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Nadya [2.5K]
2 years ago
14

Which expressions are equivalent to the expression −6x + 8? Select all that apply. 1. −2(3x + 4) 2. 2(−3x + 4) 3. 5(x + 1) − 11x

+ 3 4. x + 2 − 7x + 6 5. 8 − 6x
Mathematics
1 answer:
ki77a [65]2 years ago
6 0
1)
-2(3x+4)=-6x-8≠-6x+8

2)
2(-3x+4)=-6x+8

3)
5(x+1)-11x+3=5x+5-11x+3=-6x+8

4)
x+2-7x+6=-6x+8

5)
8-6x=-6x+8

Answer: The expressions 2,3,4 and 5 are equivalents.
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The Rodriguez family went to dinner at at Pasta Palace. Mr. Rodriguez ordered a meal for $6.25; Mrs. R ordered a meal for $7.50;
lidiya [134]
Cost of the meal ordered by Mr. Rodriguez = $6.25
Cost of the meal ordered by Mrs. Rodriguez = $7.50
Cost of each pizza ordered by the two children = $4.99
Then
The cost of the 2 pizzas ordered by the 2 children = (2 * 4.99) dollars
                                                                                 = 9.98 dollars
So
The total cost of the orders = (6.25 + 7.50 + 9.98) dollars
                                             = 23.73 dollars
Percentage of tip on the bill = 15%
Then
Amount of tip paid = (15/100) * 23.73 dollars
                              = 355.95/100 dollars
                              = 3.56 dollars
Percentage of tax paid on the bill = 7.25%
Amount of sales tax that was paid = (7.25/100) * 23.73 dollars
                                                       = 172.04/100 dollars
                                                       = 1.72 dollars
So
The total bill that was paid = (23.73 + 3.56 + 1.72) dollars
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4 0
3 years ago
Can someone please help me this?<br> Math 8
Viefleur [7K]

Answer:

5x + ( - 8)x + 9 + ( - 4) \\ 5x - 8x + 9 - 4 \\  - 3x + 5

this is the solution

5 0
3 years ago
Define the variable plz ASAP!!!!
Ksivusya [100]
There are 20 questions on the quiz.
4 0
3 years ago
Use the Order of Operations to simplify: 3(8 - 4*5)
aleksklad [387]

Answer:

<h2>-36</h2>

Step-by-step explanation:

3\left(8-4\cdot \:5\right)\\\mathrm{Follow\:the\:PEMDAS\:order\:of\:operations}\\\\\mathrm{Calculate\:within\:parentheses}\:\left(8-4\cdot \:5\right)\::\quad -12\\=3\left(-12\right)\\\\\mathrm{Multiply\:and\:divide\:\left(left\:to\:right\right)}\:3\left(-12\right)\:\\:\quad -36

3 0
2 years ago
Read 2 more answers
Please answer correctly !!!! Will mark brainliest !!!!!
Dahasolnce [82]

Answer:

f(2) =-5

Step-by-step explanation:

We want to find the value of the function when x =2

When x=2 the y value is -5

f(2) =-5

7 0
3 years ago
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