9. On a standardized test where the results are distributed normally, Elliete scored a 246. If the mean score was
a 182 with a standard deviation of 36, then what is Elliete's percentile rank (percent less than or equal to 246)
rounded to the nearest whole percent? Explain how you arrived at your answer.

Answers

Answer 1

Elliete's percentile rank is 96% for a score less than or equal to 246

The z score is used to determine by how many standard deviations the raw score is above or below the mean. The z score is given by:

[tex]z=\frac{x-\mu}{\sigma} \\\\where\ x=raw\ score,\mu=mean,\sigma=standard\ deviation[/tex]

Given that μ = 182, σ = 36

For x ≤ 246:

[tex]z=\frac{246-182}{36}=1.78[/tex]

From the normal distribution table:

P(x ≤ 246) = P(z < 1.78) = 0.9625 = 96%

Elliete's percentile rank is 96% for a score less than or equal to 246

Find out more on z score at: https://brainly.com/question/25638875


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50 POINTS MATH HELP ASAP

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Answer: 90° + 41° =131° 180°-131° =149°

X=5.5-6

Step-by-step explanation:

Step-by-step explanation:

i think it is the answer ...

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Answer:

16/3 or 5 1/3

Step-by-step explanation:

Cross Multiply

4×4

3×x

16=3x

Divide 3 from 16

x=16/3 or 5 1/3

Which expression is equal to 6 x (3 + 8)?
OA (6 + 3) < (6 + 8)
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O C. (
63) (6 x 8)
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D. (6 + 3) + (6 + 8)
+

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[tex]6 \times (3 + 8) \\ = (6 \times 3) + (6 \times 8)[/tex]

Answer:

(6×3)+(6×8)

Hope you could get an idea from here.

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I WILL GIVE 30 POINTS TO THOSE WHO FILL IN THE BLANK CORRECTLY

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Answer:

See image

Step-by-step explanation:

Use Pythagorean Theorem

a^2 + b^2 = c^2

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Can someone help me with this? Its fairly easy but i genuinely dont remember

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Supplementary angels

WILL GIVE BRAINLIEST IF UR RIGHTTT!

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Answer:

[tex]-\sqrt{5\\}[/tex]

Step-by-step explanation:

please help asap!!!!

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Answer:

Question 2: 2/3

Question 1: 1/3

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Step-by-step explanation:

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Answer:

c=54

Step-by-step explanation:



8. Phil received a commission of 5% on
the sale of a house. If the amount of
his commission was $4780, what was
the selling price of the house?

What’s the answer

Answers

Answer:

$95,600

Step-by-step explanation:

the question can be rephrased as '4780 is five percent of what number'?

we can use the ratio of 'is/over' = %/100 to solve

'is' = 4780

'of' = selling price of house ('p')

4780/p = 5/100

now cross-multiply:

5p = 478000

p = 95600

A flower bed is in the shape of a triangle with one side twice the length of the shortest​ side, and the third side is 19 feet more than the length of the shortest side. Find the dimensions if the perimeter is 167 feet.

PLS HELP URGENTT

Answers

Answer:

Please give Brainliest!

Step-by-step explanation:

The three sides are 36ft, 72ft, and 59 ft.

I need these answers for a worksheet I have and I would appreciate it if someone would help me out.
Question 1. You can combine like terms to ________ an expression.

Question 2. All ______ are like terms and can be combined.

Question 3. Terms with the same _____ are considered like terms.
Answer choices:
Constants

variables

simplify

Answers

you can combine like terms to SIMPLIFY an expression.

All CONSTANTS are like terms and can be combined.

Terms with the same VARIABLE are considered like terms

Someone please help me!!

Answers

Answer:

answer attached: x = 5√2

Step-by-step explanation:

Answer:

Step-by-step explanation:

All of the right triangles are similar. This means ...

  long side / short side = x/2 = 25/x

Multiplying by 2x gives ...

  x² = 25·2

  x = (√25)(√2)

  x = 5√2

_____

Additional comment

The "geometric mean" of 'a' and 'b' is √(ab). With this in mind, you can see that x is the geometric mean of the lengths 2 and 25. This is always true for this right-triangle geometry.

There are two other geometric mean relations in this geometry, having to do with the other possible ratios of sides. In effect, the length of a segment that touches the hypotenuse (longest side) of the triangle is the geometric mean of the two segments of the hypotenuse it touches.

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Answer:

At the end of the 4th round

x=4

Step-by-step explanation:

Put in a value for x for both equations

3(4) + 50 = 62

4(2)^4 = 64

62<64

So in round 4, Zavion will have more points

Answer as a each as an algebraic expression.

