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OLga [1]
2 years ago
7

Please help! If possible please show your work :D Thank you! Solve.

Mathematics
1 answer:
nataly862011 [7]2 years ago
6 0

Equation at the end of step1: (7x + 18) (4) - 4x = 0 2 STEP2:Equation at the end of step 2 2 • (7x + 18) - 4x = 0 STEP3:STEP4:Pulling out like terms

 4.1     Pull out like factors :

   10x + 36  =   2 • (5x + 18) 

Equation at the end of step4: 2 • (5x + 18) = 0 STEP5:Equations which are never true:

 5.1      Solve :    2   =  0

This equation has no solution.

A a non-zero constant never equals zero.

Solving a Single Variable Equation:

 5.2      Solve  :    5x+18 = 0 

 Subtract  18  from both sides of the equation : 

                      5x = -18

Divide both sides of the equation by 5:

                     x = -18/5 = -3.600

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attashe74 [19]
Do you need the answer as a decimal or a fraction?

5 0
3 years ago
What does it mean by And,Or in probability?
posledela

Answer:

In probability, there's a very important distinction between the words and and or. And means that the outcome has to satisfy both conditions at the same time. Or means that the outcome has to satisfy one condition, or the other condition, or both at the same time.

Step-by-step explanation:

thank me later

4 0
2 years ago
Which of the following is a rational number?
densk [106]
An irrational number is a number that cannot be expressed as a fraction, like Pi
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The square root of 2 is irrational as it cannot be expressed as a fraction since the decimal never stops and never repeats.
Same goes for the square root of 3, and 5
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Square root of 1 is rational as because the square root of 1 is 1, and the number 1 can be expressed as a fraction (1/1)
3 0
3 years ago
A traffic helicopter descends to hover 477 meters above the ground. Let h be the original height of the helicopter. What is a su
prisoha [69]

The subtraction equation that represents the problem is ( h-477)metres

<h3>Subtraction problem</h3>

Given the following information

  • The original height of the helicopter = h meters

If the traffic helicopter descends to hover 477 meters above the ground, then the original height of the helicopter will be:

Original height = h - 477 (Since it is descending)

Hence the subtraction equation that represents the problem is ( h-477) meters

Learn more on subtraction problem here brainly.com/question/220101

6 0
2 years ago
Hi guys can l ask...... A BABY IS 3WEEKS AND 4 DAYS OLD. WHAT IS THE AGE OF THE BABY IN DAYS​
makkiz [27]

Answer:

25 days old

Step-by-step explanation:

7 days = 1 week

3 x 7 = 21

21 + 4 = 25

25 days old

3 0
3 years ago
Read 2 more answers
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