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Tju [1.3M]
2 years ago
12

1. Classify the situation as direct or inverse variation.

Mathematics
2 answers:
ki77a [65]2 years ago
8 0

1. and 2. is the same question, so the answer to both is <u>direct variation</u>

3. <u>Direct</u> <u>variation</u>

4. <u>Inverse</u> <u>variation</u>

5. I believe it is <u>Inverse</u>, but I'm not 100% certain


castortr0y [4]2 years ago
3 0

Answer:

1. and 2. Direct variation

3. Inverse variation

4. Direct variation

5. Direct variation

Step-by-step explanation:

In direct variation if one variable increase the other one also increase

In inverse variation if one variable increase the other one decrease

1. and 2. Direct variation. As the number of washes increase the cost increase.

3.Inverse variation. If x increase, y has to decrease so that their multiplication remains the same

4. Direct variation. If y increase, x has to increase so that their division remains the same

5. Direct variation. As you spend more time travelling the distance you travel increase

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The number of girl child per family was recorded for 1000 families with 3 children. The data obtained was as follows: [2] Number
ira [324]

Answer:

a.\ Probability = 0.426

b.\ Probability = 0.574

Step-by-step explanation:

Given

Total\ Families = 1000

Number of Girls :      0 ---->  1 -----> 2   ------->3

Number of Families: 112 -> 314 --> 382 ---> 192

Solving (a): At most one girl

From the table, the number of families with at most one girl is: 112 + 314

i.e.

Number of Girls :      0 ---->  1

Number of Families: 112 -> 314

So, we have:

At\ Most\ One\ Girl = 112 + 314

At\ Most\ One\ Girl = 426

The probability is then calculated as:

Probability = \frac{At\ Most\ One\ Girl}{Total}

Probability = \frac{426}{1000}

Probability = 0.426

Solving (b): More girls

From the table, the number of families with more girl is: 382 + 192

i.e.

Number of Girls :      -----> 2   ------->3

Number of Families: --> 382 ---> 192

So, we have:

More\ Girls = 382 + 192

More\ Girls = 574

The probability is then calculated as:

Probability = \frac{More\ Girls}{Total}

Probability = \frac{574}{1000}

Probability = 0.574

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2 years ago
Can someone help me?
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Answer:

someone can help u

Step-by-step explanation:

stan kim namjoon for help

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Read 2 more answers
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