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SVETLANKA909090 [29]
4 years ago
8

Please help asap!!! 16 points

Mathematics
1 answer:
Ahat [919]4 years ago
3 0
You are given a table in which each row represents the coordinates of points.  For example, in the first line, we have x=-7 and y=5.  Work through the four given equations, one at a time, subbing -7 for x and 5 for y; is the equation still true?  If yes, then you have found the correct answer.  B is the exception; I'd suggest you check out equations A, C and D first, before focusing on B.

Example:  D:  (5)-5 = 2((-7) + 7) leads to 0 = 0.  Is that true?  If so, D is likely the correct answer. 
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What are the answers
emmainna [20.7K]
2. A  3. D 4. B 5. C 6. A
7 0
4 years ago
A customer at the mall is shopping for holiday gifts, and is considering having them wrapped. He can get them wrapped at the dep
ycow [4]

It would include 25 gifts for the cost the same amount either way

<em><u>Solution:</u></em>

Let "a" be the number of gifts to be wrapped

He can get them wrapped at the department store, which charges $2 per gift

Therefore,

Cost at department store: 2(number of gifts)

Cost at department store:  2a

The customer can pay his niece a flat fee of $50 to wrap all of his gifts

Cost at his niece: 50

He has a certain number of small packages, it would cost the same amount either way

Therefore,

Cost at department store = Cost at his niece

2a = 50

Divide both sides by 2

a = 25

Thus it would include 25 gifts for the cost the same amount either way

6 0
3 years ago
Plz help me with this
jekas [21]

Answer:

10x^3 - 34x^2 + 33x - 7

Step-by-step explanation:

Multiply each term of the trinomial by each term of the binomial. Then combine like terms.

(2x^2 - 4x + 1)(5x - 7) =

= 10x^3 - 14x^2 - 20x^2 + 28x + 5x - 7

= 10x^3 - 34x^2 + 33x - 7

3 0
3 years ago
Read 2 more answers
Select the outlier in the data set.<br> 72<br> 82<br> 86<br> 88<br> 89<br> 92<br> 96<br> 98<br> 306
chubhunter [2.5K]

Answer:

306

Step-by-step explanation:

An outlier is a number that is not near the other numbers

306 is not near the other numbers

6 0
3 years ago
Simplify 9c + 7 + 3c + 5d
kotegsom [21]

Answer:

16d+7

Step-by-step explanation:

you add the 9c 3c to get 12d so you have the equation 12d+7+5d

3 0
3 years ago
Read 2 more answers
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