4 years ago

X+5y=8 2x-5y=1 What is the solution?

1 answer:

3 0

Add them to cancel y
x+5y=8
2x-5y=1 +
3x+0y=9

3x=9
divide boht isdes by 3
x=3
sub back
x+5y=8
3+5y=8
minus 3
5y=5
divide 5
y=1

(3,1)

You might be interested in

miss Akunina [59]

Answer:

Step-by-step explanation:

Vjn

4 0

4 years ago

Oksi-84 [34.3K]

hope this helps-------------

7 0

3 years ago

photoshop1234 [79]

Answer:

250

Step-by-step explanation:

you have to use the fact that the big triangle and the small triangle are similar and write the proportions

$\frac{125}{10} =\frac{AB}{10}$ we took half of the side because of ΔABD and ΔBD..

AB= (125*10)/10=125

is AB =125 then AC is duble AC= 2*125=250

7 0

3 years ago

Allisa [31]

Answer:

90x

Step-by-step explanation:

3 0

3 years ago

Svetllana [295]

Answer:

16.25 cubic cm

Step-by-step explanation:

The volume of a prism is found using V = l*w*h. Here l = 1.25, w = 4 and h = 3.25. Substitute and simplify.

V = 1.25(4)(3.25)

V = 16.25

3 0

3 years ago