2 years ago

Please help with this its confusing somehow :(

Mathematics

1 answer:

aniked [119]2 years ago

3 0

Answer: C.

Step-by-step explanation: divide -27 by 3

You might be interested in

In how many ways can 3person study groups beselected from a class of 25students?Note: nrn!r!(n-r)!nEnter

nlexa [21]

Answer:

2,300

Explanation:

This is given as:

$\begin{gathered} 25\text{ combination 3 represented as:} \\ ^nC_r=\frac{n!}{r!(n-r)!} \\ n=25 \\ r=3 \\ ^{25}C_3=\frac{25!}{3!(25-3)!} \\ ^{25}C_3=\frac{25\times24\times23\times22!}{3!\times22!} \\ ^{25}C_3=\frac{25\times24\times23}{3\times2\times1} \\ ^{25}C_3=2300 \end{gathered}$

Therefore, there are 2,300 ways that 3 persons can be selected from 25 people

8 0

10 months ago

Solve the following equation for the value for x.<br> 7(0.3x - 0.9) = 6x-0.6 (18 +4x)

tangare [24]

The answer to the question is: x=3

4 0

2 years ago

PLEASE HELP QUICKLY,15 POINTS AND WILL

zepelin [54]

Answer:

x=26

Step-by-step explanation:

The sum of the angles of a triangle add to 180 degrees

(2x-5)° +(4x-1)° + 30° = 180

Combine like terms

6x +24 =180

Subtract 24 from each side

6x+24-24 =180-24

6x = 156

Divide by 6

6x/6 =156/6

x =26

7 0

2 years ago

Students taking a make-up test receive the following grades: 77, 89, 88, 67, 91, 95, 83, 79, 81, and 65. Which grade has a perce

mixas84 [53]

The answer would be 67

8 0

2 years ago

How are yards and feet related

V125BC [204]

They are both measurements used to measure different distances. Feet are generally used in the US and yards are generally used outside the US. Although you might find yards being used as a unit of measurement in sports like football. Also, feet are usually larger than yards.

3 0

3 years ago

Please help with this its confusing somehow :(​

Please help with this its confusing somehow :(