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docker41 [41]
3 years ago
5

Mrs. Stefan recorded the time it took each of her students to complete a challenging math problem. 1. Make a line plot of the da

ta. 2. Charlie says the difference between the least amount of time it takes a student to complete the math problem and the greatest amount of time is minutes. Is he​ correct? Explain.
Mathematics
1 answer:
Veronika [31]3 years ago
6 0

Answer:

1 is correct

Step-by-step explanation:

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a baseball glove was on sale for 5/6 of the original price. if the original price was $90 what was the sale price
grandymaker [24]
 since the original price was ninety we have to multiply 5/6 by 90
90/1(5/6)
=450/6
=75

6 0
4 years ago
Read 2 more answers
In 1990, a magazine collected data and published an article evaluating freezers. It listed 45 models, giving the brand, cost (do
Anna71 [15]

Complete question is;

In 1990​, a magazine collected data and published an article evaluating dryers. It listed 45 ​models, giving the​ brand, cost​ (dollars), size​ (cu ft),​ type, estimated annual energy cost​ (dollars), an overall rating​ (good, excellent,​ etc.), and repair history for that brand​ (percentage requiring repairs over the past 5​ years).

The​ W's are​ Who, What,​ When, Where,​ Why, and hoW.

1) Identify the Who. Choose the correct answer below.

A. 45 models of dryers

B. Dryers

C. Brands of dryers

D. Size of dryers dryers

2) Identify the What. Choose the correct answer below.

A. ​Brand, type, overall rating

B. ​Brand, cost,​ size, type, estimated annual energy​ cost, overall​ rating, repair history

C. Cost, size, estimated annual energy​ cost, repair history

D. ​Brand, cost,​ size, type

3) Identify the When. Select the correct choice below​ and, if​ necessary, fill in any answer boxes within your choice.

A. The data were recorded in 1990.

B. The information is not provided.

4) Identify the Where. Choose the correct answer below.

A. The 45 models of dryers

B. The information is not provided.

C. The population of dryers

5) Identify the Why. Choose the correct answer below.

A. To provide information to the magazine's readers

B. To write an article about dryers

C. To compare the size of the dryers

D. To collect information about dryers

6) Identify the hoW. Choose the correct answer below.

A. The different dryers belonged to the​ magazine's employees.

B. The dryers were chosen at random.

C. The information is not provided.

7) Identify each variable as either categorical or quantitative.

Brand

▼

Categorical

Quantitative

Estimated annual energy cost

▼

Quantitative

Categorical

Cost

▼

Categorical

Quantitative

Overall rating

▼

Categorical

Quantitative

Size

▼

Quantitative

Categorical

Repair history

▼

Quantitative

Categorical

Type

▼

Categorical

Quantitative

8) For each quantitative​ variable, determine the units in which it was measured.

Cost

▼

Dollars

Not specified

Pounds

Estimated annual energy cost

▼

Dollars

Pounds

Not specified

Size

▼

Cubic inches

Cubic feet

Feet

Inches

Not specified

Repair history

▼

Years

Percentages

Not Specified

Answer:

All answered below.

Step-by-step explanation:

1) Option A: 45 models of dryers

2) Option B: ​Brand, cost,​ size, type, estimated annual energy​ cost, overall​ rating, repair history

3) Option A: The data were recorded in 1990.

4) Option B: The information is not provided.

5) Option A: To provide information to the​ magazine's readers

6) Option C. The information is not provided.

7) - Brand variable is Categorical

- Estimated annual energy cost variable is Quantitative

- Cost variable is Quantitative

- Overall rating variable is Categorical

- Size variable is Quantitative

- Repair history variable is Quantitative

- Type variable is Categorical

8) - cost​ is in dollars)

- estimated annual energy cost​ is in dollars

- size​ is in cu. ft

- repair history is in percentages

8 0
4 years ago
Two identical jars are filled with equal numbers of marbles. The marbles are colored red or white. The ratio of red to white mar
IrinaK [193]
Let a=the number of white marbles in Jar 1
Let b=the number of white marbles in Jar 2
Total number of white marbles is a+b=90

Jar 1 has a white marbles and 7a red marbles so 8a marbles total
Jar 2 has b white marbles and 9b red marbles so 10b marbles total
Since both jars have equal amounts of marbles, 8a=10b

We have a system of equations:
a+b=90
8a=10b

The number of red marbles in Jar 2 is 9b so we solve for b

8a=10b
⇒a=\frac{5}{4}b
⇒\frac{5}{4}b+b=90
⇒\frac{9}{4}b=90
⇒b=40
Number of red marbles in Jar 2 is 9b=360

So there are 360 red marbles in Jar 2.
8 0
3 years ago
Which description compares the domains of function A and Function B correctly?
kykrilka [37]

Answer:

Choice B is correct; the domain of function A is the set of real numbers greater than 0  

The domain of the function B is the set of real numbers greater than or equal to 1

Step-by-step explanation:

The domain of a function refers to the set of x-values for which the function is real and defined. The graph of function B reveals that the function is defined when x is equal 1 and beyond; that is its domain is the set of real numbers greater than or equal to 1.

On the other hand, the natural logarithm function is defined everywhere on the real line except when x =0; this will imply that its domain  is the set of real numbers greater than 0 . In fact, the y-axis or the line x =0 is a vertical asymptote of the natural log function; meaning that its graph approaches this line indefinitely but neither touches nor crosses it.

7 0
3 years ago
What equivalent fraction is equal to 0 out of 6
andre [41]
0/6 is equivalent to anything that has 0 as the numerator. 
8 0
3 years ago
Read 2 more answers
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