What is 18÷(-9) equal

Mathematics

2 answers:

Westkost [7]3 years ago

4 0

18 divided by (-9) equals -2.

Dmitry_Shevchenko [17]3 years ago

4 0

-2 is the answer

So a negative divided by a positive is a negative so do 18/9 =2 and then make it negative

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The complete question in the attached figure

Let
Z---------------- > number of zacks stamps collections for a stamp show
T---------------- > number of teri's stamps collections for a stamp show
P--------------- > number of pacos stamps collections for a stamp show
we know that
Z=(3/10)*30-----------> Z=9
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the answer is
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Answer:

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The sum of two numbers is 59 and the difference is 15 . what are the numbers?

UkoKoshka [18]

Write a system of equation based on the number
For an instance, the two numbers are a and b.
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⇒ a + b = 59 (first equation)
"The difference is 15" can be written as follows.
⇒ a - b = 15 (second equation)

Solve the system of equation by elimination/substitution method.
First, eliminate b to find the value of a.
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a - b = 15
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a + b = 59
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C= 5(9*12)
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3 years ago