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vladimir1956 [14]
3 years ago
15

Find the difference. -7 - (-9)

Mathematics
2 answers:
sasho [114]3 years ago
8 0

Answer: The answer is 2.

Step-by-step explanation: If you have 2 minuses together, then that actually means a plus. -7+9 is 2.

Dahasolnce [82]3 years ago
7 0

Answer:

-7-(-9) a negative and a negative makes a positive so the new question will be -7+9 which should equal -16?

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Question ^^^^^^^^^^^^^^^^6
hichkok12 [17]

Answer:

no

Step-by-step explanation:

x+14=x14

4 0
2 years ago
Read 2 more answers
Lenny is offered jobs at two different companies. At company A, he gets a base salary of $55,000 with manual raises of $2500. At
mel-nik [20]
Before answering these questions, we need to write out both equations.
For Job 'A', his salary would be: 55,000 + 2,500n
This assumes 'n' equals the number of years Lenny spends at these companies. 
For Job 'B', his salary would be: 62,000 + 2,000n

A.
So basically we need to find a number were:
55,000 + 2,500n = 62,000 + 2,000n
is true. So basically solve ^that^ equasion.
55,000 + 2,500n = 62,000 + 2,000n
simplify
500n = 7,000
devide
n = 14
Fourteen years is your answer.

B.
     a. 55,000 + 2,500n
     b. 62,000 + 2,000n
So in order to answer this question, you basically just have to replace 'n' with the number '20', and see which one's bigger.
a. 
55,000 + 2,500(20)
55,000 + 50,000
105,000
b.
62,000 + 2,000(20)
62,000 + 40,000
102,000
105,000 > 102,000
So your answer is:
Lenny should go to company 'a' because 105,000 is greater than 102,000.
[[tip: If you want to wow, surprise, or confuse your teacher (depending on her actual intelligence) write something like, 'another reason Lenny should choose company 'a' is because it gives higher annual raises, which is better in long-term.' He/She may not get it though, lol, wrong class.]] 

Anyway, I hope this helped! :D
5 0
3 years ago
¿Cual es el monto producido por un capital de 7200 colocados al 4% anual durante 3 años y 4 meses ?
Ilia_Sergeevich [38]

Answer:

3 años 4 meses

 4   primer año

 4    segundo año

4    tercer año pero nos falta 4 meses  4/12 = .33333  esto x 4 los meses =    1.3333

____

13.3333

7200 * .133333= 959.9976  por aproximacion son 960

7200+960 = 8160 Es el monto producido

Opcion C

3 0
3 years ago
You have a 32-foot fence around a square garden. There are 4 equal sections. You paint 1/3 of one section of the fence.What frac
Vikki [24]
Where 1/3 of the 1 section had been painted, have each section have 3 parts. So each complete section will be 3/3. Where there is 4 section with 3 parts each, we have 12 parts. Thus, you painted 1/12 of the fence.
4 0
3 years ago
If the ratio of dogs to cats at an animal shelter is 2:5, then the number of cats is _____ times the number of dogs.
klio [65]
The answer is 2.5. Just make 5 and 2 0.4 as a ratio
8 0
3 years ago
Read 2 more answers
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