meganpearson199 meganpearson199

25-10-2016
Mathematics

contestada

What is the value of 4a3 – 2b2 + 5 when a = 3 and b = −2?

Respuesta :

linktra linktra

25-10-2016

4a(3)-2b(2)+5
4(3)(3)-2(-2)(2)+5
12(3)-(-4)(2)+5
36-(-8)+5
44+5
49
The answer is 49.

Answer Link

Аноним Аноним

25-10-2016

4a3 – 2b2 + 5

= 4 * 3^3 - 2 * (-2)^2 + 5

= 4 * 27 - 2 * 4 + 5

= 96 - 8 + 5

= 93

Answer Link

Otras preguntas

Which of the following is a run-on sentence? While the rain was drenching at times, the fans were dedicated and refused to leave. B. The players continue to w

two kinds of rock that are easily weathered by carbonic acid

PLZ PLZ HELP!!!!!! The expression cos(A+pi) - sin(A + pi) can be simplified to a) sin(A) - cos(A) b) sin(A) + cos(A) c) cos(A)- sin(A) d) -sin(A) - cos(A)

Rules:Fill in the box with a whole number to make a true statement. 8 exponent 3 = what?HELP!!!!

Which additional word or words in the sentence should be capitalized? When David registered for college, he signed up for physics 300 and art history 200. Choos

two thirds plus two fourths equals what

who has the final authority for interpreting the U.S. constitution

Mark each statement if it correctly describes something that happened when foreign invaders conquered Egypt. A. Foreign rulers took the title pharaoh. B.

what are two alternative futures for cells when they reach their size limitations?

Rules:Fill in the box with a whole number to make a true statement. 8 exponent 3 = what?HELP!!!!