iliczara871
iliczara871 iliczara871
  • 04-08-2022
  • Mathematics
contestada

Simplify these expressions

4. 9a+7-2a+13=
5. 21-3b+5b-7=
6.3c squared + 8c squared - 15=

Respuesta :

ZeeSq
ZeeSq ZeeSq
  • 04-08-2022

Answer:

4) 7a+20

5) 14+2b

6) 25c² - 15

Step-by-step explanation:

4) 9a+7-2a+13= 9a-2a+7+13 = 7a+20

5) 21-3b+5b-7= 21-7+5b-3b = 14+2b

6) (3c)² + (8c)² - 15 = 9c² + 16c² - 15 = 25c² - 15

Answer Link
musaddiqkhan
musaddiqkhan musaddiqkhan
  • 04-08-2022
4. Given equation,9a+7-2a+13
=7a+20

5. Given equation,21-3b+5b-7
=2b+14

6. Given equation,3c square +8c square-15
=11c^2-15
Answer Link

Otras preguntas

what is theory of to observe the neucles in cheek cells​
Use the distributive property to remove the parentheses. (3-v+2u)(-8) Х ?
yo i’m stuck hahahelp ASAP -4 3/8 - (-1 1/4)
Look at the prompt for this unit: Was Brutus a betrayer or a patriot? and write a one-sentence statement of your claim. Then write two or three examples of coun
Which of these are common features of African art? Check all that apply. A. Abstract B. Anatomically proportional C. Three-dimensional D. Highly stylized figure
Can somebody pls help me on this
An object is experiencing an acceleration of 12 m/s2 while traveling in a circle of radius 5.0 m. What is its velocity?
please help me with this I'm confused.
_____________ is the basic economic problem that all societies face.
Please answer fast, I will give brainliest if correct!