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Murljashka [212]
3 years ago
14

When Simone planned her hike, she sketched the backpack she wanted to buy. In her drawing, the backpack was 8 centimeters wide a

nd 20 centimeters tall. When she found the same backpack at a camping store, she realized that she had drawn the pack exactly to scale 1 cm = 4 cm. What was the actual height of the backpack in centimeters? HELPP
Mathematics
1 answer:
Jobisdone [24]3 years ago
7 0

Answer: 20 times 4 = 80cm i think thats the answer

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Pls help me with my hw !!
zlopas [31]
You can use mathpapa for 1,2,3 and 4 :)
3 0
3 years ago
0.05 is 1 tenth the value of
Ganezh [65]
The answer is .5. That is the answer because .5/10 = .05.
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3 years ago
Researchers want to survey the mass of American alligators in a certain region. They want to maximize the efficiency of this eff
Sonja [21]

An appropriate statistical test that can be used to evaluate the usefulness of this method is Linear regression with t-test for significance of slope.

For this research, they want to measure the lengths of alligators and use the already obtained data relating the lengths of captured and released alligators to their masses, to obtain the masses of alligators whose lengths have been measured.

So, in this research survey, the masses of the alligators is the dependent variable which depends on the lengths.

Basically, the researchers measure the length of an alligator and use the data to work out its mass.

So, an appropriate method to relate the two variables is to use regression analysis on the already obtained data, to obtain the linear relationship between mass of the alligators and their lengths. So that, just by putting on the measured lengths of the alligators surveyed into this expression, their corresponding masses would be immediately obtained.

But the correctness of this expression obtained will be checked by using t-test for the significance of the slope obtained in the linear regression.

So, the appropriate statistical test that can be used to evaluate the usefulness of this method is: Linear regression with t-test for significance of slope.

To learn more about Linear regression from the given link

brainly.com/question/16164513

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3 0
2 years ago
4x^2+8x-12 it needs to be factored :)
Arlecino [84]

Answer:4((x+3)(x-1))

Step-by-step explanation:

Factorize the common terms

4(x^2+2x-3)

Factorize

X^2+2x-3=(x+3)(x-1)

(X+3)(x-1)

4((x+3)(x-1))

3 0
3 years ago
Jesse takes his dog and cat to the vet. Jesse's dog weights 23 pounds. the vet tell him his cat weights 5/8 as much as the dog.
Svetradugi [14.3K]
5/8 *23=115/8
115/8 can be simplified to 14 and 3/8
The cat weighs 14 and 3/8 pounds
4 0
3 years ago
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