2 years ago

Choose the correct formula for combination. A . n!/r!(n-r)! B. n!/(n-r)!

Mathematics

1 answer:

OleMash [197]2 years ago

4 0

Answer:

Step-by-step explanation:

The number of combinations of n objects taken r at a time is determined by the following formula: C(n,r)=n!/(n−r)!

You might be interested in

Dominic is 72 inches tall and casts a 6o inch shadow his son who is standing next to him cast a 50 inch shadow how tall is his s

Lostsunrise [7]

Dominics son is 45inches tall

Step-by-step explanation:

Let his sons height be 'h'

If Dominic is 72 inches and casts a shadow of 60 inches. His son casts a shadow of 50 inches.

Then We can say that,

h = 50 x (72/60)

h = 45 inches

Dominics son is 45inches tall

3 0

2 years ago

Please help me out you guys

s344n2d4d5 [400]

Answer:

okok I willl hel0 you out

5 0

2 years ago

Read 2 more answers

Helpppppppppppppppppppppppp pleaseeeeeeeeeee

Alex_Xolod [135]

Answer:

true

Step-by-step explanation:

6 0

2 years ago

Read 2 more answers

Give the value of the expression from (a) when x=10 (i just need the answer for B)

Masteriza [31]

Answer:

257

General Formulas and Concepts:

Order of Operations: BPEMDAS

Step-by-step explanation:

Step 1: Define

2x² + 5x + 7

x = 10

Step 2: Evaluate

Substitute: 2(10)² + 5(10) + 7
Exponents: 2(100) + 5(10) + 7
Multiply: 200 + 50 + 7
Add: 250 + 7
Add: 257

5 0

2 years ago

HELPPP!! PLZ COMMENT THE ANSWERS FOR THE BOXES!

Lunna [17]

0.25 is a demimal

the one to the right of that is a ratio

the one under that is equivalent fractions

the one the right of equivalent fractions is simplest form

5 0

2 years ago