What is the sqrt of (45n^5)?

Answers

Answer 1

Answer: 3n^2 sqrt 5n

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On a line segment B is between AC and C is between B and D using the segment addition postulate if AB=7 AC=15 AD=32 what does BC BD and CD equal

Answers

Answer:

BC = 8

BD = 24

CD = 17

Step-by-step explanation:

First i found that I know AB is 7 and AC is 15 so i realize AB is part of AC so I subtract AB from AC for the difference and got the rest using the same logic

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AB+AC=BC
7+15=BC
BC=22

AB+AD=BD
7+32=BD
BD=39

AC+AD=CD
15+32=CD
CD=47

a metalsmith is mixing two molten metals, each containing different percentages of silver. the table shows the amount of each molten metal used. which two expressions are both equivalent to t, the total number of grams in the mixture?

Answers

It would be much easier if you attached a table. Anyway I know what you need to do. Just make an equation and put the numbers from the table given you in the task. And you'll solve it.

(15)(0.75) and 0.7(15 - x) + 0.9x

A man divided $9,000 among his wife, son, and daughter. The wife received twice as much as the daughter, and the son received $1,000 more than the daughter. How much did each receive?If x is the amount the wife received, then which of the following expressions represents the amount received by the son?

A. x/2 + 1000
B. x + 1000
C. 2x + 1000

Answers

your answer is A. x/2+1000

the mother recieved $4000 and the son recieved $3000, $4000/2 equals $2000, $2000 plus $1000 equals $3000

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A.) x/2+1,000. Here is a picture to prove it

Which choice correctly describes this event? I will pull a blue marble at random out of a jar with 49 red marbles and 1 blue marblea) certain
b) impossible
c) likely
d) unlikely

Answers

The probability of pulling one marble out of a jar containing 49 red marble and 1 blue marble is 1 / 50, hence it is an unlikely event, so option D is correct.

What is probability?

The area of mathematics known as probability deals with numerical representations of the likelihood that an event will occur or that a statement is true. An event's probability is a value between 0 and 1.

Given:

Pull a blue marble at random out of a jar with 49 red marbles and 1 blue marble,

Calculate the probability of pulling blue marble as shown below,

Probability = number of blue marble / total marble

Probability = 1 / 49 + 1

Probability = 1 / 50

As you can see here, the probability of the event pulling the blue marble in the jar is not dependent on the probability of pulling the red marble as there is only one marble so, it is an example of an unlikely event.

We know that the probability of an unlike event is between 0 and 1 / 2 and here probability is 1 / 50,

Thus, it is an unlikely event.

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Answer:D. Unlikely

Step-by-step explanation:

a restaurant manager gives a survey to all of his customers asking them to rate the quality of the service they received. he then keeps track of how many customers return to the restaurant during the next six months. last year, the results showed that of the customers who reported high quality service, 90% returned for additional meals. what conclusion can be drawn from this study. answer choices: only some customers who rate their service as high quality return for additional meals. most customers who rate their service as high quality return for additional meals. high quality services cause customers to return for additional meals. customers who will return for additional meals report a high quality of service.

Answers

I am going with : most customers who rate their service as high quality return for additional meals. Because 90% who rated it as high quality returned for additional meals.....only 10% did not. And lets say u had 100 customers that rated high quality.....90 returned and 10 did not...so that is most customers.

Answer:

Most customers who rate their service as high quality return for additional meals.

Step-by-step explanation:

Only some customers who rate their service as high quality return for additional meals. - its not this because it says only SOME and 90% is not some it is MOST but not all.

High quality services cause customers to return for additional meals - just because the restaurant has high quality service that doesn't mean that this causes them to come back for an additional meal.

Customers who will return for additional meals report a high quality of service. - its not this because it just doesn't make sense.

An observation deck extends 314 feet out above a valley. The deck sits 264 feet above the valley floor. If an object is dropped from the observation deck, its height h in feet, after t seconds, is given by h equals negative 16 t squared plus 264. How long will it take for the object to be 8 feet above the valley floor?

Answers

Final answer:

Using the quadratic equation h = -16t² + 264 which represents the object's height after time, we find that it will take 4 seconds for the object to reach 8 feet above the valley floor.

Explanation:

In this case, you're asked to find out how much time it takes for an object dropped from an observation deck to drop to a point 8 feet above the valley floor. The height h, in feet, after time t, in seconds, is represented by the quadratic equation h = -16t² + 264. Set the equation equal to desired height, which is 8 feet in this case. So, you have -16t² + 264 = 8. Rearranging, you get -16t² = 8 - 264, or -16t² = -256. Divide by -16 yields, t² = 16. The principal square root of 16 is t = 4.

Therefore, it will take 4 seconds for the object to be 8 feet above the valley floor.

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