zainubsaeed13
zainubsaeed13 zainubsaeed13
  • 03-01-2022
  • Mathematics
contestada

if a is directly proportional to b, And a=25 when b=35, Find b when a=40
(i really need the method)​

if a is directly proportional to b And a25 when b35 Find b when a40 i really need the method class=

Respuesta :

study21geek
study21geek study21geek
  • 03-01-2022

Answer:

b = 56

Step-by-step explanation:

A way to solve this is cross multiplication!

25/35 = 40/b

40 · 35 = 1400

1400/25 = 56

I hope I was able to help. Have a good new year!

Answer Link

Otras preguntas

a certain reaction has delta h= -75 kj mol and an activation energyh What is the activation energy of the reverse reaction?
A survey collected data from a random sample of 121 people living in Jade oty. The sample average of the distance people travel to reach their workplaces (Y) is
what does several mean
The image is an energy pyramid for a particular food chain the amount of energy received by the macwas will be.
Sarah was 50 1/4 inches tall when she was 12 years old. she was 48 1/2 inches tall when she was 11. how much did she grow during the year?
What is 1+1? Is there a formula I need to use to figure this out?
the graph of f(x)=|x-h|+k contains the points (-6,-2) and (0,-2). the graph has a vertex at (h,-5). descrie how to find the value of h. then, explain how this v
When the dimensions of a cube are doubled, 0 the surface area and the volume are doubled the surface area is doubled and the volume is quadrupled 0 the surface
Write an equation in general form (Ax+By+C =0) for the line that passes through A(2, 4) and B(11, 8). ​
What takes the most impact of any part of the body? O Feet O Wrists O Hamstrings O Knees