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2 years ago

Given the area of a square is 225 ft.² what is the length of each side

Mathematics

1 answer:

Vinvika [58]2 years ago

8 0

Answer:

15ft

Step-by-step explanation:

the square root of 225 is 15, so the answer is 15ft

15×15=225

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AURORKA [14]

I’m sorry I don’t get that whole situation

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2 years ago

How can the transformation shown be described? Check all that apply. dilation isometric transformation nonrigid transformation r

sasho [114]

Answer:

C). Nonrigid transformation.

F). Stretch

Step-by-step explanation:

Transformation in mathematics is defined as the alteration or variation in the shape of an object without altering the lengths by using a flip, turn, slide, or resizing.

The transformation 'Hexagon ABCDEF → hexagon A'B'C'D'E'F'' would best be described as the 'non-rigid' and 'stretch' transformation. Non-rigid because it alters the shape or size of the figure both vertically as well as horizontally. It would be considered a stretch transformation as it is resized by a pull from both the vertical and horizontal angles. Thus, options C and F are the correct answers.

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2 years ago

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GIVING BRAINLEST, hi, I need an answer that is 100% correct because this test determines if I'm passing or not, thank you.

zubka84 [21]

Circumference of circle = π x d
diameter = 3x2= 6m
3.14 x 6 = 18.84m (circumference)

Area of a circle = π x r x r
=3.14 x 3 x 3
=28.26m2 (area)

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3 years ago

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Rebecca was advised to invest her £12000 life savings in a special High

Evgesh-ka [11]

#1st year

$\\ \rm\Rrightarrow 12000+0.045(12000)=12540$

#2nd year

$\\ \rm\Rrightarrow 12540+0.05(12540)=13167$

#3rd year

$\\ \rm\Rrightarrow 13167+0.053(13167)=13864.85$

#4th year

$\\ \rm\Rrightarrow 13864.85+13864.85(0.049)=14544.2$

Total interest

$\\ \rm\Rrightarrow 14544.2-12000=£ 2544.2$

Percentage

$\\ \rm\Rrightarrow \dfrac{2544.2}{12000}\times 100$

$\\ \rm\Rrightarrow 21.2\%$

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2 years ago

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It takes 3 hours to paddle a kayak 12 miles downstream and 4 hours for the return trip upstream. Find the rate of the kayak in s

Furkat [3]

The rate of the kayak in still water is 3.5 mph

<h3>Solution:</h3>

Given that It takes 3 hours to paddle a kayak 12 miles downstream

Distance covered in downstream = 12 miles

Time taken to cover downstream = 3 hours

Also given that it takes 4 hours for the return trip upstream

Distance covered in upstream = 12 miles

Time taken to cover upstream = 4 hours

Formula to remember:

If the speed of a boat in still water is u km/hr and the speed of the stream is v km/hr, then: Speed downstream = (u + v) km/hr and Speed upstream = (u - v) km/hr

Let the speed of Kayak in still water = x mph

And The speed of current = y mph

For downstream:

Speed downstream = x + y

We know that $speed = \frac{distance}{time}$

$\frac{distance}{time} = x + y$

$x + y = \frac{12}{3}$

x + y = 4 ------ eqn 1

For upstream:

Speed upstream = x - y

$\frac{12}{4} = x - y$

x - y = 3 -------- eqn 2

Now let us eqn 1 and eqn 2

Add eqn 1 and eqn 2

x + y + x - y = 4 + 3

2x = 7

x = 3.5

speed of Kayak in still water = x mph = 3.5 mph

6 0

3 years ago