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m_a_m_a [10]
3 years ago
9

The sum of -7.68 and it’s additive inverse is??

Mathematics
1 answer:
Readme [11.4K]3 years ago
4 0
The answer is 0. the additive inverse of a negative number is the same number but positive. to find the sum means to add them together. for example take 2 and -2. 2 is the additive inverse of -2. if you add 2+-2 the answer comes out to 0
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ivanzaharov [21]

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Step-by-step explanation:

                         

5 0
3 years ago
Help please i really really really need it.....
ruslelena [56]

A)

s = sweater

j = jeans

Equations:

4s + 2j = 140

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B)

4s + 2j = 140

2s + 3j = 150

Multiply (-2) to the second equation

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Now you have the equations:

4s + 2j = 140

-4s - 6j = -300

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The cost for a sweater is $15 and the cost for a jean is $40

We used the elimination method to solve the system of equations.

C)

Each pair of jean, she will buy 3 sweaters so total = 40 + 3(15) = $85

Total cost for 1 pair of jeans and 3 sweaters = $85

If she has $225 the

$225 / $85 = 2.64

2 jeans = 2 x 40 = $80

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3 0
3 years ago
A cone has a volume of 314 cubic millimeters and a height of 12 millimeters. What is its
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Answer:

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Step-by-step explanation:

using the formula of volume of cone i.e. 1/3 ×πr²h

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That would also be 35
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