willowtree10290
willowtree10290
26-07-2017
Mathematics
contestada
Find 93 • 87 using mental math.
Respuesta :
ericforteza001
ericforteza001
03-08-2017
Okay so start with multiplying 93 * 7
So 3 x 7= 21
9 X 7 +63, carry the 2 = 651
Then 8 x 93
Remember that first is a zero.
8 X 3= 24
8 X 9= 72, carry the 2= 74
So that is 7440
Now
0651
+7440
8091
And that's the answer
Answer Link
VER TODAS LAS RESPUESTAS ( 54+ )
Otras preguntas
1/2x+3/2(x+1)-1/4=5
What is the closed linear form of the sequence 3, 4, 5, 6, 7, ...? A) an = 2 + n B) an = 2 - n C) an = 3 + n D) an = 3 - n
Math Needs help Surface area
Susan's wrist is tired from typing on her keyboard all day. She moves her wrist in a circle to stretch it out. What type of movement does her hand make around h
what is hexadecimal number system
Escribe las palabras de la manera correcta Herege Esqueje Carruaje Masage Pesage Embalaje Espionaje Montage Homenage Vendaje Ropaje Dege Despege Aterrizaje Anc
A survey of 225 students showed the mean number of hours spent studying per week was 20.6 and the standard deviations was 2.7
A scuba diver 25.0m below the sea surface inhales 75.0mL of compressed air in a scuba tank at a pressure of 3.50atm and a temperature of 5.0C. What is the press
The graph of f(x) = x^2 is shown. Compare the graph of f(x) with the graph of w(x) = (x-7)^2
Hamilton’s economic plan was designed to
