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3 years ago

What is -2(x+6)+x? Simplify

Mathematics

1 answer:

andrezito [222]3 years ago

6 0

Answer:

Step-by-step explanation:

-x-12

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Jon ate too many holiday cookies and gained 2.2 kilograms in December. Then he went on a diet and lost 1.5 kilograms in January.

gogolik [260]

Answer:

Jon lost a total of 3 kilograms in these 3 months.

Step-by-step explanation:

Weight that Jon gained in December = 2.2 kilograms

Weight that Jon lost in January = 1.5 kilograms

Weight that Jon lost in February = 3.7 kilograms

Overall Change in his weight = Total Weight he gained - Total weight he Lost

Total weight he gained is 2.2 kilograms as he only gained weight in December. Total weight he lost will be sum of weights he lost in January and February.

So, total weight Jon lost = 1.5 + 3.7 = 5.2 kilograms

Thus,

Total change in Jon's Weight = 2.2 - 5.2 = -3.0 kilograms

This shows that Jon lost a total of 3 kilograms in these 3 months.

Conclusion:

The statement that best describe the total change in his weight is: Jon lost a total of 3 kilograms in these 3 months

5 0

3 years ago

Read 2 more answers

Which of the following is a closed statement? Question 16 options: A) z is a positive number. B) x is an odd number. C) 30 is an

rusak2 [61]

Answer:

Step-by-step explanation:B) x es un número impar

3 0

3 years ago

SOMEONE HELP ME PLEASE WITH THESE PROBLEMS AND PLEASE SHOW YOUR WORK FOR 50 points and BRAINLIEST THANK YOU

ELEN [110]

Answer:

13. $6x^7 y^7$ || 14. $\frac{25x^4}{y^6}$

explanation:

13.

$\frac{12x^9 y^5}{2x^2 y^-2}$

$6x^{9-2} y^{5--2}$

$6x^7 y^7$

14.

$(\frac{5y^{-3} }{x^{-2} } )^{2}$

$(\frac{5y^{-3} }{x^{-2} } )(\frac{5y^{-3} }{x^{-2} } )$

$\frac{\frac{25}{y^6}}{\left(x^{-2}\right)^2}$

$\frac{\frac{25}{y^{-6} }}{\left(x^{-4}\right)}$

$\frac{25x^4}{y^6}$

4 0

2 years ago

Read 2 more answers

Max lost 128 pounds in 16 weeks on his new weight-loss plan. What was his average change in weight per week?

Alex

Answer:

8 pounds per week

Step-by-step explanation:

AVG= total/time span

AVG= 128/16

AVG= 8 pounds per week

Hope this helps!

7 0

2 years ago

PLEASE HELP PLEASE

GarryVolchara [31]

The x-coordinate in the solution of the system of equations y = -2/3x and 4x - 9y = -40 is -4

<h3>Solution:</h3>

Given that system of equations are:

$y = \frac{-2}{3}x$ ------- eqn 1

$4x - 9y=-40$ ------ eqn 2

We have to solve the above given system of equations and find the x - coordinate

Substitute eqn 1 in eqn 2 and solve for "x"

$4x - 9(\frac{-2}{3}x) = -40\\\\4x + \frac{18x}{3} = -40\\\\12x + 18x = -120\\\\30x = -120\\\\x = \frac{-120}{30} = -4$

x = -4

Thus the x-coordinate in the solution of the system of equations is -4

6 0

3 years ago