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leonid [27]
3 years ago
7

Plzzzzz hellllppppp!!!!

Mathematics
1 answer:
Mashutka [201]3 years ago
8 0
Y=x3 +2 is the answer
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The formula for the volume of a cylinder is v= 3.14r^2h. A cylinder has a volume of 300x feet ^3 and a radius of 5 feet
Fudgin [204]

Answer:

Height = 3.82

Step-by-step explanation:

(3.14)(5)²

(3.14)(25)

= 78.5

300 = 78.5h

300/78.5 = 78.5h/78.5

h = 3.821656051 or approximately 3.82

7 0
2 years ago
A bag with 12 marbles has 3 red marbles and 5 yellow marbles. A marble is chosen from the bag at random. What is the probability
alexgriva [62]

Answer:

3/12 = 1/4

Step-by-step explanation:

There are 12 marbles in the bag.  If the marble drawn at random is red, it is one of the 3 red marbles.

The probability is "3 out of 12" = 3/12 which simplifies to 1/4.

7 0
3 years ago
Read 2 more answers
Nora makes $3,000 a month. The key chart below shows how much she spends her money. How much money does Nora spend on each categ
Eduardwww [97]
Rent: $ 780
Food:$ 900
Medical:$ 450
Clothes:$ 300
Miscellaneous:$ 570
8 0
3 years ago
Please help!!! I don’t get any of this can someone please explain what to do and how I can get my answer????
diamong [38]
Its just a matter of subbing ur numbers into the formula given
1. d = rt
    when r = 144 and t = 18
    now we sub
    d = 144 * 18
    d = 2592 <==
2. d = rt
    when r = 56 and t = 3.5
    sub
    d = 56 * 3.5
   d = 196 <==

3. A = L * W
    when L = 2 ft and W = 15 inches....this one u have to convert to     inches...2 ft = 24 inches...so L = 24 and W = 15
    A = 24 * 15
    A = 360 in^2 <==

4. A = L * W
    L = 3m and W = 32 cm...have to convert to cm.....1 m = 100 cm...so 3 m = 300 cm
    A = 300 * 32
    A = 9600 cm^2 <==

u basically do the same for all the others....its just a matter of subbing and solving
  
    
7 0
2 years ago
The diameter of a bacteria colony that doubles every hour is represented by the graph below. What is the diameter of the bacteri
SOVA2 [1]

For this case we have a function of the form:

y = A * (b) ^ x

Where,

A: initial population of bacteria

b: growth rate

x: number of hours

Since the diameter is double every hour, then:

b = 2

We must now look for the value of A.

To do this, we evaluate an ordered pair of the graph:

For (1, 2):

2 = A * (2) ^ 1

Clearing A we have:

2 = A * 2

A = \frac{2}{2}\\A = 1

Then, the function is given by:

y = 1 * (2) ^ x

For after 9 hours we have:

y = 1 * (2) ^ 9\\y = 512

Answer:

the diameter of the bacteria after 9 hours is:

y = 512

6 0
2 years ago
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