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pentagon [3]
3 years ago
13

What is the first step when solving this equation? 5(4x – 1.5x) + 12 = 4x – 2

Mathematics
2 answers:
EleoNora [17]3 years ago
7 0
Complete the equation in the parenthesis, 4x - 1.5x
IRISSAK [1]3 years ago
5 0

Answer:

First step is "Solve the parenthesis". It means subtract 1.5x from 4x.

Step-by-step explanation:

The given equation is

5(4x-1.5x)+12=4x-2

We need to find the first step o solve this equation.

Step 1: Solve the parenthesis.

5(2.5x)+12=4x-2

Step 2: Multiply.

12.5x+12=4x-2

Step 3: Isolate variable terms on left side.

12.5x-4x=-12-2

8.5x=-14

Step 4. Divide both sides by 8.5.

x=\dfrac{-14}{8.5}

x\approx -1.647

Therefore, the firs step is "Solve the parenthesis".

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Please help me with this if you can? thanks alot :)))​
Lynna [10]

The probabilities are:

  • P(red) = 5/24
  • P(orange) =  0
  • P(blue) =  1/3
  • P(not green)= 17/24
  • P(green or black) = 11/24
  • P(not yellow)  = 1.

<h3>How to find the probabilities?</h3>

The probability of getting a particular color of marble, is given by the quotient between the number of marbles of that color and the total number of marbles.

Here we have:

  • 5 red marbles.
  • 7 green marbles.
  • 4 black marbles.
  • 8 blue marbles.

So the total number is 5 + 7 + 4 + 8 = 24.

Then:

  • P(red) = 5/24
  • P(orange) = 0/24 = 0  (because there are 0 orange marbles).
  • P(blue) = 8/24 = 1/3
  • P(not green) = (24 - 7)/24 = 17/24
  • P(green or black) = (4 + 7)/24 = 11/24
  • P(not yellow) = 24/24 = 1 (because there aren't yellow marbles).

If you want to learn more about probability, you can read:

brainly.com/question/251701

#SPJ1

5 0
2 years ago
13 erasers in your backpack is considered<br> a what?
bogdanovich [222]
Hoarder of erasers :o

Is this suppose to be a riddle or sum
4 0
3 years ago
I travelled at 60km/h and took 2 hours for a certain journey. How long would it have taken me if I had travelled at 50km/h?​
Marina86 [1]

Answer:

2 hours and 24 minutes

Step-by-step explanation:

2 hours at 60 km/h means you have travelled 2*60=120 km

120 km at 50 km/h takes 120/50 = 2.4 hours

2.4 hours is 2 hours and 0.4*60 = 24 minutes.

7 0
4 years ago
In the table, x represents the age in years of a collectible baseball card, and y represents its value in dollars. Cost of a Pac
lukranit [14]

Answer:

b

Step-by-step explanation:

The slope is positive because as the age increases, the value increases.

6 0
3 years ago
Read 2 more answers
What is 7/10 - 2/10 reduced ?
Scorpion4ik [409]

Answer:

1/2

Step-by-step explanation:

7/10 - 2/10 = 5/10

5/10 simplifies to 1/2 by dividing numerator and denominator by 5.

7 0
4 years ago
Read 2 more answers
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