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kramer
3 years ago
6

Plz i need a quick help doing this question

Mathematics
1 answer:
Anni [7]3 years ago
6 0
-13 degrees celsius
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What is the constant of variation, k, of the direct variation, y = kx, through (–3, 2)?
anygoal [31]
Answer:

k = 2/-3

Step-by-step explanation:

y = kx

Point: (-3, 2)

2 = k(-3)

k = 2/-3

k = -0.6
5 0
3 years ago
Does anyone know how to calculate this
stich3 [128]

Answer:

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2 years ago
The school currently has 30 classrooms. With the addition, there will be 40 classrooms. What percentage of the current number of
stiv31 [10]
The answer is 34%
30+33%=39.9
So round up two 34%
I hope that is right but I think the answer is 34%
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2 years ago
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Vlad [161]

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4 0
3 years ago
In science class, Logan estimates the volume of a sample to be 42 mL. The actual volume of the sample is 48 mL. Find the percent
galina1969 [7]

Answer:

Percent of error of Logan's Estimate is 12.5%

Step-by-step explanation:

Given:

Actual Volume of sample =48 mL

Estimated Volume of sample = 42 mL

We need to find the percent errors of Logan estimate.

To calculate percent of error below are the steps.

Step 1: Subtract the Actual value from the estimated value.

Step 2: Take the absolute value of step 1

Step 3: Divide that answer by the Actual value.

Step 4: Multiply that answer by 100 and add the % symbol to express the answer as a percentage.

Now Substituting the values we get;

Step 1: To Subtract Actual Volume with Estimated Volume

Estimated Volume of sample - Actual Volume of sample = 42 - 48 = -6 mL

Step 2: Find Absolute value we get;

|-6| = 6

Step 3 : Divide that answer by the Actual volume.

\frac{6}{48}=0.125

Step 4: Multiply that answer by 100 and add the % symbol to express the answer as a percentage.

0.125\times 100 = 12.5\%

Hence Percent of error of Logan's Estimate is 12.5%

5 0
3 years ago
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