obedullakhan obedullakhan

03-05-2020
Mathematics

contestada

Find the value of the following expressions when x= – 2 5X²+ 5x – 21

Respuesta :

fardenk fardenk

03-05-2020

Answer:

9

Step-by-step explanation:

5(4)+5(2)-21

=20+10-21

=9

Answer Link

Otras preguntas

ten increased by 6 times a number is the same as 4 less than 4 times the number

The energy required for muscle contraction comes from A. ATP. B. ligaments. C. oxygen. D. chlorophyll.

During working hours an electrician should not wear a. shoes with rubber-type soles and heals. b. a wristwatch or ring. c. a long sleeve shirt. d. a Class B

Who believed that individuals should give up some of their freedoms for the benefit of the community as a whole?

Which is a theme of The Hobbit? a. Never trade freedom for safety. b. The wisest people often do the most foolish things. c. Ordinary characters can do great

jennifer has 4/5 as many pictures on her camera as luis does Jennifer has 28 pictures on her camera how many pictures do Jennifer and luis have in all

Which of the following is one role of RNA polymerase during transcription? to switch uracil with thymine on the exposed gene to build a molecule of mRNA to brea

how were nobles supposed to live their lives

jennifer has 4/5 as many pictures on her camera as luis does Jennifer has 28 pictures on her camera how many pictures do Jennifer and luis have in all

what were two diseases that europeans brought to the new world that killed american indians