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Answer:

is saying the half of q is 9 so you have to find out the value of q and when you find out the value for example x=18 the half of 18 is 9 I don't know if you undertand my explication

Step-by-step explanation:

18 the half of 18 is 9 because 9+9=18

1.What is the domain of this graph?____

Answers

Answer:

x=2

Step-by-step explanation:

Graph y=2x+5 on the plane

Answers

Answer:

Incorrect

Step-by-step explanation:

for your slope go down two to the right one

Plz help me give me answer

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Answer:

C

Step-by-step explanation:

The absolute value is the distance between a number and zero. The distance between -3 to 0 is 3, because |-3| = 3.One thing you should remember is that distance can never be negative.

Answer:

C. 3, because |-3| = 3

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Doubt clarification - use comment section.

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Answer:

3 3/4

Step-by-step explanation:

(a) Round off 3.612 and 29.87 to 2 significant figures.
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Answers

A)

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B)

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Easy method to do this:
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whats 8 to the power of 6 please

Answers

Answer:

262144

Step-by-step explanation:

Hope I was able to help you with your question , have a great day :)

Answer:

Step-by-step explanation:

I think 8 to the power of 6 Is 262144

There are three times as many girls as boys in the school choir. If there are 24 girls how many singers are in the chior altogether

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Answer: 8

Step-by-step explanation:

Answer:

chicken

Step-by-step explanation:

nugget

Consider the equation 1/4y=1.5x. Solve the equation for y to find the constant of proportionality.The constant of proportionality for the equation is

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The first thing I did was to be a part of the world, and the other is a great way to get the best out of the way, and I have to say that I am not a fan of the
The first thing I did was to be apart part of the problem and a few of my own personal information ℹ️ and a

Help please!! Ill give 100 points!

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Answer:

B)

Step-by-step explanation:

10/5 + 4(72 - 6)

10/5 + 288 - 24          Distribute the 4 to 72 and 6

2 + 288 - 24               Divide

2 + 264                       Combine the like terms

262                        

help me pliz ill give u full stars i need help quick fast pliz

Answers

Answer:

[-5, 5]

Step-by-step explanation:

f(x) = 3x + 4 + 2 g(x) = 4 Find (f + g)(x). A. (f +g)(x) = 3x +4 +6 B. (f +g)(x) = 3x + 10 c. (f +g)(x) = 3x + 6 + 4 O D. (f +g)(x) = 3x + 10​

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Answer:

(f+g) (x)= -5x-4= (-3x-2)

or, -5x + 3x= -4+2

or, -2x= -2

or,x= 2/2

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Step-by-step explanation:

Find the slope of the line that passes through 9,7 and 6,15

Answers

[tex]\huge \bf༆ Answer ༄[/tex]

Let's find the slope considering the points (9 , 7) and (6 , 15)

[tex] \sf \dfrac{y2 - y1}{x2 - x1} [/tex]

[tex] \sf \dfrac{15 - 7}{6 - 9} [/tex]

[tex] \sf \dfrac{8}{ - 3} [/tex]

[tex] - \dfrac{8}{3} [/tex]

will mark brainliest (2 possible answers pls) ( NO LINKS OR ANSWERS WITH NO EXPLANATION)

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Answer:

P = 22.22

Step-by-step explanation:

If 35 liters of petrol cost $21.00, what is the price per liter?

Answers

Step-by-step explanation:

if 21 dollars = 35 liters

the ? dollars = 1 litre

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so we have

1/ 35 ×21

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0.6

Hi Help me with question 6b) pls

Answers

Answer:

k = 9

Step-by-step explanation:

Consider the pattern on the right side , that is

[tex]T_{k}[/tex] = k(k + 2) + 1 = k² + 2k + 1

Equating

k² + 2k + 1 = 100 ( subtract 100 from both sides )

k² + 2k - 99 = 0 ← in standard form

(k + 11)(k - 9) = 0 ← in factored form

Equate each factor to zero and solve for k

k + 11 = 0 ⇒ k = - 11

k - 9 = 0 ⇒ k = 9

But k > 0 , then k = 9

Please I really need help (50 points)
Provide the missing statements and reasons for the following proof.

Answers

Answer:

PROOF FOR THE "PROVE" SECTION:

As linear pairs, angle 2 and 3 are supplementary to each other. Angle 1 is equal to angle 2, as they are both same-side interior angles. Therefore, angle 1 and angle 3 are also supplementary.

Filling in the missing blanks:

S1. Angle 1, Angle 2, Angle 3

S2. Angle 1 and Angle 2

R3. Congruent (___)

R5. supplementary angles

S7. Angle 1 = Angle 2, so Angle 1 can be substitued in for Angle 2 in any equation, and Angle 2 can be substitued for Angle 1 in any equation as well (they can replace each other, like x=y & y=x or a=b & b=a)

Hope this helped! Have a great day (pls mark brainliest)!!

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