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3 years ago

Round 223 to the nearest 10

1 answer:

8 0

220. Think of it this way: 5 and above, give it a shove, 4 and below, keep it down low. That means that if the last number is five or above, push it up to the nearest 10, and if the last number is four or below, round to the lowest 10.

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Explain why an equation is extraneous. Explain why an equation is non extraneous.

TEA [102]

Answer:

I hope it's helpful.

Step-by-step explanation:

In mathematics, an extraneous solution (or spurious solution) is a solution, such as that to an equation, that emerges from the process of solving the problem but is not a valid solution to the problem.

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2 years ago

Solve for x<br> Solve for x<br> Solve for x<br> Solve for x

spin [16.1K]

82+2x=180
2x=98
x=49
answer is x=49

3 0

3 years ago

Read 2 more answers

What is 4.7 times 10 to the negative third power (show your work)

Afina-wow [57]

Since we are working with an equation written in scientific notation and we are dealing with a negative exponent, we are going to divide 4.7 by 10 three times.

4.7 / 10 = 0.47

0.47 / 10 = 0.047

0.047 / 10 = 0.0047

Best of Luck!

4 0

3 years ago

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

3 years ago

GUYS PLEASE HELP THIS IS DO IN A HOUR I AM BEGGING YOU

kirill [66]

Answer:

can you make the picture bigger and show the all of the answers, if yes i believe i can do the problem thank you

Step-by-step explanation:

7 0

2 years ago