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joja [24]
2 years ago
15

47,34,29,37,22,25,36,39,42,45 Find the range of the marks of the students.

Mathematics
1 answer:
Gnesinka [82]2 years ago
8 0
Range = biggest result - smallest
Range= 47-22= 25

(Mark me the brainliest if this has helped!)
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1- Name the Circle<br><br><br>3- Name Two Chords<br><br><br>5- Name a tangent
Gnoma [55]

Answer:

Name: Circle A

Chords: Chord DP, Chord HC

Tangent: EFG

Step-by-step explanation:

Name a circle by the center, in this case it's A.

Chord: A chord is a line only in the circle, not outside of it, and its endpoints are right on the circle.

Tangent of a circle: "Tangent" means touching, and this is a line, in terms of a circle, that touches the circle but is not INSIDE of the circle.  

7 0
3 years ago
A math class's mean test score is 88.4. The standard deviation is 4.0. If Kimmie scored 85.9, what is her z-score
kvv77 [185]

The z-score of Kimmie is -0.625

<h3>Calculating z-score</h3>

The formula for calculating the z-score is expressed as;

z = x-η/s

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η is the mean

s is the standard deviation

x is the Kimmie score

Substitute the given parameter

z = 85.9-88.4/4.0

z = -2.5/4.0

z = -0.625

Hence the z-score of Kimmie is -0.625

Learn more on z-score here: brainly.com/question/25638875

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5 0
2 years ago
Solve 4e^2x-3=12 please help
Anestetic [448]

4*e^{2x} -3 = 12

Step 1:

Here we have -3 in subtraction on the left side, so when we take it to the right we apply opposite operation of subtraction that is addition.

4*e^{2x} = 12+3

4*e^{2x} = 15

Step 2:

Next we have 4 in multiplication on left side, so dividing right side by 4,

e^{2x} = 15/4

e^{2x} = 3.75

Step 3:

taking log on both sides

ln ( e^{2x}) = ln(3.75)

{2x} =ln 3.75

Step 4:

Dividing right side by 2,

x= ln (3.75) /2 = 0.66088

Answer : x = 0.66088..


5 0
3 years ago
Read 2 more answers
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Sedaia [141]
Answer: actual length = 45 ft

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1/2 inch = 5ft

Meaning that if the drawing scale is 0.5 inch then the actual bus would be 5ft.

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1/2 = 5
4 1/2 = x

=> x = (5 x 4 1/2)/1/2
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Therefore the actual length of the bus is 45 ft

3 0
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hichkok12 [17]

Answer:

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