2 x - 125 = 400
2 x = 400 + 125
2 x = 525
x = 525 / 2
x = 262.5
Answer:
the answer is 147 I am not sure
Answer:
Explanation:
The area of a rectangle (assuming the sandbox is rectangular) is:
A
=
l
×
w
where:
A
is the Area of the rectangle: 26 square feet for this problem.
l
is the Length of the rectangle: 5 feet for this problem.
w
is the Width of the rectangle: What we are solving for in this problem.
Substituting for
A
and
l
and solving for
w
gives:
26
ft
2
=
5
ft
×
w
26
ft
2
5
ft
=
5
ft
×
w
5
ft
26
ft
×
ft
5
ft
=
5
ft
×
w
5
ft
26
ft
×
ft
5
ft
=
w
26
ft
5
=
w
Or
26
5
ft
=
w
Or
5
1
5
ft
=
w
Step-by-step explanation:
Answer:
for #11 the answer is 13
Step-by-step explanation:
Answer:
it's virtually impossible to calculate by hand. just look up a standard deviation calculator it'll give you the answer once you plug your numbers in for a population or sample