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3 years ago

Need help please our math teacher didn’t have enough time to give us the notes to learn this so I am confused

Mathematics

1 answer:

Fudgin [204]3 years ago

4 0

Answers with step-by-step explanation:

1. (7x + x) + 7x

= 7x + 7x + x

= 14x + x

= 15x

2. 5 * (4 * x)

= 5*4x

= 20x

3. 15y + (x + 9y)

= 15y + 9y + x

= 24y + x

4. (6x + 21) + 14

= 6x + 21 + 14

= 6x + 35

5. 3x + 2 + 11x

= 11x+ 3x + 2

= 14x + 2

6. (x + 13y) + 8y

= 13y + 8y + x

= 21y + x

7. (12y + 2x) + 4y

= 12y + 4y + 2x

= 16y + 2x

8. 8 (x4)

= 32x

9. 3 (5x)

= 15x

10. 3x + (7x + 10)

= 3x + 7x + 10

= 21x + 10

11. 5x + (2 + x)

= 6x + 2

12. 4 * x * 10

= 4 * 10 *x

= 40x

13. (x * 12) * 3

= 36x

14. 14x + 9y + 6x

= 20x + 9y

15. 5x + (24 + 14x)

= 19x + 24

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Anit [1.1K]

Answer:

As x increases, the rate of change of f(x) exceeds the rate of change of g(x).

Step-by-step explanation:

Hope this helps :)

5 0

2 years ago

Please I need your help

Svetllana [295]

Answer:

249mm

Step-by-step explanation:

You find volume of the overall figure- 11 x 3 x 13= 429

Then find volumes of missing parts of overall complete figure and subtract from the overall volume....

5 x 4 x 3= 60

429-60=369

-------------------------------------

8 x 5 x 3= 120

369-120= 249

Hope this helped!! Hope you got it- please leave a rating and mark as Brainliest. Thank You :) (I really want to go to sleep right now, would have explained further, sorry)

8 0

3 years ago

Graph the line that goes through: (−2, 5) with a slope = −4

Shalnov [3]

Answer:

-1,1 0,-3

Step-by-step explanation:

start at -2, 5 and go down 4 right 1.

Rinse and repeat

5 0

3 years ago

What is the solution set of -2x < 10

anastassius [24]

Answer:

-5 i think, sorry if its worng

Step-by-step explanation:

4 0

2 years ago

Find the value of b. B² = 256

Jlenok [28]

$B^2=256$

$\mathrm{For\:}x^2=f\left(a\right)\mathrm{\:the\:solutions\:are\:}x=\sqrt{f\left(a\right)},\:\:-\sqrt{f\left(a\right)}$

$B=\sqrt{256},\:B=-\sqrt{256}$

$\sqrt{256}$

$\mathrm{Factor\:the\:number:\:}\:256=16^2$

$=\sqrt{16^2}$

$=16$

$-\sqrt{256} =-16$

$B=16,\:B=-16$

<h3><em>Hope I helped you!</em></h3><h3><em>Success!</em></h3>

<em>by a random romanian guy</em>

7 0

2 years ago