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3 years ago

5

Emily recorded the test scores of the students in her class in the dot plot below. Which measure of center would be best to use

for this distribution?

2 answers:

Diano4ka-milaya [45]3 years ago

6 0

You can tell they go by 5’s 50,55,60,70,75,80,85,90,95,100

lukranit [14]3 years ago

5 0

Since the dot plot appears to be normally distributed the best measure of center would be the median.

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Please answer the question below

alexandr402 [8]

The value of x in the given sector is determined as 7.1.

<h3>Area of the sector</h3>

Total area of the sector = area of the shaded + area of the unshaded

Since shaded and unshaded areas are equal, the value of x is calculated as follows;

πr²θ/360 = πx²60/360 + πx²60/360

πr²θ/360 = 2(πx²θ/360)

πr² = 2(πx²)

r² = 2x²

x² = r²/2

x² = (10²)/2

x² = 50

x = √50

x = 7.1

Thus, the value of x in the given sector is determined as 7.1.

Learn more about area of sector here: brainly.com/question/22972014

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4 0

2 years ago

Suppose you use have $50 and earn $8 per hour. How many hours must you work until you have $170

Nataly_w [17]

15. $170-$50= $120/$8= $15

4 0

3 years ago

Read 2 more answers

Fine the area of the shaped trapezium in the rectangle below

Ksenya-84 [330]

At first find the area of rectangle:
(x + 4)*(x + 1) = x^2 + 5x + 4
Then find the area of triangle:
$\frac{(x+1)(x-3)}{2} = \frac{x^2-2x-3}{2}$
Then you must do like this
Area of rectangle - Area of triangle = Area of the shaded
x^2+5x+4 - ( $\frac{x^2-2x-3}{2}$ )

7 0

3 years ago

Find four consecutive integers such that 8 times the sum of the first and the third is 40 greater than 10 times the fourth

tatuchka [14]

All four consecutive integers will be 9, 10, 11, and 12 and can be found out by high common sense.

<h3>What is the pattern?</h3>

A pattern is a specific arrangement of numbers or any term which will follow a specific code or hint.

For example 2,4,6,8 in this, the difference between any two-term is only 2 and this will be its specific pattern.

Given that,

8 times the sum of the first and the third = 8( 1st + 3rd)

40 greater than 10 times the fourth = 40 + 10(4th)

So,

8( 1st + 3rd) = 40 + 10(4th)

Now if we look right and side then it will come out as any number with the unit placed as 0.

So it means on the left side also the unit place must be 0.

By thinking of 1st + 3rd = 10 /20 because at 45 it will be 40 which is not equal to the right-hand side.

Now by hit and trial method, we need to guess it 20 = 9 + 11

Then

8(9 + 11) = 40 + 10(12)

One equation can never give us three unknowns hence it will be the correct way.

Hence so the four consecutive integers will be 9, 10, 11, and 12.

For more information about the pattern

brainly.com/question/14013716

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6 0

2 years ago

The absolute value of 4 + 7i is equal to the square root of

Vedmedyk [2.9K]

4 + 7 = 11. 11x11 = 121. the answer is the square root of 121. Hope it helps :)

5 0

3 years ago