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belka [17]
3 years ago
8

George is building a fence. He builds his fence at a constant rate of 1/3 section of fence every 1/2 hour. At this rate, which f

raction represents the section of fence George can build per hour? Enter your answer as a fraction. (Type as a decimal, round to the hundredths place)
Mathematics
1 answer:
stiv31 [10]3 years ago
6 0
Answer:
Fraction of fence = 2/3 which is approximately 0.67

Explanation:
We know that he finishes 1/3 of the fence in 1/2 an hour. To know the fraction he can finish in one hour, we will simply use cross multiplication as follows:
1/3 of the fence ...................> 1/2 an hour
?? of the fence ....................> 1 hour
Fraction of the fence = (1/3 * 1) / (1/2)
Fraction of fence = 2/3 which is approximately 0.67

Hope this helps :)
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Solve the equation.<br> 4/7 = 10/x
ruslelena [56]
2x=35
x=17,5
That the answer
8 0
3 years ago
If a right triangle has a hypotenuse equal to 17 and a leg equal to 15, find the third side.
Yanka [14]
Use the pythagorean theorem a.k.a{a}^{2} +  {b}^{2}  =  {c}^{2}
c is the hypotenuse while a & b are the legs
{15}^{2}   +  {b}^{2} =  {17}^{2}
225 + {b}^{2} = 289
subtract 225 from 289
{b}^{2}  = 64
square root both b and 64
the other leg is equal to 8
8 0
3 years ago
A gym charges $25 per month plus extra four dollars to swim in a pool for an hour if a member only has $45 to spend each month a
NeTakaya

Answer:

5 hours

Step-by-step explanation:

So the set fee is 25. 45-25 = 20. Now, 4 dollars an hour. 20/4 = 5, so 5 hours

8 0
2 years ago
What is the average rate of change for the function over the interval (-6,-4)
kozerog [31]

Answer:

i believe it is -4 1/3 i may be wrong

Step-by-step explanation:

difficult, let me see....

1st slope:-4

2nd slope:4/6

3rd slope:-3

-2+4/7-3=-5+4/6=-4 2/6=

-4 1/3

5 0
2 years ago
He coordinates of the vertices of a polygon are (−2, −2) , (−2, 3) , (2, 4) , (3, 1) , and (0, −2) .
Nitella [24]

Answer: The perimeter is 17.52


Step-by-step explanation:

1. You can plot the points, as you can see in the graph attached.

2. As you can see in the graph, the points are:

A(-2,-2)\\B(-2,3)\\C(2,4)\\D(3,1)\\E(0,-2)

And the lenghts <em>AB</em> and <em>EA</em> are:

AB=5

EA=2

3. To find the other lenghts, you can apply the formula for calculate the distance between two points:

distance=\sqrt{(x_{2}-x_{1})^{2}+(y_{2}-y_{1})^{2}}

4. Thefore, you have:

BC=\sqrt{(2-(-2))^{2}+(4-3)^{2}}=4.12\\CD=\sqrt{(2-3)^{2}+(4-1)^{2}}=3.16\\DE=\sqrt{(3-0)^{2}+(1-(-2))^{2}}=4.24

5. The perimeter is:

P=AB+CD+DE+EA\\P=5+4.12+3.16+4.24+2\\P=17.52

7 0
3 years ago
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