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german
3 years ago
8

If a person studies for 8hrs a week. How long to they work each day

Mathematics
1 answer:
Andrew [12]3 years ago
7 0

Answer:

about and hour and 14 minutes each day

Step-by-step explanation:

just divide 8 by 7 and round to the nearest hundredths place

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The figure is made up of a cylinder and a cone.
Gnoma [55]

Answer:

51*pi or 160.221

Step-by-step explanation:

total volume = volume of a cone + volume of a cylinder

total volume = 1/3* pi*r^2* height(of cone) + pi* r^2 *height(of cylinder)

total volume = 1/3 * pi * 3^2 * 5 + pi * 3^2 * 4

total volume = 51*pi = 160.221

7 0
3 years ago
5t-17.2=16.3<br><br>What is t?<br>PLEASE HELP!
Arte-miy333 [17]

Answer:6.7

Step-by-step explanation:

5t-17.2=16.3

5t=16.3+17.2

5t=33.5

5t/5t=33.5/5

t=6.7

4 0
3 years ago
What is the value of x
enyata [817]
The value of x can be found using the sine function.

sin 30 = x/8
8 (sin 30) = x
4 = x
5 0
3 years ago
Write the facts family numbers 15,5,and 3
Arada [10]
15 is 3,5 and 5 is just 1 and 3 is 1
4 0
3 years ago
You are giving 24 linear feet of fencing all 3 feet tall you wish to make the largest rectangular enclosure possible to maximize
earnstyle [38]

Answer:

The largest area enclosed is  A = xy = 6 feet \times 6 feet = 36 feet^{2}

Step-by-step explanation:

i) The perimeter of the area is 2\times(x + y) =24  ∴ x + y = 12    ∴ y = 12 - x

ii) The area of rectangle enclosed A  = xy    ⇒ A  = x ( 12 - x) = 12x - x^{2}

iii) differentiating both sides of the equation in ii) we get

\dfrac{dA}{dx} = 12 - 2x = 0    ⇒  x = 6 feet

iv) Differentiating both sides of equation in iii) we get    \frac{d^{2}A}{dx^{2} } =  -2

   Therefore the area enclosed is maximum as the double derivative is negative

v) therefore for largest area enclosed   x  = 6 feet and  y = 12 - 6 = 6 feet

vi) therefore the largest area enclosed is

 A = xy = 6 feet \times 6 feet = 36 feet^{2}

7 0
3 years ago
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