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2 years ago

How do I write half of the difference of a number and eleven in mathematical terms?

Mathematics

2 answers:

Ilya [14]2 years ago

8 0

(x+11)÷2 Would be how to write it, replace x with any number

olganol [36]2 years ago

5 0

(n-11)/2 You subtract a number from 11, and then divide it by 2! ;-)

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The length of one side of a square is 3n+2. The perimeter of the square is 4(3n+2). Which expression is equivalent to the perime

deff fn [24]

Answer:

4(3n + 2)

Step-by-step explanation:

as we know perimeter of a square is 4 x side

one side is 3n + 2

4 sides = 4(3n +2)

8 0

2 years ago

Find the area of the figure.

Ivanshal [37]

Step-by-step explanation:

Area of Rectangle at the top =

Length x Width

$= 3.5 \times 3 \\ = 10.5 {mm}^{2}$

Area of Quarter- Circle = 1/4 x Area of Circle

$= \frac{1}{4} \pi {r}^{2} \\ = \frac{1}{4} \pi( {3.5}^{2} ) \\ = 3 \frac{1}{16} \pi {mm}^{2}$

Area of Rectangle at the right = Length x Width

$= 5.5 \times 3.5 \\ = 19.25 {mm}^{2}$

Total Area = Area of 2 Rectangles + Area of Quarter Circle

$= 10.5 + 3 \frac{1}{16} \pi + 19.25 \\ = 29.75 + 3 \frac{1}{16}\pi \\ = 32 \frac{13}{16}\pi {mm}^{2}$

I will leave the answer in terms of pi as I'm not sure if you need to round off your answer.

8 0

2 years ago

K means vs k medoids are the same when data set is large

Hitman42 [59]

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2 years ago

The area of the triangle below is 3/40

zubka84 [21]

Answer:

b = 3/4

Step-by-step explanation:

The area of a triangle is given by

A = 1/2 bh

3/ 40 = 1/2 b ( 1/5)

Multiply

3/40 = 1/10 b

Multiply each side by 10

10 *3/40 = 10* 1/10 b

3/4 = b

3 0

2 years ago

the probability of a number cube landing on 4 is 1/6 if a number cube is tossed 12 times how many times can it be expected to la

oksano4ka [1.4K]

The answer is twice, because 1/6 of 12 is 2

7 0

2 years ago