3 years ago

2x - 3y=-6 -5x - 9y = 15 Elimination with multiplication

Mathematics

1 answer:

Viktor [21]3 years ago

5 0

The answer is
x = -3
y = 0

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Two paths each 2m wide run across the middle of a rectangular field. If the area of the cross path is 196m and its length is 60m

Naddik [55]

Answer:

d=2m

Area(A)=196m

l=60m

Now,

A=d(l+b-d)

196=2(60+b-2)

196=2(58+b)

196=116+2b

2b=196-116

2b=80

b=40m

5 0

2 years ago

WRITE Which solid has a greater volume: cone with a base radious of 7 centimeters and a height of 28 centimeters or a pyramid Wi

Mumz [18]

The pyramid has a greater volume.
The volume of the cone is 1436.7 ( to 5 sf )
The volume of the pyramid is 1437.3 ( to 5 sf )
Both of them is 1440 when rounded off to 3 sf. However , the volume of the pyramid is greater.
( so sorry I can’t explain well but I hope it helps )
The solution is in the picture:) hope you understand better!! Sorry if It’s confusing