Answer:
The solution is (4, 1).
Step-by-step explanation:
For the first multiply the second equation by -1 then add them together.
4x + y = 5
-1( 3x + y = 3)
4x + y = 5
-3x - y = -3
x=2
Plug that in and you get -3 for y
Answer is (2,-3)
For the second, just add them
2d – e = 7
d + e = 5
3d=12
d=4
Plug that into either equation and e is 1
The solution is (4, 1).
The answer is 15.41 and 15.41 is already rounded to the nearest hundredth.
Hope these help:
#9
a-4 divided by 5 = 12
5*12 is 60
60+4 is 64
60 (final answer for a)
#10
n+3 divided by 8 = -4
8*(-4) = -32
-32 + 3 = -35
-32 (final answer for n)
#11
6+z divided by 10 = -2
-2 * 10 = -20
-20=6=-26
-20 (final answer for z)
btw, can't see diagram
To get this answer you would need to do 6 x 3/4 (or 0.75) to get 4.5.
Leah will need 4.5 (or 41/4) yards of material.
Hope This Helps!
~Cupkake
Answer:
4<x<12
Step-by-step explanation:
8.0+4.0=12.0
8.0-4.0=4.0 or 4
The rules of triangles is that it must be less than the sum you had when you first added 8.0and 4.0 which was 12
So therefore , 4< x < 12
and I also got it right on khan academy lol