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zmey [24]
3 years ago
7

Find the surface area 18cm 9cm 4cm

Mathematics
2 answers:
CaHeK987 [17]3 years ago
8 0

Answer:Area = Length x Width

Area = 3 x 2 = 6 square units

8 by 6 rectangle

Area = Length x Width

Area = 8 x 6 = 48 square units

9 by 5 rectangle

Area = Length x Width

Area = 9 x 5 = 45 square units

Step-by-step explanation:

oksano4ka [1.4K]3 years ago
6 0

Answer:

Step-by-step explanation:

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You are planning to build a rectangular vegetable garden with a perimeter of 42 m. the length is twice the width. find the dimen
Mrac [35]

Length - 14 meters

Width - 7 meters


The length is twice the width - 7 times 2 = 14


There are four sides, two 14m and two 7m. 14 x 2 + 7 x 2 = 42

8 0
3 years ago
Julie wanted to find out the approximate percentage of non-traditional female college students at public universities. She decid
lawyer [7]

To solve this question, we need to understand sample and population concepts.

From this, the answer is:

The 25 females that Julie interviews are the sample, and all female college students at state universities are the population.

Example:

I want to estimate the proportion of New York state residents who are Buffalo Bills fans. So i ask, lets say, 1000 randomly selected New York state residents whether they are Buffalo Bills fans, and expand this to the entire population of New York State residents, which is the population of the study.

The sample will be: 1000 randomly selected New York state residents

The population will be: All New York state residents

In this question:

Sample: 25 females from each university in her state.

Population: All female college students in her student.

Thus, the correct statement is:

The 25 females that Julie interviews are the sample, and all female college students at state universities are the population.

For a similar example, you can check brainly.com/question/24331410

7 0
3 years ago
How can the sum be found using mental math?
leonid [27]

Answer:233

Step-by-step explanation:you add your 6 to your 54 to get 90 and 60 then you add those to get 150 and then you add the 83 by adding 50 first and you get 200 and 33 then simply add those together to get 233

6 0
3 years ago
Determine whether the ratios 5:7 and 10:21 are equivalent
Alina [70]

Answer:

Step-by-step explanation:

No, thoose two ratios are not equivalent, but I can show you the ones that are  equivalent, {You can write 5/7 or 10/14 or 20/28 or 40/56. There! 3 equivalent ratios.}

5 0
3 years ago
Please help asap 20 pts
kherson [118]

It is associative property

8 0
3 years ago
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