devon18 devon18

15-11-2016
Mathematics

contestada

The value of b is 7, then what is the value of the expression -3b^2+25=

Respuesta :

ewolfe98 ewolfe98

15-11-2016

The answer is -122
Exponents first and if b is 7 it would be 7 X 7 which equals 49 and then you multiply 49 with -3 which would be -147. Then you add 25 to -147 which is -122

Answer Link

Otras preguntas

Charlie is a great communicator who loves working with other people. He loves to solve problems, and he is a natural leader. Which career would allow him to use

Passage One Coral reefs that are falling apart are only one problem affecting ocean environment. Skeletons of dead coral animals make up coral reefs. Because l

Select all that apply. For the photosynthesis process to occur, a plant needs _____. sunlight chlorophyll nitrogen carbon dioxide nutrients water

hey I really need help its a test -3x=48 5x-1=29 4(x-6)+7=23 3(x-4)+5x=4

Point D is on segment BC. Segment BC measures 8x units in length.What is the length of segment BC?units

Read the excerpt from "Wings." We were born with wings that carry information, that connect us to our friends and leaders. We have a conscience but we must make

Who were the caudillos of Latin America?

What's one function of the male reproductive system

What are the two differences between how we treat bacterial disease and how we treat viral disease

What did Confucius mean by reverence