3 years ago

(10 POINTS AND BRAINLIEST FOR BEST)

Mathematics

2 answers:

Lana71 [14]3 years ago

8 0

Answer:

+4-7=-3 is the answer mate

Ira Lisetskai [31]3 years ago

6 0

Answer:

4 - 7 = -3

Step-by-step explanation:

A number sentence is a mathematical sentence, made up of numbers and signs. Therefore the number sentence to represent the model is: 4 - 7 = -3 because there are 4 positive charges and 7 negative charges, which make a 3 negative net charge

You might be interested in

Pls answer 13 b ill mark u brainlist

gladu [14]

Answer:

7 students

Step-by-step explanation:

1+2+4=7students

5 0

3 years ago

The least common multiple of 9 and 42 through prime factorization?

LUCKY_DIMON [66]

Answer:

Step-by-step explanation:

9= 3*3

42=3*7*2

7 0

2 years ago

1. AB = 11 and BC = 5. Find AC 2. AC = 16, BC = x + 4, AB = x + 14. Find x

lord [1]

The wording of the question kinda doesn't make sense in some parts, but I'll try anyway. 1 plus 4 is 5, and since BC is 5, x is 1 for BC. -3 plus 14 is 11, so x is -3 for AB.

5 0

3 years ago

Simplify answer as much as possible

AfilCa [17]

U= -1

-9u+6u=-36+39
-3u=3
u=-1

7 0

3 years ago

Amira can read 6 pages in 3 minutes. At this rate, how many pages can she read in 120 minutes? A 240 pages B 60 pages C 24 pages

kirill [66]

Answer:

Step-by-step explanation:

he reads 2 pages per minute multiply 120 by 2