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natali 33 [55]
3 years ago
11

If y=3 when x=4,find y when x=6

Mathematics
2 answers:
sleet_krkn [62]3 years ago
8 0

Answer:

When y=3, x=4 but when x=6, y is :---

\frac{3}{4}  =  \frac{y}{6}  \\ y =  \frac{3 \times 6}{4}  \\ y =  \frac{9}{2}  \\ \boxed{ y = 4.5}

<h3>★ Value of y is <u>4.5</u></h3>
borishaifa [10]3 years ago
6 0

Answer:

2

Step-by-step explanation:

(x)(y) = k    Inverse relationship

(4)(3) = k

12 = k

(6)(y) = 12

y = 2

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The ability to find a job after graduation is very important to GSU students as it is to the students at most colleges and unive
Murrr4er [49]

Answer:

(0.806, 0.839)

Step-by-step explanation:

In a sample with a number n of people surveyed with a probability of a success of \pi, and a confidence level of 1-\alpha, we have the following confidence interval of proportions.

\pi \pm z\sqrt{\frac{\pi(1-\pi)}{n}}

In which

z is the zscore that has a pvalue of 1 - \frac{\alpha}{2}.

Suppose we take a poll (random sample) of 3653 students classified as Juniors and find that 3005 of them believe that they will find a job immediately after graduation.

This means that n = 3653, \pi = \frac{3005}{3653} = 0.823

99% confidence level

So \alpha = 0.01, z is the value of Z that has a pvalue of 1 - \frac{0.01}{2} = 0.995, so Z = 2.575.

The lower limit of this interval is:

\pi - z\sqrt{\frac{\pi(1-\pi)}{n}} = 0.823 - 2.575\sqrt{\frac{0.823*0.177}{3653}} = 0.806

The upper limit of this interval is:

\pi + z\sqrt{\frac{\pi(1-\pi)}{n}} = 0.823 + 2.575\sqrt{\frac{0.823*0.177}{3653}} = 0.839

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5 0
3 years ago
A new car is purchased for 19000 dollars. The value of the car depreciates at 11.25% per year. What will be the value of the far
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Answer:

The answer is 3573.64

Step-by-step explanation:

Exponential Functions:

y=ab^x

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Exponential Decay:

b=1-r=1-0.1125=0.8875

Write Exponential Function:

y=19000(0.8875)^x

Plug in time for x:

y=19000(0.8875)^14

y= 3573.6388855

Evaluate :

y≈3573.64

There you go

4 0
3 years ago
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