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zubka84 [21]
3 years ago
5

Im lost, I don't understand the corolation

Mathematics
1 answer:
elena55 [62]3 years ago
7 0
To solve for the variable "w" you only need to use algebra to get it alone on one side of the equals sign.

c = a( \frac{w}{150})  \\  \\  \frac{c}{a} =  \frac{w}{150}  \\  \\  \frac{150c}{a} = w
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gabriella rents bikes for $13 plus $7 per hour. Eduardo paid $27 to rent a bike for how many hours did he rent the bike?
e-lub [12.9K]

He has it for 2 hours

5 0
3 years ago
Read 2 more answers
HELP ASAP FOR BRAINLIEST: The mean score for a standardized test is 1700 points. The results are normally distributed with a sta
WITCHER [35]

Answer:

Step-by-step explanation:

Since the results for the standardized test are normally distributed, we would apply the formula for normal distribution which is expressed as

z = (x - µ)/σ

Where

x = test reults

µ = mean score

σ = standard deviation

From the information given,

µ = 1700 points

σ = 75 points

We want to the probability that a student will score more than 1700 points. This is expressed as

P(x > 1700) = 1 - P(x ≤ 1700)

For x = 1700,

z = (1700 - 1700)/75 = 0/75 = 0

Looking at the normal distribution table, the probability corresponding to the z score is 0.5

P(x > 1700) = 1 - 0.5 = 0.5

8 0
3 years ago
Please answer quickly and show work. (If you show work you get brainliest)
vfiekz [6]
Tip: decimal to percentage is easy. 0.78 would be 78%. percentage would be vice versa 39% is 0.39. decimal or percentage to fraction is easy aswell, make the number out of 100, meaning 39% would be 39/100
8 0
3 years ago
The area of a circle is 615.44 in2. What is the diameter of the circle? Use 3.14 for π.
Shalnov [3]
615.44 = (3.14)(radius)^2 

<span>radius = square-root of (615.44/3.14) </span>

<span>diameter = radius x 2 </span>

<span>diameter = 28 inches 

3.14

</span>
6 0
3 years ago
Read 2 more answers
Solve for x: 0.75x-0.25=3.5
exis [7]

Answer:

x=5

Step-by-step explanation:

3.5=0.75x-0.25

add 0.25 to 3.5

3.75=0.75x

divide 3.75 by 0.75

x=5

4 0
3 years ago
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