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Bess [88]
3 years ago
12

Greg is a swimmer. He practices 1.3 hours on Monday, 11/2 hour on Tuesday and 2 hours on Saturday. How many hours will he practi

ces if he keeps this scheduled for 2 weeks?​
Mathematics
1 answer:
Fiesta28 [93]3 years ago
7 0

Answer:

7 hours 40 minutes in 2 weeks

Step-by-step explanation:

1.3 - 1 hour 20 minutes

1.5 - 1 and a half hours

2hours

add them all toghether = 3 hours 50 minutes

3 hours 50 minutes times 2 (2 weeks) = 7 hours 40 minutes

You might be interested in
4 + 4 (1 + 5m) = -132
MrRissso [65]

Answer:

m=-7

Step-by-step explanation:

4+4+20m=-132

8+20m=-132

20m=-132-8

20m=-140

m=-7

6 0
2 years ago
Use the surface integral in​ Stokes' Theorem to calculate the circulation of the field Bold Upper F equals x squared Bold i plus
Tom [10]

Stokes' theorem says the integral of the curl of \vec F over a surface S with boundary C is equal to the integral of \vec F along the boundary. In other words, the flux of the curl of the vector field is equal to the circulation of the field, such that

\displaystyle\iint_S\nabla\times\vec F\cdot\mathrm d\vec S=\int_C\vec F\cdot\mathrm d\vec r

We have

\vec F(x,y,z)=x^2\,\vec\imath+4x\,\vec\jmath+z^2\,\vec k

\implies\nabla\times\vec F(x,y,z)=4\,\vec k

Parameterize the ellipse S by

\vec s(u,v)=\dfrac{u\cos v}{\sqrt5}\,\vec\imath+\dfrac{u\sqrt5\sin v}4\,\vec\jmath

with 0\le u\le1 and 0\le v\le2\pi.

Take the normal vector to S to be

\dfrac{\partial\vec s}{\partial\vec u}\times\dfrac{\partial\vec s}{\partial\vec v}=\dfrac u4\,\vec k

Then the flux of the curl is

\displaystyle\iint_S4\,\vec k\cdot\dfrac u4\,\vec k\,\mathrm dA=\int_0^{2\pi}\int_0^1u\,\mathrm du\,\mathrm dv=\boxed{\pi}

4 0
3 years ago
Clarence sells yearly subscriptions to a particular magazine. He sells at least 10 and no more than 25 subscriptions each week.
kobusy [5.1K]

We have that Clarence sells yearly subscriptions to a particular magazine.

He sells at least 10 and not more than 25 subscriptions each week.

The function f(t) = 48t represents the amount of money earned for selling t subscriptions each week.

So;

10 ≤ t ≤ 25

f(t) therefore is 48(10) ≤ f(t) ≤ 48(25)

This gives: 480 ≤ f(t) ≤ 1200

So the amount of money earned f(t) for selling t subscriptions each week is all multiples of 48 between 480 and 1200, inclusive.

8 0
3 years ago
Read 2 more answers
Can someone help me with this?
Gelneren [198K]

Answer:

all the above

Step-by-step explanation:

Don't take my word for it

8 0
3 years ago
During a recent rainstorm, 8 centimeters of rain fell in dubakus hometown, and 2.36 centimeters of rain fell in elliots hometown
Delicious77 [7]

Answer:

5.64 cm.

Step-by-step explanation:

Please consider the complete question.

During a recent rainstorm, 8 centimeters of rain fell in Dubaku's hometown, and 2.36 centimeters of rain fell in Elliot's hometown. During the same storm, 15.19 centimeters of snow fell in Alperen's hometown.

How much more rain fell in Dubaku's town than in Elliot's town?    

To find the amount of more rain that fell in Dubaku's town than in Elliot's town, we will subtract 2.36 cm from 8 cm as:

\text{Difference in rainfall over two towns}=8\text{ cm}-2.36\text{ cm}

\text{Difference in rainfall over two towns}=5.64\text{ cm}

Therefore, 5.64 cm of more rain fell in Dubaku's town than in Elliot's town.

6 0
3 years ago
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