ananya37933 ananya37933

16-07-2020
Mathematics

contestada

Using (x + a) (x + b) = x² + (a + b) x + ab, evaluate 75 x 77

Respuesta :

lucasella lucasella

16-07-2020

(x + a) (x + b) = x² + (a + b) x + ab

75 * 77=

=(70+5)(70+7)

=70²+(5+7)*70+5*7

=4900+12*70+35

=4900+840+35

=5775

Answer Link

Otras preguntas

If you had to draw a covalent bond between two atoms, which items would you need to include? A. the ions in each atom B. electrons shared between atoms C. th

Which molecule is called the “molecule of heredity? A. Amino acid B. RNA C. DNA

A secondary source is written by someone who took part in the events described true or false

Using a value of Ksp = 1.8 x 10-2 for the reaction PbCl2 Pb+2(aq) + 2Cl -(aq). If the value of Ksp was determined to be only 1.2 x 10-2: a. Too much solid has

Integrate ln(x^2-x+2).

Which of the following aided the campaign to win the right to vote for women? A. anti-immigrant sentiment B. the need for more workers in the labor pool C. supp

what is the value of 3 in 6,035

One angle of a rhombus measures 108°, and the shorter diagonal is 9 inches long. Approximately how long is the side of the rhombus? (Hint: Diagonals of a rhombu

you are feeling a lot of fear. the brain site most likely involved is the midbrain. the left hemisphere. the right hemisphere. the amygdala.

Two lines intersect in more than one point. a. always b. sometimes c. never