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2 years ago

George cut 5 oranges into quarters.How many pieces of orange did he have?

Mathematics

2 answers:

MrRissso [65]2 years ago

8 0

20 bro you need to know your facts!!!!

zhannawk [14.2K]2 years ago

5 0

He has 20 pieces of orange because 5x4 equals 20

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The combined math and verbal scores for students taking a national standardized examination for college admission, is normally d

kipiarov [429]

Answer:

The minimum score that such a student can obtain and still qualify for admission at the college = 660.1

Step-by-step explanation:

This is a normal distribution problem, for the combined math and verbal scores for students taking a national standardized examination for college admission, the

Mean = μ = 560

Standard deviation = σ = 260

A college requires a student to be in the top 35 % of students taking this test, what is the minimum score that such a student can obtain and still qualify for admission at the college?

Let the minimum score that such a student can obtain and still qualify for admission at the college be x' and its z-score be z'.

P(x > x') = P(z > z') = 35% = 0.35

P(z > z') = 1 - P(z ≤ z') = 0.35

P(z ≤ z') = 1 - 0.35 = 0.65

Using the normal distribution table,

z' = 0.385

we then convert this z-score back to a combined math and verbal scores.

The z-score for any value is the value minus the mean then divided by the standard deviation.

z' = (x' - μ)/σ

0.385 = (x' - 560)/260

x' = (0.385×260) + 560 = 660.1

Hope this Helps!!!

8 0

3 years ago

A recipe calls for 1 cup of milk for every 4 cups of flour. Write the linear equation that describes this relationship.

yan [13]

The correct answer is y=4x

8 0

2 years ago

The diagram shows a straight line ABCD.

Nady [450]

Answer:

B (0, 285 ) , C (380, 0 )

Step-by-step explanation:

the first step is to obtain the equation of the line in slope- intercept form

y = mx + c ( m is the slope and c the y- intercept )

calculate m using the slope formula

m = $\frac{y_{2}-y_{1} }{x_{2}-x_{1} }$

with (x₁, y₁ ) = A(- 260, 480 ) and (x₂, y₂ ) = D (620, - 180 )

m = $\frac{-180-480}{620-(-260)}$ = $\frac{-660}{620+260}$ = $\frac{-660}{880}$ = - $\frac{66}{88}$ = - 0.75 , then

y = - 0.75x + c ← is the partial equation

to find c substitute either of the 2 points into the partial equatio

using (620, - 180 ) , then

- 180 = - 465 + c ⇒ c = - 180 + 465 = 285

So y- intercept is B (0, 285 )

y = - 0.75x + 285 ← equation of line

to find the x- intercept , let y = 0 in the equation and solve for x

0 = - 0.75 + 285 ( subtract 285 from both sides )

- 285 = - 0.75x ( divide both sides by - 0.75 )

380 = x

x- intercept is C (380, 0 )

4 0

1 year ago

Read 2 more answers

The centre of the stained glass window is in the shape of a regular polygon. What are the measures of the interior angle of the

tester [92]

Answer:

67.5 - 67.5 - 45 °

Step-by-step explanation:

Sum of INTERIOR angles of a polygon

(n-2) * 180 <====<u>ya just have to remember/know this !</u>

n is the number of sides n = 8 in this case

(8-2)*180 = 1080 ° < === this is the SUM of the 8 interior angles

EACH interior angle is then 1080 / 8 = 135 °

you can see from the picture that each of the two outside angles of the green triangle are 1/2 of this = 67.5° each

so the triangle measurements are

67.5 - 67.5 - 45 ( they have to sum to 180 for triangle)

4 0

1 year ago

6/24 divided by 12/16

garri49 [273]

The answer is would be 1/3

7 0

2 years ago