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Alexxx [7]
3 years ago
6

A rectangle has a length this is three times its width. If the area of the rectangle is 27 square feet, what are the dimensions

of the rectangle
Mathematics
1 answer:
yuradex [85]3 years ago
6 0

Answer:

The width of the rectangle is 3 and the width is 9. Those are reasonable measurements.

Step-by-step explanation:

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Not an actual test question but just curious:
saveliy_v [14]

well, when we use the word "the function" we're referring to the dependent part, which depends on the independent, y,x wise, we're referring to the function "y" or f(x) if you wish.

so for an exponential function

is the function ever positive only? it can be

is it negative only?  it can be

can it be both?  sure thing, most of the time it's both

we can say a function f(x) is always positive when the independent values of "x" yield a positive value only, mind you that when we're talking about "the function" we're really referring to the resulting values in a set, so can the values of the output no matter what "x" we use be always positive? sure, can they also be negative only? sure, how about both? sure thing.

notice the template in the picture below, we can transform any exponential function like the one above 2ˣ with some vertical shift upwards, and is always positive, or -2ˣ with a vertical shift downwards and it's always negative, or we can stretch it about and have -2ˣ shifted upwards so sometimes is positive, and sometimes is negative.

above the x-axis is always positive, below is negative, but with transformations on the parent function it can be any of the three types.

3 0
2 years ago
X less than 42 is 15<br><br> Which equation represents this scenario?
Lelu [443]

Answer:

42 is 15

Step-by-step explanation:

42 is 15 because of x

4 0
3 years ago
You estimate that your friend is 50 inches tall. That actual height of your friend is 54 inches. Find the percent error.
exis [7]
Answer: -7.408%

Explanation: The formula for percent error is:
(experimental - theoretical) / theoretical * 100. The experimental value is 50, or your guess. The theoretical value is 54, or the actual value. The theoretical value is the value it should be.

(50-54)/54 = -.074 * 100 = -7.408%
8 0
3 years ago
How can the graph of f(x) = 1/(- x) - 9 be obtained from the graph of y = 1/x
Goryan [66]

Answer:

hsjjsjsjjsjjdjjsnnsjsj

8 0
2 years ago
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
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