1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
Sidana [21]
3 years ago
5

Pls helppp me this is very very urgent

Mathematics
1 answer:
Nat2105 [25]3 years ago
4 0

Answer:

1. 5040

2. 20

Step-by-step explanation:

1. using the formula for permutation

nPr=n!/(n-r)!

10P4 = 10!/(10-4)!

=10*9*8*7*6!/6!

then we are left with

=10*9*8*7

=5040

2.using the formula for combination

nCr=n!/(n-r)!r!

6C3=6!/(6-3)!3!

=6*5*4*3!/3!3!

=6*5*4/3*2*1

=20

You might be interested in
A pencil holder shaped like a triangular prism is shown in the picture. The height of the pencil holder is 12 cm, and the volume
algol13

Answer:

18cm

Step-by-step explanation:

3 0
2 years ago
Read 2 more answers
Write an equation to model the sentence. How many cherries are left in a bowl of 52 cherries after you have eaten some?
Tresset [83]

Answer:

52 - x

Step-by-step explanation:

x \: is \: the \: cherries \: eaten

x is the cherries eaten

7 0
3 years ago
Given vector u, what is the magnitude, |u|, and directional angle, θ, in standard position?
Dominik [7]

The magnitude of a vector has to do with the vector length that is used to show the initial and final position of the vector.

<h3>What is a Vector?</h3>

This refers to the quantity that has a magnitude and direction and can be used to show position.

Hence, we can see that the vector, magnitude, and the directional angle values are not given so a general overview was given.

Read more about vectors here:

brainly.com/question/25811261

#SPJ1

5 0
2 years ago
Read 2 more answers
Find two positive nontrivial solutions of x^2-Ny^2=1 when N is 15, 7, or 99
Pavel [41]

Hello,


if n=15: (4,1),(31,8),(244,63)


if n=7: (8,3),(127,48),(2024,765)


if n=99: (10,1),(199,20),(3970,399)


(Pell 's equation)


Download xls
8 0
3 years ago
Read 2 more answers
HELPPPPP PLSS- What is the area of this figure? 9 yd 5 yd 7 yd 3 yd 2 yd 6 yd square yards​
Cerrena [4.2K]

Answer:

99

Step-by-step explanation:

9x5 + 7X6 + 3X4 + 2X6

5 0
3 years ago
Other questions:
  • Please help ASAP! I will mark Brainliest! Please answer CORRECTLY! No guessing! CHECK ALL THAT APPLY
    15·2 answers
  • A 6foot tree casts a 3.25 ft shadow. How tall is a tree that casts a 10 ft shadow?
    11·1 answer
  • You want to buy a new camera. The sale price is $129. The sign says that this is $45 less than the original cost. What is the or
    10·2 answers
  • A drama club is selling tickets to the spring musical. The auditorium holds 200 people. Tickets cost $12 at the door and $8.50 i
    10·1 answer
  • Given the bivariate data: age of person and the amount of money he makes, identify "amount of money he makes" .
    11·1 answer
  • An industrial expert claims that the average useful lifetime of a typical car transimssion which comes with ten years warranty i
    7·1 answer
  • Help me find the volume of this shape. step-by-step explanation please!!
    13·1 answer
  • Please help I’ll mark u :(:
    13·2 answers
  • HELPPPPPP PLEASEEEEee 34 + 2 ⋅ 5 = ____. (Input whole numbers only.) (1 point)
    12·1 answer
  • If Avogadro's number of pennies is divided equally among the 246 million men, women, and children in the United States, how many
    12·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!