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ololo11 [35]
3 years ago
9

How do I solve? -2x2y3 · 14x2y3

Mathematics
1 answer:
Sever21 [200]3 years ago
7 0
(-2x2y3)(14x2y3) = -28x^4y^6
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What is the final efficiency of Lily's car in kilometers per liter?
Elena-2011 [213]

Answer:

12.5 km per liter

Step-by-step explanation:

To get the kilometer per liter divide km by liters

100/8=12.5

7 0
3 years ago
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Sergeu [11.5K]

Answer:

0.33

Step-by-step explanation:

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4 years ago
Find the area of the trapezoid. If the answer is not an integer, leave it in simplest radical form. The figure is not to scale
natali 33 [55]

Answer:

150 ft²

Step-by-step explanation:

Area of trapezoid = ½(a + b)h

Where,

a = 24 ft

b = 24 + 12 = 36 ft

h = √(13² - 12²) = √25 = 5 ft (pythagorean theorem was applied here)

Plug in the values

Area of trapezoid = ½(24 + 36)*5

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Area of trapezoid = 150 ft²

7 0
3 years ago
18. A science teacher has a supply of 20% saline solution and a supply of 50% saline solution. How much of each solution should
IrinaK [193]

Answer: Option 'B' is correct.

Step-by-step explanation:

Since we have given that

There is a supply of 20% saline solution and a supply of 50% saline solution.

If a teacher wants to mix together to get 60 ml of 28% saline solution for an experiment.

We will use "Mixture Allegation" to find the quantity of each solution:

Ist type of solution                           II nd type of solution

      20%                                                       50%

                                    28%

--------------------------------------------------------------------------------------

50%-28%                        :                         28%-20%

 22%                               :                            8%

  11                                  :                             4

Since there is total quantity of 60 ml of solution.

So, Quantity of 20% solution in the mixture is given by

\frac{11}{15}\times 60=11\times 4=44\ ml

Quantity of 50% solution in the mixture is given by

\frac{4}{15}\times 60=4\times 4=16\ ml

Hence, there is 44 ml of the 20% solution and 16 ml of the 50% solution.

Therefore, Option 'B' is correct.

8 0
3 years ago
PLEASE. Help with question 12
Arlecino [84]

Answer:

The graph of the parent function f(x) = |x| is dashed and the graph of the transformed function g(x) = |x| + k is solid. Use the slider to change the value of k. How does changing the value of k affect the graph? Positive values of k shift the graph . Negative values of k shift the graph .

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