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AveGali [126]
4 years ago
13

A student is trying to remember some formulas from geometry. in what follows, assume a is area, v is volume, and all other varia

bles are lengths. determine which formulas are dimensionally consistent.
Mathematics
1 answer:
telo118 [61]4 years ago
6 0
<span>Given that A is area, V is volume, and all other variables are lengths.

To get the dimensions of a quantity, it is easier to compare the unit of the quantity and represent each value in the unit by the dimension.

The formular that is dimensionally consistent is
V= \frac{\pi d^3}{6}</span>
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Find the area of a circle with a circumference of 6.28 unitesz
Anni [7]

Answer:

3.14 square units

Step-by-step explanation:

Circumference of a circle = 2πr

2πr = 6.28

r = 6.28/2π

r = 3.142/π

Area of a circle = πr^2

slot in the value of r

Area of the circle = π( 3.142/π)^2

               "              = π(9.87/ π^2)

                "             = 9.87/π

π = 3.14

Area of a circle = 9.867/ (3.14)

              "            = 3.14 square units

                     

8 0
3 years ago
Use the partial quotient strategy to solve 5 divided 673
Temka [501]
May you please provide further help? 

Just divided, the answer is 134.6.  

and the exact form is: 5/673.
5 0
3 years ago
In right triangle &lt;ABC,<br>M&lt;A = 42°. Find m&lt;B.​
wlad13 [49]

Answer:

m<B is 48°

Step-by-step explanation:

m<C is already 90°

m<A is 42°

42+90+x=180

132+x=180

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5 0
3 years ago
Perform the indicated operation.<br> 113<br> 글용<br> 0 8/9<br> 0 1-1/8<br> 0 1/8
Mekhanik [1.2K]

Answer:

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Step-by-step explanation:

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3 0
3 years ago
A rectangular box is 40 cm wide and 36 cm high. If the surface area of the box is 7440 square centimeters, find the length of th
vova2212 [387]

Answer:

The length of the rectangular box is 30 centimeters.

Step-by-step explanation:

Let suppose that rectangular box is closed. The rectangular box is represented by a parallelepiped, whose surface area (A_{s}), measured in square centimeters, is defined by the following formula:

A_{s} = 2\cdot (w\cdot h + w\cdot l + h\cdot l) (1)

Where:

w - Width, measured in centimeters.

h - Height, measured in centimeters.

l - Length, measured in centimeters.

If we know that A_{s} = 7440\,cm^{2}, w = 40\,cm and h = 36\,cm, then the length of the rectangular box is:

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152\cdot l = 4560

l = 30\,cm

The length of the rectangular box is 30 centimeters.

5 0
3 years ago
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