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Evgesh-ka [11]
3 years ago
8

Area of a circle? Need to know for big test tomorrow

Mathematics
2 answers:
Aleksandr [31]3 years ago
7 0
To find the area of a circle find the radius and square it then multiply by PI

Area = PI x r^2
SCORPION-xisa [38]3 years ago
7 0
 A = \pi  r^{2} Hope this helps!
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2/3 + 3/4 + 4/2. If a fraction appears in your answer, it should be in simplified form.
V125BC [204]
We must first make each fraction have a common denominator, this will be 12
2/3 * 4/4 = 8/12
3/4 * 3/3 = 9/12
4/2 * 6/6 = 24/12
we can then add the numerators of each fraction
8 + 9 + 24 = 41
so our answer is 41/12
we can not simplify any further and thus get
41/12
5 0
3 years ago
Hawick is 1515 miles south of Abbotsford, and Kelso is 1717 miles east of Abbotsford. What is the distance from Hawick to Kelso?
Mashcka [7]

Answer:

As per the statement:

Hawick is 15 miles south of Abbotsford, and Kelso is 17 miles east of Abbotsford.

Let  H represents  Hawick , A represents Abbotsford and K represents Kelso

See the diagram as shown below:

Distance of AH = 15 miles

Distance of AK = 17 miles.

We have to find the distance HK:

Using Pythagoras theorem;

\text{Hypotenuse side}^2 = \text{Adjacent side}^2 + \text{opposite side}^2

then;

\text{HK}^2 = 15^2+17^2 = 225 + 289 = 514

or

HK = \sqrt{514} =22.671581 miles.

Therefore, the distance from Hawick to Kelso( to the nearest tenth place) is 22.6 miles

5 0
3 years ago
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The scale on a map says that 6 cm represents 15 km. What distance on the map in centimeters represents 20 kilometers?
ale4655 [162]

Answer:

8 centimeters.

Step-by-step explanation:

6cm\ on\ map\ -> 15km\\

Divide 3 both sides:

2cm\ on\ map\ -> 5km

Multiply 4 on both sides:

8cm\ on\ map\ -> 20km

8cm on the map represents 20km.

4 0
4 years ago
What’s the line between 2 faces ?<br> A. A vertex <br> B. An edge <br> C. An intersection
Georgia [21]

Answer:

B, an edge, because a vertex is the angular point, and an intersection is the point in where two lines meet.

Step-by-step explanation:

3 0
4 years ago
N the Present Value of an Ordinary Annuity formula, what does the n represent?
Vika [28.1K]

Answer:

a........................................................

Step-by-step explanation:

4 0
3 years ago
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