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mars1129 [50]
3 years ago
15

Re-write the quadratic function below in Standard Form y = 2(x + 5)² + 3.​

Mathematics
1 answer:
zmey [24]3 years ago
7 0

Answer:

2x^{2} +20x+53

Step-by-step explanation:

2(x^2 + 10x + 25) + 3

2x^2 + 20x + 50 + 3

2x^2 + 20x + 53

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How to do exterior angle
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The exterior angles of a polygon all add to 360, if you need to find an exterior angle when given the number of sides and that all angles are equal you simply do: 360/ number of sides.
When you need to find the exterior angle when given an interior angle, you do: 180- interior angle.

Hope this helps :)
5 0
3 years ago
Find the median of the following data 20,14,6,25,18,13,19,10,9,12
vivado [14]

Step-by-step explanation:

1. Arrange all the numbers in ascending order.

2. Since there are 10 numbers, there will be 2 numbers in the middle, add those two middle numbers and divide by 2.

3. The result is your answer.

5 0
3 years ago
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In a recent telephone survey, 5,000 randomly selected teenagers were asked to cite their primary social network sites. Six of 10
aleksklad [387]

Answer:

b. There is a 95% chance that the true proportion of teenagers who use Mybook as their primary social network site is in the interval (0.2964, 0.9036).

Step-by-step explanation:

Hello!

In general, a 95% confidence interval for the population proportion can be interpreted as: There is a 95% chance (or confidence) that the interval will contain the true value of the proportion.

(Remember the confidence level of 95% means that if you were to make 100 intervals for the population proportion, 95 of them will contain its true value)

The estimated parameter is the population proportion of teenagers that use Mybook as their primary social network site.

With this in mind then you can say that there is a 95% probability that the interval (0.2964, 0.9036) will contain the true value of the proportion of teenagers that use Mybook as their primary social network site.

The correct answer is: b

I hope this helps!

8 0
3 years ago
Identify the initial amount a and the growth factor b in the exponential function. f(x) = 620 • 7.8x
jenyasd209 [6]

Answer:

Initial amount (a)= 620

Growth factor (b)= 7.8

Step-by-step explanation:

620 is the initial amount and is multiplied by 7.8 x which is the growth factor.

7 0
3 years ago
The fish is 25 millimeters long. the guinea pig is 25 centimeters long whats the difference
PilotLPTM [1.2K]
Every millimeter is 1/10 of a centimeter, so 1 mm = 0.1 cm and 50 mm = 5 cm. This means that 25 mm can be re-written as 2.5 cm, and we can then find the difference by doing 25 - 2.5 = 22.5 cm. If you were looking for a different type of answer, you can also say that 25 mm is 10 times less than 25 cm.

I hope this helps!
4 0
3 years ago
Read 2 more answers
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