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yawa3891 [41]
4 years ago
5

-7x-3x+2=-8x-2 can you please show your work how

Mathematics
1 answer:
iVinArrow [24]4 years ago
8 0

Answer:

x = 2

Step-by-step explanation:

Given

- 7x - 3x + 2 = - 8x - 2 ← simplify left side

- 10x + 2 = - 8x - 2 ( add 8x to both sides )

- 2x + 2 = - 2 ( subtract 2 from both sides )

- 2x = - 4 ( divide both sides by - 2 )

x = 2

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Harlamova29_29 [7]

Answer:

90

Step-by-step explanation:

5 0
3 years ago
Antonio orders an iPhone case off of Amazon for $27. He has to pay an additional 3% for shipping and handling. How much will his
Wewaii [24]

Answer:

We conclude that total cost/bill will be: $27.81  

Step-by-step explanation:

Given

The cost of an iPhone case = $27

Additional expense = 3% = 3/100 = 0.03

To determine

Total bill = ?

The expense amount can be calculated by multiplying the cost of an iPhone case by the additional expense

i.e.

Expense Amount = cost of an iPhone case × additional expense

                             = 27 × 0.03

                             = $0.81

The total cost is calculated by adding the expense amount and the original cost of an iPhone case.

i.e.

Total cost/bill = Expense Amount + cost of an iPhone case

                  = $0.81 + $27

                  = $27.81

Therefore, we conclude that total cost/bill will be: $27.81            

6 0
3 years ago
Which of the binomials below is a factor of this trinomial? x^2-5x-36
konstantin123 [22]
The factors would be (x-9)(x+4).

You can use the decomposition method to find this. I personally use the chart method so I do not necessarily know how to explain the decomp method in detail. However the idea and end goal are the same for both of them.
Try to find what multiplys to the last part of the polynomial but will add to the middle part.
To check your work/factors you can try multiplying/foiling them out again to see if you get your original polynomial.
5 0
3 years ago
Three cubes of edge 12 cm are joined together (end to end).Find the volume of the resultng cuboid
Citrus2011 [14]
I think the answer is 20,736 cm2
5 0
3 years ago
Recipe asks for 4 1/2 pounds of chicken
ohaa [14]
Since a whole recipe asks for 4 1/2 pounds of chicken, then for a 1/2 recipe, you divide 4 1/2 by 2.

It’s easier to turn 4 1/2 to 4.50

4.50/2 = 2.25 or 2 1/4

You need 2 1/4 pounds of chicken for 1/2 of a recipe.
3 0
3 years ago
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