3 years ago

4 bags of cement do 18m squared how many metre squared can be done with 7 bags

2 answers:

6 0

4=18
7=x
these ar ratios
4:18=7:x
fractiofy
4/18=7/x
mutply both sides by x
4x/18=7
mulitply bothsides by 18
4x=126
divide both sides by 4
x=31.5

answer is 31.5 m^2

Free_Kalibri [48]3 years ago

4 0

18 divided by 4= 4.5 meters squared
4.5 multiplied by 7= 31.5 meters squared

You might be interested in

In Jaden’s yard, there is a triangular garden patch. He wants to plant a geranium in the patch at a point equidistant from all i

Viktor [21]

C
The construction described creates the incenter of the circle and this point is equidistant from all vertices of a triangle.

4 0

3 years ago

Find the value of y in the solution to the system of equations shown. y= 12x+7 y=-6x+25

padilas [110]

Answer: The required value of y is 19.

Step-by-step explanation: We are given to find the value of y in the solution to the following system of equations :

$y=12x+7~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~(i)\\\\y=-6x+25~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~(ii)$