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harkovskaia [24]
3 years ago
7

In the formula i=p·r·t, what does p stand for?

Mathematics
2 answers:
serious [3.7K]3 years ago
7 0

so P = principal : the amount of money u initially invest

Artemon [7]3 years ago
6 0
I = P * R * T
Interest = principal * rate * time

so P = principal : the amount of money u initially invest
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The probability of rain =0.2, sun=0.3,cloud=0.5. What is the probability of rain and sun over a two day period?
svp [43]

Answer:

0.2752512

Step-by-step explanation:

The formula you are looking for is the binomial probability:

               

                n!

P (X) = ------------    * (P)^X  * (q)^n - X

           (n- X)! X!    

For your particular problem:

n=7

X=2

 

q = 1-p = .8

7!/(5!*2!)*(.2)^2*(.8)^5 = 0.2752512

Hope this helps, have a nice day/night! :D

6 0
2 years ago
the length of a rectangle is 2 inches longer than twice its width. If the area of the rectangle is 24 square inches, what are th
gregori [183]

Answer:

The length is 8 inches and the width is 3 inches

Step-by-step explanation:

Let w represent the width.

The length can be represented by 2w + 2

Use the area formula, A = lw, and plug in the area and the expressions for the length and width:

A = lw

24 = (2w + 2)(w)

Simplify and solve for w:

24 = 2w² + 2w

2w² + 2w - 24

Divide everything by 2:

w² + w - 12

Factor:

(w + 4)(w - 3)

Set equal to 0 and solve for each factor:

w + 4 = 0

w = -4

w - 3 = 0

w = 3

Since the width cannot be negative, the width has to be 3.

Next, find the length by plugging in 3 as w:

2w + 2

2(3) + 2

= 8

So, the length is 8 inches and the width is 3 inches

7 0
3 years ago
The length of a spring varies directly with the mass of an object that is attached to it. When a 30-gram object is attached, the
kicyunya [14]

Answer:

it is b

Step-by-step explanation:

6 0
3 years ago
Read 2 more answers
What is the GCF of 35,42,38
lbvjy [14]
The greatest common factor (GCF) of 35, 38, and 42 is 1.

There are no common prime numbers, so the GCF is 1.
8 0
3 years ago
Steven has some money if he spends nine dollars then he will have 3/5 of the amount he started with
Vesna [10]
Total money * fraction = part
x* \frac{3}{5} =9 \\ ( \frac{5}{3}) * \frac{3x}{5} = 9* \frac{5}{3} \\ x= \frac{45}{3} =15
5 0
3 years ago
Read 2 more answers
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