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3 years ago

hey can someone help me with this immediately! i’ll be giving out brainiest if u don’t leave a link and don’t guess!

Mathematics

2 answers:

Minchanka [31]3 years ago

8 0

Answer:

(3x3) /9

Step-by-step explanation:

first you triple the three (3x3) then divide by 9

kykrilka [37]3 years ago

7 0

Answer:

Step-by-step explanation:

its:

3×3/9

=9/9

= 1⠀⠀⠀⠀⠀⠀

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The following shape is only based on squares, semicircles and quarter circles. Find the Area and Perimeter of the shaded part. A

charle [14.2K]

The perimeter of the shaded region is 8π cm and the area of the shaded region is 32(π - 2) cm² or 36.53 square cm.

<h3>What is a circle?</h3>

It is described as a set of points, where each point is at the same distance from a fixed point (called the center of a circle)

We have shown a square in which a one-fourth circle is shown and making an ellipse.

The perimeter of the circle = 2πr = 2π(8) = 16π cm

The perimeter of the one-fourth is circle = (16π)/4 = 4π cm

The perimeter of 2 one-fourth circle = 2(4π) = 8π cm

The area of the one-fourth circle = (1/4)πr² = (1/4)π(8)² = 16π square cm

The area of the right-angle triangle = (1/2)(8)(8) = 32 square cm

The area of the shaded region = 2(16π - 32) = 36.53 square cm

= 32(π - 2)cm²

Thus, the perimeter of the shaded region is 8π cm and the area of the shaded region is 32(π - 2) cm² or 36.53 square cm.

Learn more about circle here:

brainly.com/question/11833983

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6 0

2 years ago

Simply<br> (2k-9)^2+(k+2)^2=(2k+1)^2+(k-8)^2

vova2212 [387]

The square of a binomial expands as follows:

$(a+b)^2=a^2+2ab+b^2$

Expanding all the binomials, we have

$4k^2-36k+81+k^2+4k+4=4k^2+4k+1+k^2-16k+64$

Sum like terms:

$5k^2-32k+85=5k^2-12k+65$

Simplify terms appearing on both sides:

$-32k+85=-12k+65$

Move all terms involving k to the left and all numbers to the right:

$-20k=-20$

Divide both sides by -20:

$k=1$

6 0

4 years ago

Sarawong is carrying six pages of math homework and four pages of english homework. a gust of wind blows the pages out of his ha

Eduardwww [97]

The sample space of the experiment (i.e. the total number of ways he can pick 7 random pages out of a total of 6 + 4 = 10 pages) is given by:

$^{10}C_7=120$

If he picks at least 5 pages of maths homework, this means that he either picked 5 pages or 6 pages of maths homework.

The number of ways he can pick 5 or 6 maths homework is given by:

$^6C_5+{ ^6C_6}=6\times1=6$

Therefore, the probability that he recovers at least 5 pages of his math homework is given by:

$\frac{6}{120} = \frac{1}{20}$

5 0

3 years ago

What is the slope of the line?

gayaneshka [121]

The answer is (5,4). X being the run (5), and Y being the rise (4).

5 0

3 years ago

Read 2 more answers

Slope of 1/2 and y-intercept is -5.

bija089 [108]

Answer:

Y= 1/2x-5

Step-by-step explanation:

4 0

3 years ago

￼ hey can someone help me with this immediately! i’ll be giving out brainiest if u don’t leave a link and don’t guess!

hey can someone help me with this immediately! i’ll be giving out brainiest if u don’t leave a link and don’t guess!