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Phantasy [73]
3 years ago
14

GIVING BRAINLIEST 6 added to a number is the same as 18 subtracted from 4 times the number. What is the number? a. 6 − x = 4x −

18, 4.8 c. 6 + x = 4x − 18, 7 b. 6 + x = 4x − 18, 9 d. 6 + x = 4x − 18, 8
Mathematics
2 answers:
Nezavi [6.7K]3 years ago
6 0

Answer:

6+x = 4x-18, 8

Step-by-step explanation:

6= 3x-18

24=3x

8=x

Mariulka [41]3 years ago
5 0

Answer:

The equation is 6 + X = 4X - 18

The number is 12/5 or 2 2/5

Step-by-step explanation:

Let the number be X

6 + X = 4X - 18

Add 4X to both sides of the equation

6 + X + 4X = 18 - 4X + 4X

6 + 5X = 18

Subtract 6 from both sides of the equation

6 - 6 + 5X = 18 - 6

5X = 12

Divide both sides by 5

5X/5 = 12/5

X = 2 2/5

The number is 2 2/5

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An article reports "sales have grown by 30% this year, to $200 million." What were sales before the growth? An article reports "
zimovet [89]

The amount of sales before growth according to the article is $153.85 million

<h3>How to find sales before growth?</h3>

let

  • Sales before growth = x
  • Percentage growth = 30%
  • New sales = $200 million

200 = x + (30% × x)

200 = x + (0.3 × x)

200 = x + 0.3x

200 = 1.3x

x = 200/1.3

x = 153.846153846153

Approximately,

x = $153.85 million

Learn more about percentage:

brainly.com/question/843074

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8 0
1 year ago
HELP FAST PLEASE!!!
Alisiya [41]

Answer:

y = -0.75x + 9.5

Step-by-step explanation:

Equation of a circle is given as :

(x-a)^{2} + (y-b)^2 = r^{2} \\(x-6)^{2} + (y-5)^2 = 4^{2}\\x^{2} - 12x + 36 + y^{2} -10y + 25 = 16\\x^{2} - 12x  + y^{2} -10y + 45 = 0\\

Take the derivative of the above with respect to x

2x - 12 + 2y dy/dx - 10 dy/dy = 0\\\frac{dx}{dy} = \frac{6 - x}{y-5} \\At (2,8) dy/dx = (6-2)/(8-5) = 4/3\\dy/dx = 4/3\\The slope of the tangent to the circle, m = \frac{-1}{dy/dx} \\m = \frac{-1}{4/3}\\m= -0.75

The equation of the tangent is given by :

y - y_{1} = m(x - x_{1})\\ y - 8 = -0.75(x - 2)\\y - 8 = -0.75x + 1.5\\y = -0.75x + 9.5

8 0
3 years ago
Read 2 more answers
the density of a substance is 2.5 cm calculate the volume of the substance if its mass is 25.0 grams​
sesenic [268]

Answer:

10 cm³

Step-by-step explanation:

The equation for density is: d = m/v, where d is the density, m is the mass, and v is the volume.

Here, d = 2.5 and m = 25.0, so plug these into the equation to solve for v:

d = m/v

2.5 = 25/v

Multiply both sides by v:

2.5v = 25

Divide by 2.5:

v = 25/2.5 = 10

Thus, the volume is 10 cm³.

7 0
3 years ago
Pls help me on question 2
boyakko [2]

Answer:

For this one, your answer will be

(x-8) would describe the case here planes grew 8 inches but x inches this weak.

Step-by-step explanation:

hope it helps

have a great day!!

8 0
2 years ago
Read 2 more answers
Helppppppppppppppppppppppppppps
Oliga [24]
Slope = (2+6)/(2+2) = 8/4 = 2

answer:

slope = 2
8 0
3 years ago
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