M
=
0
O
r
m
=
23
15
Explanation:
1
3
m
+
6
m
−
9
3
m
=
3
m
−
3
4
m
⇒
1
+
6
m
−
9
3
m
=
3
m
−
3
4
m
⇒
−
8
+
6
m
3
m
=
3
m
−
3
4
m
⇒
(
−
8
+
6
m
)
×
4
m
=
(
3
m
−
3
)
×
3
m
⇒
−
32
m
+
24
m
2
=
9
m
2
−
9
m
⇒
−
32
m
+
24
m
2
−
9
m
2
+
9
m
=
0
⇒
15
m
2
−
23
m
=
0
⇒
m
(
15
m
−
23
)
=
0
m
=
0
Or
15
m
−
23
=
0
⇒
15
m
=
23
⇒
m
=
23
15
Answer:
x = 2 and y = 0
Step-by-step explanation:
x - 2y = 2
3x + y = 6
using the substitution method, we solve the first equation for 'x' to get
x = 2y + 2
plug that into 'x' in the second equation
3(2y + 2) + y = 6
6y + 6 + y = 6
7y = 0
y = 0
find 'x':
3x + 0 = 6
x = 6/3
x = 2
Answer:
She is not correct, she is going to spend $446.25 after 15%
Step-by-step explanation:
525
multiply by 0.85 (which is 1 minus 0.15)
gives you 446.25
Answer:
The probability that Matt is late for work is 0.2
The answer is this option because time is measured in hours not in decimal points.
Mass of half of the water in the kettle = 2900 - 2050 = 850 g
Mass of the kettle when it is empty = 2900 - 850 - 850 = 1200g
Answer: 1200g
