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iren2701 [21]
2 years ago
6

Confused and need help

Mathematics
1 answer:
vodka [1.7K]2 years ago
8 0

First, reflect the triangle across x

Then translate the triangle 1 unit to the right and 9 units down

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Does this graph represent a function? Why or why not?
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Step-by-step explanation:

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Read 2 more answers
* this is pretty difficult for me , provide details if necessary * // ANSWER ASAP //
fredd [130]

Answer:

A.

Step-by-step explanation:

1 radian = 180/π

So

Multiplying both sides by 25π/18

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5 0
3 years ago
A standardized test was given to a set of high school juniors and the distribution of the data is bell shaped. The mean score is
stira [4]

Answer:

920 points.      

Step-by-step explanation:    

We have been given that the mean score for a standardized test is 800 and the standard deviation is 120. To qualify for a special summer camp for accelerated students, a student must score within the top 16% of all scores on the test.

First of all we will find probability of 0.16 using normal distribution table.

Using normal distribution our Z score will be 0.994458

Now we will use raw-score formula to find the score (x) that a student must make to qualify for summer camp.  

x=\text{Mean}+\text{ Standard deviation* Z score}

Upon substituting our given values in above formula we will get,

x=800+120\times 0.994458

x=800+119.33496

x=919.33496

Upon rounding to nearest whole number we will get,

x=920

Therefore, a student must make 920 points to qualify for summer camp.

5 0
3 years ago
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