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2 years ago

What would the algebraic expression be for the product of 3 and x increased by 20

Mathematics

1 answer:

agasfer [191]2 years ago

5 0

Answer:

3x + 20

Step-by-step explanation:

Product is for multiplication therefore, the product of 3 and x is 3x.

increased = addition

Overall, the product of 3 and x increased by 20 is 3x + 20.

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To estimate the average salary among people in a certain district, a marketing team obtains a simple random sample of 100 people

bogdanovich [222]

Answer:

The interpretation is that we are 90% sure that the true average salary of the district is in this interval.

Step-by-step explanation:

x% confidence interval:

A confidence interval is built from a sample, has bounds a and b, and has a confidence level of x%. It means that we are x% confident that the population mean is between a and b.

In this question:

The 90% confidence interval for the average salary of the district is [41500,49750].

This means that we are 90% sure that the true average salary of the district is in this interval.

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3 years ago

At piggys pizza, a giant pizza is 18 inches in diameter. What is the area of this pizza? Round your answer to the nearest tenth

ArbitrLikvidat [17]

254.5 inches cause its pi times radius squared

7 0

3 years ago

HELP I WILL GIVE BRAINIEST

WITCHER [35]

Answer:

For the first one the answer is:

<K = 31°

Sorry I don't know the second one.

3 0

3 years ago

1. i’ll give you brainliest if u get this right

Allisa [31]

Answer:

Step-by-step explanation:

34 and m=7

6 0

3 years ago

A parallelogram has an area of 300 square kilometers and a height of 20 kilometers. What is the length of the base?

Neko [114]

Answer: the length of the base is 15 kilometers.

Step-by-step explanation:

formula : Area of parrallelogram = Length of base x height

Given: Area of parallelogram = 300 square kilometers

height = 20 kilometers

Substituting values in the formula , we get

300 = Length of base x 20

Length of base = $\frac{300}{20}$

= 15 kilometers

Hence, the length of the base is 15 kilometers.

4 0

3 years ago