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garik1379 [7]
2 years ago
8

How many solutions are there to the equation below?

Mathematics
1 answer:
mote1985 [20]2 years ago
4 0
Anwer is C. Infinitely many solutions <33
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Solve for X<br><br> -2(5x-5.5) + 8= -9x+2-(-5)
yuradex [85]

Answer:

x = 12

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>

  • Equality Properties
  • Combining Like Terms

Step-by-step explanation:

<u>Step 1: Define</u>

-2(5x - 5.5) + 8 = -9x + 2 - (-5)

<u>Step 2: Solve for </u><em><u>x</u></em>

  1. Distribute:                              -10x + 11 + 8 = -9x + 2 + 5
  2. Combine like terms:              -10x + 19 = -9x + 7
  3. Add 10x to both sides:          19 = x + 7
  4. Subtract 7 on both sides:     12 = x
  5. Rewrite:                                  x = 12
7 0
3 years ago
What is 30% of 70?? please help
melamori03 [73]

Answer:

<h2>21</h2>

Step-by-step explanation:

<em>Method 1:</em>

p\%=\dfrac{p}{100}\\\\30\%=\dfrac{30}{100}=\dfrac{3}{10}=0.3\\\\30\%\ of\ 70\ is\\\\0.3\cdot70=21

<em>Method 2:</em>

\begin{array}{cccc}100\%&-&70&\text{divide both sides by 10}\\\\10\%&-&7&\text{multiply both sides by 3}\\\\30\%&-&21\end{array}

4 0
4 years ago
Pleaeee help do the unit prices please and thank u
mina [271]
What you would want to do is divide the cash amount by the load amount. 21/90 is roughly .23 so it's 23¢ and so on for the others.
4 0
4 years ago
2) What is the value of x? *<br> 15.5<br> 25.5<br> 31<br> 47
Artyom0805 [142]

Step-by-step explanation:

2∠BDA = ∠BCA

2 (3x - 15)° = (2x + 32)°

6x - 30 = 2x + 32

6x - 2x = 32 + 30

4x = 62

x = 62/4

x = 15.5

<h3>#CMIIW</h3>

5 0
3 years ago
Mother bought 3 ⅙ kg of sugar. She used 2 ¼ kg while baking cookies. How much sugar did she have left?
ozzi
She had 11/12 kg of sugar left. See the picture for the steps
4 0
3 years ago
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