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Alexus [3.1K]
3 years ago
9

What is the % of 37/50

Mathematics
1 answer:
Mrac [35]3 years ago
6 0

Answer:

74%

Step-by-step explanation:

37/50= 0.74x100= 74%

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The class sizes of elementary school classes in a public school district are normally distributed with an unknown population mea
weqwewe [10]

Answer: (17.14,\ 22.86)

Step-by-step explanation:

The confidence interval estimate for the population mean is given by :-

\overline{x}\pm ME, where \overline{x} is the sample mean and ME  is the margin of error.

Given : Sample mean: \overline{x}=20

The margin of error for a 98% confidence interval estimate for the population mean using the Student's t-distribution : ME=2.86

Now, the confidence interval estimate for the population mean will be :-

20\pm2.86=(20-2.86,\ 20+2.86)=(17.14,\ 22.86)

Hence, the 98% confidence interval estimate for the population mean using the Student's t-distribution =  (17.14,\ 22.86)

8 0
3 years ago
A sine function has an amplitude of 3, a period of pi, and a phase shift of pi/2. What is the y-intercept of the function?
jarptica [38.1K]

Based on the calculations, we can logically deduce that the y-intercept of this sine function is equal to: A. 3.

<u>Given the following data:</u>

  • Amplitude = 3
  • Period = π
  • Phase shift = π/2

<h3>How to determine the y-intercept of this function?</h3>

Mathematically, a sine function is modeled by this equation:

y = Asin(ωt + ø)

<u>Where:</u>

  • A represents the amplitude.
  • ω represents angular velocity.
  • t represents the period.
  • ø represents the phase shift.

Also, the period of a sine wave is given by:

t = 2π/ω

2 = 2π/ω

ω = 2

Substituting the given parameters into the equation, we have;

y = 3sin(2t + π/2)

At t = 0, we have:

y = 3sin(2(0) + π/2)

y = 3sin(π/2)

y = 3sin(90)

y = 3 × 1

y = 3.

In conclusion, we can logically deduce that the y-intercept of this sine function is equal to 3.

Read more on phase shift here: brainly.com/question/27692212

#SPJ1

5 0
2 years ago
Point Kis on line segment JL. Given JL = 4x + 2, KL=5x– 6, and JK = 3x, determine the numerical length of JK.​
Salsk061 [2.6K]

Answer:6

Step-by-step explanation:

6 0
3 years ago
3x - 3y = 9 for D = (0,3,8)
scoray [572]

Answer:

3(x-y)

Step-by-step explanation:

8 0
3 years ago
Worked Example: Simplify the expression 7x + 3 - 5x + 8 + 4x<br> - 1.
Misha Larkins [42]

Answer:

6x+10

Step-by-step explanation:

8 0
3 years ago
Read 2 more answers
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