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Mashcka [7]
3 years ago
7

You walk around a circle which has a diameter of 9 m, how far have you walked?

Mathematics
2 answers:
Snezhnost [94]3 years ago
6 0

Answer:

C =28.26m

Step-by-step explanation:

We are walking around a circle, which means we are finding the perimeter.  The perimeter of a circle is called the circumference.

We find the circumference by

C = pi *d  where d is the diameter

C = 3.14 * 9

C =28.26m

LenKa [72]3 years ago
3 0

Answer:

28.26 m

Step-by-step explanation:

Radius = 9/2 = 4.5m

Circumference = 2 × pi × r

= 2 × 3.14 × 4.5

= 28.26

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A segment in the complex plane has a midpoint at 3 – 2i. If one endpoint of the segment is at 7 i, what is the other endpoint? –
Brut [27]

The midpoint of a segment divides the segment into equal halves

The other endpoint is 1- 5i

<h3>How to determine the missing endpoint </h3>

The coordinates are given as:

Point 1: 7 + i

Midpoint: 3 - 2i

Represent the other endpoint with x.

So, we have:

2 * Midpoint = Point 1 + x

This gives

2 * (3 - 2i) =7 + i + x

6 - 4i =7 + i + x

Collect like terms

x = 6 -7- 4i -i

Evaluate the like terms

x = 1- 5i

Hence, the other endpoint is 1- 5i

Read more about midpoints ta:

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6 0
2 years ago
Someone help, I don't understand what trig ratio to use, or how to get the answer to w or x
shtirl [24]

Answer:

Uhm I think you need to like times the 10 to the 56? erm yeaaaaaaa SOrry if you get it wrong

Step-by-step explanation:

4 0
3 years ago
Read 2 more answers
Which of the following points represents the center of a circle whose equation is (X - 5)2 + (y-4)2 = 25?
Ivan

The correct answer is option D. The coordinates of the centre for the given equation of a circle is (5,4).

The complete question is as below:-

Which of the following points represents the centre of a circle whose

equation is (X - 5)2 + (y-4)2 = 25?

A. (-5,-4)

B. (5,-4)

C. (-5,4)

D. (5,4)

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

The circle is defined as the locus of the point traces around a fixed point called the centre and is equidistant from the out trace.

The equation of a circle in standard form is

(x - h)² + (y - k)² = r²

where (h, k) are the coordinates of the centre and r the radius

(x - 5)² + (y - 4)² = 25 ← is in standard form

We can see that the centre of the circle is (5,4) by comparing the equation with the standard form.

Therefore the correct answer is option D. The coordinates of the centre for the given equation of a circle is (5,4).

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4 0
2 years ago
What is the quotient for 34÷3
ExtremeBDS [4]
34/3 = 11 1/3 = 11.3333....
3 0
3 years ago
A garden snail traveled 1⁄40 of a mile in 1⁄2 an hour. What was the speed of the snail?
vovikov84 [41]
A mile=5280 feet
1/40 mile*(5280 feet/1 mile)=132 feet

132 feet-------------------1/2  hour
x------------------------------1 hour
x=(132 feet*1 hour) / (1/2 hour)=264 feet/hour.

264 feet/h *(1 mile/5280 feet)=0.05 miles/ h

Solution:  S=264 feet/h  (≈0.05 miles/h)


7 0
3 years ago
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