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mrs_skeptik [129]
2 years ago
15

he Carson family will purchase three used cars. There are two models of cars available, Model A and Model B, each of which is av

ailable in four colors: blue, black, red, and green. How many different com
Mathematics
1 answer:
beks73 [17]2 years ago
7 0

Answer:

Total number of combination = 32

Step-by-step explanation:

Given:

Number of cars = 3

Number of models = 2.

Number of color = 4

Find:

Total number of combination

Computation:

Total number of combination = [2³ x (2x3) x 4] / !3

Total number of combination = 32

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Step-by-step explanation:

{x}^{2}  - 14x  - 25 {y}^{2}  + 100y = 76

Factor by grouping,

( {x}^{2}  - 14x)   - (25 {y}^{2}  - 100y) = 76

Complete the square, with the x variables,

( {x}^{2}  - 14x + 49)  - (25 {y}^{2}  - 100y) = 125

Factor out 25 for the y variables

( {x}^{2}  - 14x + 49) - 25( {y}^{2}  - 4y) = 125

Complete the square

( {x}^{2}  - 14x + 49) - 25( {y}^{2}  - 4y + 4) = 25

Simplify the perfect square trinomial

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Make the right side be 1 so divide everything by 25.

\frac{(x - 7) {}^{2} }{25}  -  (y - 2) {}^{2}  = 1

Here our center is (7,2).

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2 years ago
What is the result when the number 66 is decreased by 8%?
Andrej [43]

Answer:

60.72

Step-by-step explanation:

Simply if you can, use a calculator and do one of two things. First off, the easier way, you can do 92% of 66, which is 60.72, the more difficult way is to find 8% of 66 which is 5.28, and then subtract 66 by 5.28 which is 60.72. Hope this helps

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Answer:

Thank you

Step-by-step explanation:

Have a great day :D

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2 years ago
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This means that he would drink 1 3/4 of tea every 20 minutes (divide both sides by 2).

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He drinks 5 1/4 liters of tea in one hour.

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Elodia [21]

Answer:

not sure if im right but this is my problem

3b=7

Step-by-step explanation:

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