I know It is really long but can you PLEASE HELP I NEED IT BY TONIGHT4. Ms. Ann decides she wants to have dry ice to have a smoky effect for her birthday party. Ms. Ann visits the local dry ice distributor to talk to him about how to obtain, store, and use dry ice safely.

(a) The distributor tells Ms. Ann that dry ice is not like regular ice. The temperature of dry ice can be anywhere between –109.3oF and –78.5oF. What is the range of temperature of dry ice? Show your work.
(b) The distributor also tells Ms. Ann that they use a special freezer to store the dry ice. Dry ice is usually stored at –99oF. The average household freezer can only be set to –18oF at the lowest setting. How many times colder is the special freezer than an average household freezer? Show your work.
(c) The distributor says his 5 smallest freezers are set at –86.4o F, –80.2oF, –84.1oF, –90.2oF, and
–79.9oF. Record the numbers in order from least to greatest.
(d) What is the average temperature of the distributor’s 5 smallest freezers? Show your work.
(e) The highest temperature that is recommended for storing dry ice is –78.5oF. The distributor says that, because of the amount of dry ice he has, he stores his larger blocks of dry ice in the big freezer which is 15.5oF below that temperature. What is the temperature of the big freezer? Show your work.
(f) The distributor suggests to Ms. Ann that she not store the dry ice in the freezer or the refrigerator because the huge difference in temperature might make the freezer or refrigerator shut down. Ms. Ann’s refrigerator is usually set at 35oF. What is the difference in temperature between Ms. Ann’s refrigerator and the distributor’s freezer? Show your work.
(g) The price list for the dry ice is below:

Dry Ice Price List
1 block (approximately 50 lb)..……………………………………..$30.50 1/2 block……………………………………………………………...$16.25 1/4 block………………………………………………………………$10.50 Pellets (8 lb bag) ……………………………………………………...$6.15

Ms. Ann has a creditfor $54.18 that she wants to use. She wants to use as much of the credit as shecan and she has no other money with her. What should she purchase from the listin order to use the most of her credit without going over and how much will shehave left over on the credit? Show your work.

Answers

Answer 1

Answer: (a) Range is 109.3-78.5== 30.8 degree.
(b) -99/-18==5.5 times
(c) -90.2; -86.4; -84.1; -80.2; -79.9.
(d) (-90.2-86.4-84.1-80.2-79.9)/5=-83~
(e) -78.5-15.5= -94oF
(f) 94+35= 129oF different.
(g)
She would buy 1 block+1/2 block + 8lb bag.
Sorry because I have to go. But with what i has done, i think you can do it. Good luck.

Answer is 6.720

Step-by-step explanation:

x = 168/25 = 6.720

How can i simplify √320x³

Answers

Answer:

8x * sqrt(5x)

Step-by-step explanation:

Factor 320 into its prime factors: (2^6) * 5

To simplify sqrt we extract factors which are squares and the rest remain inside the root: (2^6) will be extracted (2^6=64) and 5 will remain inside

Take sqrt of factors being extracted: sqrt64= 8

Now it looks like this: 8 * sqrt(5x^3)

SQRT(x^3) is the same as x * SQRT(x)

Therefore, sqrt (320x^3)= 8x*sqrt(5x)

The number of guests in a hotel per day resembles a normal distribution with a mean of 220 and standard deviation of 30. One day, the z-score of the number of guests was 2.3. How many guests did the hotel have on that day?

Answers

The hotel had 289 guests on the day in question. The z-score is a measure of how many standard deviations a data point is away from the mean of the distribution.

In this case, we are given that the number of guests in a hotel per day follows a normal distribution with a mean of 220 and a standard deviation of 30, and that the z-score of the number of guests on a particular day was 2.3.

Using the formula for z-score, we have:

z = (x - mu) / sigma

where x is the number of guests on the given day, mu is the mean of the distribution, and sigma is the standard deviation of the distribution.

Substituting the given values, we have:

2.3 = (x - 220) / 30

Multiplying both sides by 30, we get:

69 = x - 220

Adding 220 to both sides, we get:

x = 289

Therefore, the hotel had 289 guests on the day in question.

Find out more about standard deviations

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Joan bought a soft drink for 6.50 dollars and 12 candy bars. She spent a total of 65 dollars. How much did each candy bar cost? Which equation matches this problem?

Answers

Answer:

0.406 (3 d.p)

Step-by-step explanation:

Let's call the cost of each candy bar "x" dollars. We can set up an equation to represent the situation:

6.50 + 12x = 65

This equation represents the problem. Now, we can solve for "x" to find the cost of each candy bar.

6.50 + 12x = 65

12x = 65 - 6.50

12x = 58.50

x = 58.50/12

x = 0.406 (3 d.p)

d.p means decimal point

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Last month Maria hiked the 5-mile mountain trail a number of times and she hiked the 10-mile canal trail several times. Let x represent the number of times she hiked the 5-mile trail, and let y represent the number of times she hiked the 10-mile trail. If she hiked a total of 90 miles, which equation can be used to find the number of times Maria hiked each trail?A. x + y = 90

B. 5x – 10y = 90

C. 90 – 10y = 5x

D. 90 + 10y = 5x

Answers

It's the 3rd equation (which is in a disguised form)...we have

90 - 10y = 5x add 10y to both sides

90 = 5x + 10y

This says that the nmber of tmes she hiked the 5 mile trail (x) plus the number of times she hiked the 10 mile trail (y) = 90 miles

Determine the domain of the function.f as a function of x is equal to the square root of eleven minus x.

Answer Choices:
All real numbers except 11
x > 11
All real numbers
x ≤ 11