All categories

3 years ago

Which expression correctly represents twice of the sum of four and a number

Mathematics

2 answers:

tino4ka555 [31]3 years ago

5 0

Let "a number" be represented with the variable x.

Solve the expression by breaking it apart:

"...the sum of four and a number": (x + 4)

"twice of...": 2(

"Twice of the sum of four and a number": 2(x + 4)

2(x + 4) is your answer.

yan [13]3 years ago

3 0

Answer:An expression that correctly represents twice of the sum of four and a number is

2(x + 4)

Step-by-step explanation:

Let the number be represented by x. An expression that correctly represents twice of the sum of four and a number would be

2(x + 4)

You might be interested in

Put the following equation of a line into slope-intercept form 4x+3y=-21

s2008m [1.1K]

Answer: Y=( $\frac{4}{3}$ ) x-7

Step-by-step explanation:

8 0

2 years ago

Find Angel C !!! Thank you

Mamont248 [21]

Answer:

c = 24

Step-by-step explanation:

Angle c is supplementary to 146 and their sum is 180

c + 146 = 180 subtract 146 from both sides

c = 34

5 0

3 years ago

Which represents the empirical formula for A3B9? AB3 AB2 A3B9 A9B27

DaniilM [7]

Answer:

$AB_{3}$

Step-by-step explanation:

Given : $A_{3}B_{9}$

To Find : Which represents the empirical formula for $A_{3}B_{9}$ ?

Solution:

Definition of Empirical Formula - A formula that gives the simplest whole-number ratio of atoms in a compound.

$A_{3}B_{9}$

To reduce it in simplest form

Divide the subscript numbers by 3

So, the resultant : $AB_{3}$

Thus the empirical formula for $A_{3}B_{9}$ :

$AB_{3}$

5 0

3 years ago

Read 2 more answers

Round 34,689.37 to: a. the nearest tenths: b. the nearest thousands:

Irina18 [472]

Answer:

A. 34,689.370

b.35,000.00

Step-by-step explanation:

3 0

3 years ago

PLEASE HELP MEE ASAP!

Anna71 [15]

Answer:

Step-by-step explanation:

1/6

3 0

3 years ago