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3 years ago

Help pleaseee....<3#3

Mathematics

2 answers:

Romashka-Z-Leto [24]3 years ago

6 0

Answer choice 1. 22x=44

mezya [45]3 years ago

3 0

Answer:

22x=40, or answer choice 1

Step-by-step explanation:

The area of the non-shaded area is 2x.

Then get the total area of the rectangle, 24x

Do 24x-2x=22x, which is the shaded area.

22x=40.

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Sneha is inspecting the average cleanliness of the rooms in a hotel. There are 10 floors in the hotel, each with 20 rooms. From

blondinia [14]

Answer: Stratified sampling

Step-by-step explanation:

Stratified sampling is a particular kind of random sampling technique.

Here , the researcher splits the entire population into distinct groups known as strata.

Then he draw a sample by taking participants from each strata and continue his work on sample.

As per given ,

Researcher = Sneha

Strata = Each floor

Since from each floor she randomly selects 2 rooms and inspects them and then takes the average of these scores.

Therefore , Sneha used the Stratified sampling technique.

5 0

3 years ago

9 ( 3x + 5y - 11x + 8 )

harina [27]

Answer: -72x+45y+72

Step-by-step explanation:

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3 years ago

Solve: 1/2x - 7 = 1/3 (x-12)

IrinaVladis [17]

Sorry I don’t know the answer hope you find one bye

8 0

3 years ago

Help with IXL please

9966 [12]

Answer:

$77.18

Step-by-step explanation:

Fill in your equation like this:

$B=70(1+.05)^2$ and

$B=70(1.05)^2$ and

$B=70(1.1025)$ so

B = $77.18

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3 years ago

The sum of √9 and √7 is irrational. <br><br> True False??

denis-greek [22]

Yes because you can simplify sqrt 9 into 3 so you get 3 sqrt 7 and this is irrational because both the numbers are prime

3 0

3 years ago