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Alborosie
3 years ago
15

When calculating probability what value is does the numerator represent and what value does the

Mathematics
1 answer:
andrew-mc [135]3 years ago
4 0

Answer:

Numerator represents number of ways achieving success.

Denominator represents total number of outcomes.

Step-by-step explanation:

P = \frac{number of succes events}{number of total events}

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The diameter of circle x is 15 centimeters.
rjkz [21]

Answer:

15.7 cm

Step-by-step explanation:

Circle x's circumference is 15 * pi = 47.1 cm

Circle y's is 20 * pi = 62.8

The difference is 62.8 - 47.1 = 15.7

5 0
2 years ago
Sorry, the last one wasn’t showing the picture. Is this a function or not? Also tell me how you got the answer. TwT ty
kap26 [50]

Answer:

yes this is a function

Step-by-step explanation:

simple method to find if something is a function

if you can draw a vertical line at any point on the graph and get two intersections, it is not a function

7 0
3 years ago
One number is 6 more than another. the difference between their squares is 192. what is the numbers?
Masteriza [31]
Let the number be x.
then the number is (x + 6)
the difference between their squares is 192
(x + 6)² - x² = 192

expanding we get;

x² + 12x + 36 - x² = 192
12x + 36 = 192
12x = 192 - 36
12x = 156
x = 13

the numbers are 13 and 19.

hope this helps, God bless!
7 0
3 years ago
Plzzzzzx anyone help me
Yuki888 [10]

First look at the points and find their x and y values. So we have:

(-3,3), (0,0), (3,3)

Next separate the x values and the y values

x values: -3, 0, 3

y values: 3, 0, 3

The x values are your domain and the y values are are range

So the answer is b

8 0
3 years ago
Find constants A and B such that (x + 7)/(x^2 - x - 2) = A/(x - 2) + B/(x + 1) for all x such that x≠ -1 and x≠ 2 Give your answ
Yanka [14]
For this case we have the following expression:
 (x + 7) / (x ^ 2 - x - 2) = A / (x - 2) + B / (x + 1)
 Rewriting we have:
 (x + 7) / ((x-2) (x + 1)) = A / (x - 2) + B / (x + 1)
 We multiply the equality by (x-2) (x + 1):
 x + 7 = A (x + 1) + B (x - 2)
 Rewriting we have the following system of equations:
 A + B = 1
 A - 2B = 7
 Solving the system we have:
 A = 3
 B = -2
 Answer:
 
constants A and B are:
 
A = 3
 
B = -2
6 0
3 years ago
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