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soldi70 [24.7K]
3 years ago
5

Find the coordinates of point A(-3,-4) after a rotation 180° counterclockwise about the origin. Then the point is reflected over

the y-axis.
Mathematics
1 answer:
nexus9112 [7]3 years ago
3 0
I believe it's (3,4) 
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Fill in the blanks. Optionshouse tracked the performance of their most active day traders and found that the probability of a wi
Aleksandr [31]

Answer:

If in a day, 458 call options are picked by these traders, around <u>   246.2  </u>of them will be winners, give or take<u>  10.67  </u>.

Step-by-step explanation:

Hello!

Your study variable is X: the number of winning calls in a sample of 458 calls.

The variable has a binomial distribution since you have two possible outcomes, that the call is a winning call (success) or that the call is not a winning call (failure), each call is independent and the probability of success is p= 0.5375 and the probability of failure q= 1-p= 1-0.5375= 0.4625.

The expected value for a binomial distribution is

E(X)= n*p= 458 * 0.5375= 246.175

And to know the standard error (or standard deviation) you have to calculate the square root of the variance:

V(X)= n*p*q= 458*0.5375*0.4625= 113.85

√V(X)= √113.85= 10.67

I hope it helps!

3 0
3 years ago
It takes 1/5 of a bag of carrots to make 2/8 of a gallon of soup .How many bags of carrots would it take to make 1 gallon of sou
harkovskaia [24]

Answer:

4/5 bag of carrots

Step-by-step explanation:

if 2/8 is a quarter of a gallon just multiply by four to get a full gallon but you must also multiply 1/5 bag of carrots which leave you with 4/5

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3 years ago
Monthly private school tuition based on the average number of weeks in attendance is predicted using the least-square regression
Dmitriy789 [7]

Answer:

2.2

Step-by-step explanation:

Substitute 3.5 into the equation for x and simplify the right side to get 592.8. 595 is 2.2 greater than 592.8.

4 0
3 years ago
MOON The expression gives the weight of an object on the Moon in pounds with a weight of w pounds on Earth. What is the weight o
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Answer: 29.7 pounds

Step-by-step explanation:

The expression in question is w/6.

If the weight of an object on earth is w, the weight of the object on the moon is w/2.

The weight of the space suit is therefore:

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3 years ago
What temperature is 12%C hotter than 16%C
devlian [24]
The temperature that 12%C is hotter than 16%C is 4%C
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3 years ago
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