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maria [59]
3 years ago
5

Maya dropped her keys down a storm drain. Her hand was 1 meter above the ground when she dropped them. The keys fell 10 meters t

o the bottom of the drain. Which equation models the height of the keys in relation to ground level?

Mathematics
2 answers:
SOVA2 [1]3 years ago
4 0
A because it fell 10 meter but it was all ready 1 meter above the ground
Ganezh [65]3 years ago
3 0
A because 1-10 would be -9 and she was a meter above so positive but they descended 10 meters no negitve
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Answer: The value of x is 3.

Step-by-step explanation:

Since we have given that

10,11, 12 and x

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As we know that

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\dfrac{\text{Sum of observation}}{\text{Number of observation}}\\\\\\\dfrac{10+11+12+x}{4}=9\\\\10+11+12+x=9\times 4\\\\33+x=36\\\\x=36-33\\\\x=3

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3 years ago
What is 3 4/9 as a decimal
goldfiish [28.3K]

Answer: 3.44

Step-by-step explanation:

Step 1: Multiply the whole number by the denominator:

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Step 2: Add the product you got in Step 1 to the numerator:

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Step 3: Divide the sum from Step 2 by the denominator:

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The answer to 3 4/9 in decimal form is displayed below:

3 4/9 ≈ 3.44

3 0
2 years ago
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vredina [299]

The computed value must closely match the real value for a model to be considered valid. If the percentage of pleased or very satisfied students remains close to 75% after Mateo surveys additional students, Mateo's model is still viable. The model is faulty if the opposite is true.

<h3>How will mateo know whether his model is valid or not?</h3>

In general, a valid model is one whose estimated value is close to the real value. This kind of model is considered to be accurate. It must be somewhat near to the real value if it doesn't resemble the real value.

If the findings of the survey are sufficiently similar to one another, then the model may be considered valid.

P1 equals 75%, which is the real assessment of the number of happy pupils

P2 is 70 percent; this represents the second assessment of happy pupils

In conclusion,  The estimated value of a model has to be somewhat close to the real value for the model to be considered valid. If the number of students who are either pleased or extremely satisfied remains close to 75 percent following Mateo's survey of more students, then Mateo's model is likely accurate. In any other scenario, the model cannot be trusted.

Read more about probability

brainly.com/question/795909

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7 0
2 years ago
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Answer:

<h3>y + 2 = 3/7(x-7)</h3>

Step-by-step explanation:

The point-slope form of the equation will be expressed as;

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Given

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y - (-2) = 3/7 (x - 7)

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