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damaskus [11]
3 years ago
11

Which statements about opposites are true? Select each correct answer.

Mathematics
1 answer:
____ [38]3 years ago
7 0

Answer:

(a) TRUE

(b) TRUE

(c)  FALSE

(d) TRUE

Step-by-step explanation:

" The "opposite" of any number is also known as it's " additive inverse" i.e. for any number 'a' the additive inverse is 'a' ".

(a) TRUE

Since let us consider any negative number '-5' then it's opposite is '5' since (-5)+5=0

(b) TRUE

this could be seen clearly from the number line.

(c) FALSE

this statement is false since we can take example of zero.

the opposite of zero is 0 but 0×0≠1.

(d) TRUE

since 0-0=0.Step-by-step explanation:

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adam and betty purchased a printer together for $258. If adam paid $18 less than twice betty, how much money did Adam pay for th
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Answer:

Step-by-step explanation:

Let A = Adam, B = Betty

Adam and Betty purchased a printer together for $258.

This means we can say A + B = 258.

We are also told Adam paid $18 less than twice Betty.

You can write this as:

Adam = 2 x Betty - 18

A = 2B - 18

Substitute "A" into the A + B equation and you get:

A + B = 258

2B - 18 + B = 258

3B - 18 = 258

Add 18 to both sides.

3B = 258 + 18

3B = 276

Divide both sides by 3 to find B

B = 276/3 = 92 (This means Betty paid $92).

Since the total that they paid together was $258.

This means Adam pays the Total - How much Betty paid

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1 point

Step-by-step explanation:

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Barbra brought 5 amusement park tickets at a cost for $30 if she bought 7 tickets,how much would it cost
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Given part of the equation of a parabola in root form, y=a(x-3)(x+4). What is the value of ‘a’ if the parabola passes through th
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<em><u>Answer:</u></em>

The answer is: a = -2.

<em><u>Step-by-step explanation:</u></em>

A = -2, because after graphing the equation in Desmos and plugging in various values for a, I found that when a = -2, the equation passed through the point (-3,12), so that's the answer. I'll attach a photo of the graph.

Hope this helps! Feel free to give me Brainliest if you feel this helped. Have a good day, and good luck on your assignment. :)

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