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saveliy_v [14]
3 years ago
11

Find each equation with the correct solution​

Mathematics
1 answer:
stepladder [879]3 years ago
3 0

Answer:

15;9;-8

Step-by-step explanation:

1. 5/3x-3=2/3x+12

x=15 once you combine like terms

2. 5x+35-3x+12=7x+2

2x+47=7x+2

5x=45

x=9

3. 12x+20-3=9x-7

12x+17=9x-7

3x=-24

x=-8

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6. Consider the inequality 12<-3 (x + 4). Which value of xis part of the solution set of this inequality?
Natasha_Volkova [10]

Answer:

x < -8

General Formulas and Concepts:

<u>Pre-Alg</u>

  • Order of Operations: BPEMDAS
  • Equality Properties

Step-by-step explanation:

<u>Step 1: Define inequality</u>

12 < -3(x + 4)

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

  1. Distribute -3:                              12 < -3x - 12
  2. Add 12 to both sides:                24 < -3x
  3. Divide -3 on both sides:            -8 > x
  4. Rewrite:                                      x < -8

Here we see that any value <em>x</em> that is smaller than -8 would work.

5 0
3 years ago
The rate at which an airplane flew was StartFraction 700 miles over 2 hours EndFraction. How can the unit rate be determined? by
erma4kov [3.2K]

Answer:

700 dived by 2 = 350 boom brainlist

Step-by-step explanation:

7 0
3 years ago
Read 2 more answers
Least to greatest 2.3 2 4/5 2.6
Volgvan
2.3 is smaller than 2.6: we can see it just by looking at the digits from left to right.

now, where does 2\frac{4}{5} stand?

 its fraction part is equal to

\frac{4*2}{5*2}=  \frac{8}{10}

do that means that 2\frac{4}{5}=2.8

which is bigger than 2.6

so the final order is

2.3 2.6 2\frac{4}{5}




5 0
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Using only an addition, how do you add eight 8’s and get the number 1000?
frosja888 [35]

Answer:

888+88+8+8+8=1000

Step-by-step explanation:

4 0
3 years ago
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DIA [1.3K]
X^2 -6x -8 is a parabola in ax^2 + bx + c form
The axis of symmetry is -b/2a = 3
The vertex is (3,f(3)) = (3,-17)
The x-intercept is f(x)= 0 where x=-1.123, 7.123
Graphing:  it opens upwards

3 0
3 years ago
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