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atroni [7]
3 years ago
14

Which equation represents a proportional relationship? y = 3x y=−3x+2 y=2(x+13) y=12x help ill give brainliest

Mathematics
1 answer:
saul85 [17]3 years ago
7 0

Answer:

two equations  y=3x

and y=12x

are proportional relation ship equations

Step-by-step explanation:

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What 3 equations equal to 120
Elanso [62]

Answer: 119+1=120

121-1=120

60*2=120

Step-by-step explanation:

It is what it is

8 0
3 years ago
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The head of maintenance at XYZ Rent-A-Car believes that the mean number of miles between services is 3408 miles, with a variance
Murrr4er [49]

Answer:

The probability that the mean of a sample of 36 cars would be less than 3245 miles

P(X⁻≤3245) = 0.975

Step-by-step explanation:

<u><em>Step(i)</em></u>:-

The mean number of miles between services

                   μ= 3408 miles  

The Variance of miles between services

                σ² = 249,001

                σ = √249,001 = 499

Let 'X' be a random variable in a normal distribution

Given sample size 'n' =36

<u><em>Step(ii):</em></u>-

           Z = \frac{x^{-}-mean }{\frac{S.D}{\sqrt{n} } }

          Z = -163/83.16 = 1.96

The probability that the mean of a sample of 36 cars would be less than 3245 miles

P(X⁻≤3245)  =   P(Z≤1.96)

                   =   0.5 + A(1.96)

                   =  0.5 + 0.4750

                  =   0.975

<u><em>Final answer</em></u>:-

The probability that the mean of a sample of 36 cars would be less than 3245 miles

P(X⁻≤3245) =0.975

           

         

         

6 0
3 years ago
A clown has three purple balloons labeled a, b, and c, three yellow balloons labeled a, b, and c, and
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4 years ago
If q is directly proportional to p and q = 28 when p = 4 (Express q in teams of p.)
k0ka [10]

Answer:

q = 7p

Step-by-step explanation:

given q is directly proportional to p then the equation relating them is

q = kp ← k is the constant of proportion

To find k use the condition q = 28 when p = 4 , then

28 = 4k ( divide both sides by 4 )

7 = k

q = 7p ← equation of proportion

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3 years ago
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A laser beam is transmitted with a "width" of .0008 degrees and
pickupchik [31]

Answer:

Object will be at a distance of 358098.6 km from the source

Step-by-step explanation:

We have given angle = 0.0008 degree =\frac{0.0008\times \pi }{180}=4.444\times 10^{-6}\pi

Radius is given = 2.50 km

Linear size of the object will be equal to diameter

So linear size = 2.5×2 = 5 km

We know that linear size =distance \times \Theta

So 5=d\times 4.444\times 10^{-6}\pi

d = 358098.6 km

5 0
3 years ago
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