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Serggg [28]
4 years ago
15

Perimeter=42 meters what is the length

Mathematics
1 answer:
Dominik [7]4 years ago
7 0
4a= 42
a = 42/4 = 21/2cm
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Classify the sequence arithmetic , geometric, or neither
Feliz [49]

Answer:

Geometric

Step-by-step explanation:

Given terms are {3, -1, 1/3, -1/9............}

If we have common difference between the terms then it is arithmetic

If we have common ratio between the terms then it is Geometric

Difference of 3  and -1  is 4

Difference of 1/3  and -1 is -4/3

Common difference it not same so it is not Arithmetic

Now we check common ratio

we divide second term by first term

first term is 3  and second term is -1

\frac{-1}{3}

now we check with next two terms

\frac{\frac{1}{3}}{-1}=\frac{-1}{3}

common ratio is -1/3

So this is Geometric

8 0
4 years ago
Read 2 more answers
A researcher decides to determine if the type of writing utensil that a student uses while doing their math affects their accura
alexandr1967 [171]

Since the variable type of writing utensil assumes labels and not numbers, it is classified as qualitative.

<h3>What are qualitative and quantitative variables?</h3>
  • Qualitative variables: Assumes labels or ranks.
  • Quantitative variables: Assume numerical values.

In this problem, the type of writing utensil has 4 labels: regular pencil, mechanical pencil, pen, whatever.

Hence, since the variable assumes labels and not numbers, it is classified as qualitative.

More can be learned about quantitative and qualitative variables at brainly.com/question/20598475

5 0
3 years ago
12x-4x+3+11 help me solve this problem
daser333 [38]

Answer:

8x + 14

Step-by-step explanation:

12x - 4x + 3 + 11 <em>(</em><em>Subtract</em><em> </em><em>12x</em><em> </em><em>-</em><em> </em><em>4x</em><em>)</em>

8x + 3 + 11<em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em>(</em><em>Add</em><em> </em><em>3</em><em> </em><em>+</em><em> </em><em>1</em><em>1</em><em>)</em>

8x + 14

Tip: the like-terms 12x and 4x can be subtracted like regular numbers because they have the same variable and exponent.

6 0
3 years ago
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Anarel [89]
His heart beats 86,400 times within a 24 hour period.
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960 (when he's awake) * 65 beats a minute = 62,400. add 24,000 and 62,400 = 82,400 beats in 24 hours.
8 0
3 years ago
What is 19/5 as a mixed number?
Dvinal [7]

Answer:

3 4/5

Step-by-step explanation:

divide 19 by 5 which gets you that as a decimal

3 0
3 years ago
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