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Anna11 [10]
3 years ago
8

A soccer field has an area of 7/8 square miles. The length of the field is 2/5 miles. What is the width of the soccer field?

Mathematics
1 answer:
weeeeeb [17]3 years ago
5 0
7/8=2/5x
If you solve this you get 2.1875 or 35/16
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For what values of b will F(x) = logbx be a decreasing function?
Anastasy [175]

Answer:

It is a decreasing function for 0 < b < 1.

Step-by-step explanation:

Logarithm function:

The logarithm function is given by:

F(x) = \log_{b}{(x)}

The base b determines if the function increases or decreases.

For 0 < b < 1, the function decreases.

For b > 1, the function increases.

In this question:

By the definition above, it is a decreasing function for 0 < b < 1.

3 0
3 years ago
a satellite's escape velocity is 6.5 mi/sec, the radius of the earth is 3960 mi, and the earth's gravitational constant is 32.2
Artyom0805 [142]

Answer:

23.89x10^{6} ft

Step-by-step explanation:

\frac{V^{2} }{R^{2} } = \frac{2g}{R+h} \\ This is the formula to find satellite's escape velocity V , where R is earth's radius, h is the satellite's height from the earth surface and g is the earth's gravitational constant.

R^{2}(R+h) \frac{V^{2} }{R^{2} } =R^{2} (R+h)\frac{2g}{R+h}   (Multiplying to clear the fractions)

(R+h)V^{2} =R^{2} 2g

R+h=\frac{2R^{2}g }{V^{2} }

h= \frac{2R^{2} g}{V^{2} } -R

Now, we can determine height of satellite from the surface of the earth

by putting the values in above equation

h= \frac{2 * (3960)^{2}*32.2 }{6.5^{2} } -3960\\h= 23.902 x10^{6} - 3960\\ h=23.89x10^{6} ft

5 0
3 years ago
The perimeter of a rectangle is 26 inches. the length of the rectangle is 1 more than three times the width. how many inches lon
Gennadij [26K]
I GOT IT 
3 = width
10 = length

Hope this helped :)
3 0
3 years ago
A rectangular prism has a volume of 30 cubic inches.It's length is 1/3and it's width is 3 feet. What is the height?
algol13

V = WHL

30 = \frac{1}{3}*3*L

30 = 1*L

30 = L

8 0
3 years ago
PLZ HELP NO LINK THIS IS EXTRA CREDIT BC IM FAILING OR I WILL HAVE NO SUMMER!!!!!
Bumek [7]
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3 0
3 years ago
Read 2 more answers
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