Identify the type of transformations to triangle abc.

Answers

Answer 1

Answer: i am sure it would be a & b

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Student take an average of 45 minutes and standard deviation of 8 minutes to complete a certain statistics test. If a student is selected at random, what is the probability that the student takes more than 56 minutes to compete the test?

Answers

A standard normal table can be used to estimate what part of a normal distribution will fall within a certain range, given the number of standard deviations (or Z-Score) from the mean. 56 minutes is 11 minutes from 45, and the standard deviation is 8, so the Z-Score is 11/8 = 1.375. The lookup table gives 8.5% complementary probability (greater than the given number of standard deviations) for 1.37 and 8.4% for 1.38. Checking a graph, the part of the curve above 1.375 standard deviations should be somewhere between 5 and 10%, so this seems reasonable.

Which of the following is a unit of area?

cm2
feet
m3
inches

Answers

Unit of area is square units.

And an example here is cm²

cm2 is the unit of area

The equation of circle having a diameter with endpoints (-2, 1) and (6, 7) is(x - 4)² + (y - 3)² = 25
(x - 2)² + (y - 4)² = 25
(x - 2)² + (y - 4)² = 100

Answers

The center of the circle is the midpoint of the diameter.

The 'x' coordinate of the midpoint is (1/2) (6 - 2) = 2
The 'y' coordinate of the midpoint is (1/2) (7 + 1) = 4
The center of the circle is the point (2, 4) .

The length of the diameter of the circle is the distance
between the endpoints of the diameter.

The distance between (-2, 1) and (6, 7) is

√ (8² + 6²)

   = √ (64 + 36)

   = √ 100 = 10 .

The radius of the circle is 1/2 of 10 = 5 .

Now, the equation of any circle is

(x - [x of the center])² + (y - [y of the center])² = (radius)² .

and we have all the numbers now.

(x - 2)² + (y - 4)² = (5)² .

I'm very happy to see that this equation is actually
one of the choices !   I'll bet you are too.

Answer:

$(x-2)^(2)+(y-4)^(2)=25$

Step-by-step explanation:

In the picture you can see that $(x-2)^(2)+(y-4)^(2)=25$ has endpoints of (-2, 1) and (6, 7)

Look at the function f(x) = −x + 5. Which of the following describes the domain and range of the function and its inverse?

Answers

Answer:

The inverse is g(x)=-x+5.

Both f and g have domain and range all real numbers.

In interval notation that is $(-\infty,\infty)$

Step-by-step explanation:

f(x)=-x+5 is a linear function.

Since isn't f(x)=constant then it is diagonal so this means the range is all real numbers.

For any linear function, the domain will be all real numbers.

So to find the inverse of y=-x+5, you interchange x and y and resolve for y.

y=-x+5

(interchange)

x=-y+5

(solve for y)

Subtract 5 on both sides:

x-5=-y

Multiplying both sides by -1:

-x+5=y

So the inverse is g(x)=-x+5. To find find the domain and range of the inverse function given you already did it for the original function, the sets are swapped. The sets were the same here because they were both all real numbers.

Answer:

Domain of this function become R

Step-by-step explanation:

Trevor's family bought 5 tickets to a baseball game. 2 tickets were discounted by $15for children under the age of 3? If Trevor's family spent $145 for tickets to the game,
how much was each ticket price?

ANSWER FAST PLEASE!!!!!!!!

Answers

Answer: The 3 tickets without the discount are $19 and the two tickets that were discounted were $44

Step-by-step explanation:

Dion calculated the plane’s time to fly to another country. He calculated the plane flying at a rate of 600 miles per hour . How long will it take the plane to travel 6,300 miles?

Answers

Answer: 10.5h

Step-by-step explanation:

All we have to do is divide the number of miles by the miles per hour:

$6300/600=10.5$ h

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