Answer:
x=2
Step-by-step explanation:
4x=8
/4 /4
divide both sides by 4
x=2
Answer: 10.0 lb/wk
Step-by-step explanation:
1. Calculate the number of days
1 week = 7 days
2. Convert days to hours
24 h = 1 days
No. of hours= 7 days* 24h/1 day= 168h
3. Convert hours to ounces
1h = 0.952 oz
No. of ounces= 168h* 0.952 oz/ 1h=159.9 oz
4. Convert ounces to pounds
1 lb = 16 oz
No. of hours= 7 days* 24h/1 day= 168h
Therefore the biggest loser lost 10.0 lb per week.
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Answer:
Step-by-step explanation:
As no identity applies on this, we use distributive property, the property is:
(
a
+
b
)
(
c
+
d
)
=
a
(
c
+
d
)
+
b
(
c
+
d
)
Using that
2
(
5
+
6
b
)
+
5
b
(
5
+
6
b
)
Expand the brackets
10
+
12
b
+
25
b
+
30
b
2
Solve
10
+
37
b
+
30
b
2
Answer:
28 + 0.15x = 49.30
0.15x = 49.30 - 28
0.15x = 21.3
divide both sides by 0.15
x = 21.3/0.15
x = 142
Answer:
y<−2
Step-by-step explanation:
−6y−2>10
Add 2 to both sides.
−6y>10+2
Add 10 and 2 to get 12.
−6y>12
Divide both sides by −6. Since −6 is negative, the inequality direction is changed.
y<12/-6
Divide 12 by −6 to get −2.
y<−2
