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Dvinal [7]
3 years ago
8

The average wind speed increased 19 mi/h from 8 A.M. to noon. The average wind speed decreased 5 mi/h from noon to 4 P.M. At 4 P

.M., the average wind speed was at leasr 32 mi/h. What is the minimum value of the average wind speed at 8 A.M.?
Mathematics
1 answer:
aleksandr82 [10.1K]3 years ago
5 0
Oops dont know sorry i am just bad at math
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The base of a basketball goal has the shape of a rectangular pyramid. The base of the goal must be filled with sand so the goal
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Answer:

  B.  15 ft^3

Step-by-step explanation:

The volume of a pyramid is given by the formula ...

  V = (1/3)Bh

where B represents the area of the base, and h represents the height.

The base is apparently a rectangle, so its area is the product of its length and width:

  B = L·W = (4.5 ft)(4 ft) = 18 ft^2

Then the volume is ...

  V = (1/3)(18 ft^2)(2.5 ft) = 15 ft^3

15 cubic feet of sand will be needed to fill the base.

3 0
3 years ago
A scale drawing of a door is 2 cm high. If the scale is 1 cm = 4 meters, what is the actual height of the door?
Vanyuwa [196]
2*4= 8 meters

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I hope this helps!
~kaikers
4 0
3 years ago
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find the x intercept of the graph of the equation y equals -2.65 x + 25. what does the x intercept mean in terms of the situatio
natali 33 [55]
Ok so we can see for every 2 cups of medium coffee, the balance goes down 5.30$. So that means that for every coffee, her balance goes down 2.65$. Solving for the x-intercept means how many medium coffees can I get until my balance is 0. First, we have to find the y-int so it's easy. The slope is -2.65 because for every medium coffee, her balance goes down 2.65$. So we have y=-2.65x+b. Plugging in any point, I choose (4,14.40), we get 14.4 = -2.65 × 4 +b. Solving for b we get 25 for the y intercept, meaning the equation is y = -2.65x + 25 . To find the x intercept, we set y=0. So we have 0 = -2.65x+25. Solving for x we get approx. 9.4. We can't have decimals so we round down to 9. So the x int is ≈ 9.4 meaning we can only buy 9 coffee and have a little extra. But, if the problem said how many more coffees can she get, then here is how we do it. Since she already got 4 coffees, and the max is 9, we do 9-4 and we get 5, so she can buy 5 coffeed more.
3 0
3 years ago
Josh estimates the height of his desk what is a reasonable estimate
Vikki [24]
A reasonable estimate would be 3 feet
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3 years ago
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A scuba diver is 240 feet below sea level and descends 50 feet further down to observe the sea life.
taurus [48]

Answer:

The new position is 190 feet below sea

Step-by-step explanation:

240-50=190

8 0
2 years ago
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