Answer:
2.86cm
Step-by-step explanation:
Step 1:
Data obtained from the question. This includes the following:
Volume (V) = 187cm3
Height (h) = 7.3cm
Pi (π) = 3.14
Radius (r) =..?
Step 2:
Determination of the radius of the cylindrical water bottle.
The radius of the cylindrical water bottle can be obtained as follow:
V = πr^2h
187 = 3.14 x r^2 x 7.3
Divide both side by 3.14 x 7.3
r^2 = 187 / (3.14 x 7.3)
Take the square root of both side
r = √[187 / (3.14 x 7.3)]
r = 2.86cm
Therefore, the radius of the cylindrical water bottle is 2.86cm
<span>Let</span>
X= number of equation
questions
Y= number of vocabulary
questions
26= total of
questions
Therefore
X+Y=26
equation
questions ---------------------- > that are worth 2 points each
vocabulary
questions -------------------- >that are worth 5 points each
A math test ---------------------------------
> is worth 100 points
Therefore
2X+5Y=100
The answer is
x
+ y = 26
2x + 5y = 100
Answer:
8 square inches
Step-by-step explanation:
The formula for are is A=wl if we plug our numbers in we have A=4x2=8 In other terms we now know A=8
To get the area, the formula is 2l x 2w = a
so the formula will be like this:
(x)(x+x/4)=180
where,
x is the width
x+x/4 is the height
180 is the area
(x)(x+x/4)=180
[4(x)][4(x+x/4)]=180(4) multiply all sides by 4 to remove the fraction
(4x)(4x+x)=720
(4x)(5x)=720 simplify
20x^2=720 multiply 4x and 5x
20x^2=720 get the sq root of both sides
4.47x=26.83 divide by 4.47 to get the value of x
x=6
the width is 6 sq inches
the length is 7.5 sq inches
[(2)(6)][(2)(7.5)]=180
(12)(15)=180
180=180
