for x. Note the equal sign, what you do to one side, you do to the other. Do the opposite of PEMDAS.

First, subtract 7 from both sides:

2x + 7 (-7) = -11 (-7)

2x = -11 - 7

2x = -18

Next, divide 2 from both sides:

(2x)/2 = (-18)/2

x = -18/2

x = -9

x = -9 is your answer.

~

6 0
3 years ago
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hahaha this is funny there was this guy that was like if i called u babe your my gf and next thing u know i called this guy babe
Dmitry_Shevchenko [17]

Answer:

lol

I wish I had one

Step-by-step explanation:

hi so(◍•ᴗ•◍)❤

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2 years ago
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Y = -3x-2 Slope intercept form
lana66690 [7]

Answer:The equation of any straight line, called a linear equation, can be written as: y = mx + b, where m is the slope of the line and b is the y-intercept. The y-intercept of this line is the value of y at the point where the line crosses the y axis.

Step-by-step explanation:

4 0
3 years ago
When you view the pendulum’s swing, it shows that at the very top of the swing KE = 0. What does that tell you about the pendulu
slava [35]

Answer:

The kinetic energy of an object is given by: Kinetic energy = 1/2 * mass * velocity If the kinetic energy of the pendulum at the top of its swing is 0, then this tells us that the velocity of the pendulum at that point is 0

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2 years ago
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