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Vikentia
12 days ago
5

A coffeehouse charges a flat rate,r, for each hour customer wants to use the internet. Enter an equation to express the total co

st,c,to use the internet at the coffeehouse for t hours.
Mathematics
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On a certain day, the temperature changed at a rate of 3°F per hour. How long did it take for the change in temperature to be -3
zzz [12365]

Answer:

I believe it takes around 11 hours.

Step-by-step explanation:

Assuming the starting temperature is 0 degrees, I can conclude it takes 11 hours, as 11*3 = 33. If it starts at 3 degrees, it would be 3*12 = 36 degrees.

7 0
2 months ago
Bouquets are to be made using white tulips and red tulips, and the ratio of the number of white tulips to the number of red tuli
Zina [12379]
B. 5 Step-by-step explanation: The greatest common factor of 85 and 15 is 5, leading to a ratio of red to white tulips of 17:3. Red tulip ratio becomes 85/5 = 17, while white tulip ratio turns out to be 15/5 = 3.
4 0
1 month ago
Consider the polynomial 9x2 – 16. What is the value of ac? What is the value of b? What two numbers multiply to get ac and add t
AnnZ [12381]
9x² - 16 = (3x - 4)(3x + 4). A C. The product of a and c is 16(9x²), which equals 144x². The value of b is zero as there is no b term (b stands for x, which is not x², but simply x). Hope this information is useful.
3 0
2 months ago
Read 2 more answers
A hollow sphere sits snugly in a foam cube so that the sphere touches each side of the cube. Find the volume of the foam.
Leona [12618]

Answer:

                          π

V-foam = 4r³( 2 - ----- )

                             3

Step-by-step explanation:

Let r denote the radius of the sphere. The volume of the sphere is expressed as

V = (4/3)(π)(r³).

Next, understand that the cube's side length is 2r, hence the cube's volume is

V = (2r)³, which equals 8r³.

The volume of the foam is derived from the cube's volume subtracting that of the sphere:

V-foam = 8r³ - (4/3)(π)(r³). This can be simplified to

                          π

V-foam = 4r³( 2 - ----- )

                             3

5 0
3 months ago
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