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Inessa05 [86]
3 years ago
8

* What is the slope of the equation 2x - 5y = 20?

Mathematics
1 answer:
ki77a [65]3 years ago
6 0
The answer will be -2/5
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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
10x-5y=25 solve for y
Pavlova-9 [17]
<span>10x-5y=25 solve for y
so
10x - 5y = 25
5y = 10x - 25
  y = 2x - 5

hope it helps</span>
8 0
3 years ago
4 students measure their height. Their heights measure 184 cm, 192 cm, 164 cm, and 200 cm. What is the mean height of the studen
melomori [17]
The mean is the average, which is the sum of all the numbers divided by the total numbers there are. I will add them up for you, and then work from there.
184 + 192 + 164 + 200 = 740.
There is 740cm total, but now we need to divide by how many students we have. We have 4 students total.
740/4 = 185.
Your average (mean) height of the students is 185cm.
I hope this helps!
8 0
3 years ago
Read 2 more answers
Find the inverse of the function.<br> y = 2x2 –4
VashaNatasha [74]

Answer:

(2÷2)+4

step by step explanation

4 0
2 years ago
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2) Which choice best represents:<br> Divide 8 by N<br> A. 8-N<br> B. N -8
Nataly_w [17]

Answer: A

Step-by-step explanation:

4 0
3 years ago
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