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Ratling [72]
4 years ago
8

In cold climate areas, trucks are used to disperse salt on the roads in order to de-ice the roads, making them safe for travel.

In some cases, cone -shaped sheds store the salt during the off-season, or until the roads need to be de-iced. A small salt storage shed sits 6 feet above the ground and has a diameter of 40 feet. To the nearest cubic foot, what is the maximum capacity of a small salt storage shed? Use 3.14 for . In your final answer, include all of your calculations. (PLEASE I NEED YOUR CALCULATIONS TOO)
Mathematics
1 answer:
Vaselesa [24]4 years ago
7 0
We'll use the volume of a cone to answer this one. The formula is:
V=\frac{1}{3} \pi r^2h

We are given h=6, d=40 so r=20. Substituting into the formula:
V=\frac{1}{3}(3.14)(20)^2(6)=2512 ft^3
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Find the coordinates of the image after a reflection across y=-1 followed by a translation <2,-1>.
tiny-mole [99]

Answer:

S' (1,-2)

S'' (0,0)

Step-by-step explanation:

5 0
3 years ago
What is the answer for 7x-(7+3x)
Papessa [141]

Answer:

4x - 7

Step-by-step explanation:

We can simplify this expression by subtracting the binomial (a bracket with two terms) and collecting like terms (numbers with the same variable).

When subtracting a binomial, are actually multiplying each term in the binomial by negative one.

7x -(7 + 3x)

= 7x -1(7 + 3x)       Distribute -1 to each of the numbers

= 7x + (7*(-1) + 3x*(-1))     Multiply

= 7x + (-7 - 3x)       Get rid of the brackets.

= 7x - 7 - 3x          Combine like terms

= 4x - 7               Simplified expression

7 0
4 years ago
There are 27 students in Mr. White's homeroom.
solong [7]

Answer:

0.3935 to 4 places of decimals.

Step-by-step explanation:

Use  binomial probability tables  or an online probability calculator.

Here Prob(a singles success) = 0.08333  ( that is 1/12)

Number of successes = 3 and number of trials = 27.

You want the probability of the variable X being >= x.

6 0
3 years ago
PLSSSS HELP ASSAP 50 POINTS FPR FIRST PERSON TO ANSWER ​
Dafna1 [17]

Answer:

a. 2/3 or 0.6666...

b. AB = 6cm and AD = 3cm

Step-by-step explanation:

28/42 = 2/3

14/21 = 2/3

42*1/7 = 6

21*1/7 = 3

6 0
3 years ago
Supervisor a earns a flat rate of $25 per hour, while supervisor b earns $20 per hour for the first 30 hours and then 50% more f
mixas84 [53]
Let same number of hours = x, 
since the salary earned is also the same, then
Salary of supervisor A = $25x
Salary of supervisor B = $20(30)+$30(x-30)
Equating
25x=600+30(x-30)
30x-25x=900-600
5x=300
x=60 hours
Check:
Salary of supervisor A = 25*60=1500
Salary of supervisor B =  20*30+30*(60-30)=600+900=1500, ok.
5 0
4 years ago
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