jamesmartin423
jamesmartin423 jamesmartin423
  • 16-02-2018
  • Mathematics
contestada

estimate the sum 9/10 + 7/8 A.about 0 B.about 1 C.about 1/2 D. about 2

Respuesta :

dannybubalo
dannybubalo dannybubalo
  • 16-02-2018
First you would start getting the denominators to the same number and you could do this by multiplying 9/10 by 4, and 7/8 by 5 to get the denominators to 40 and when you add the fractions you get 71/40 so the answer would be D. About 2
Answer Link
Astute
Astute Astute
  • 16-02-2018
Hey there James!

Your answer: 71/40 = 1.77500 which is about 2.

We simplify 7/8

9/10 + 7/8

We find that the least common multiple is 40.

So we do, [tex] \frac{9*4+7*5}{40} = 71/40[/tex]

Your answer is about 2.

~Jurgen
Answer Link

Otras preguntas

Help meh pleaseeeeeeee
what is the point of intersection of the linear system x=5 and y = - 4
soit f la fonction qui a x associe le nombre 3x-1. La valeur de f(4+1) est ?
Yen drew 19 pictures. He gave 4 to his mom, and then shared the remaining equally among 3 friends. How many pictures did he give each friend? The part-part-whol
Find the perimeter of the rectangle
you think there is bias—intentional or not—in the excerpts? Explain your answer.
Jill eFind the value of the expression 4a4 − 2b2 + 40 when a = 2 and b = 7.
The cost of car repair includes labor and parts. Labor is 70% of the total cost. The cost of labor for a certain repair is $406. What is the total cost of the c
2. The entire system of components that produces power and transmits it to the road is called the vehicle's?
I need help on this quiz question