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Bad White [126]
3 years ago
7

Find the circumference of the circle. Use 3.14 for pi. The circle has radius 7.5 centimeters.

Mathematics
1 answer:
NeTakaya3 years ago
8 0

Answer:

C= 47.12 cm

Step-by-step explanation:

C= 2(3.14)* 7.5= 47.12389

round--> 47.12 cm

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3 years ago
Kim works as a salesperson for a photo studio. To find her earnings for the week, she multiples his total sales by 0.175. Her sa
choli [55]
To get the earning for the week you have to do this:
0.175 * the total sales

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Now, round it to the nearest hundredth to get your answer:
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5 0
3 years ago
A pendulum 18 cm in length swings 72 degrees from right to left. What is the
fenix001 [56]

Answer:

3.44 cm

Step-by-step explanation:

When the pendulum is at its lowest point, the vertical length of the pendulum is L.

When the pendulum is at its highest point, the vertical length of the pendulum is  L cos θ.

So the height difference of the pendulum between its lowest and highest points is h = L − L cos θ.

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So the height is:

h = L − L cos θ

h = 18 − 18 cos 36°

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6 0
3 years ago
Find the surface area of a triangular pyramid with side of 6m, height of 5.2 m, and altitude of 7.2m
Alex_Xolod [135]

Answer:

6x5.2/2=15.6 and four sides so 15.6*4=62.4 and left with 7.2*6/2=21.6 and add u get 84

Step-by-step explanation:

5 0
4 years ago
Reflect (−4, 6)<br> in (a) the x-axis and (b) the y-axis.<br><br> X-axis=____<br> Y-axis=____
asambeis [7]

Reflecting around the x axis means to change the sign of the y coordinate.

Similarly, reflecting around the y axis means to change the sign of the x coordinate.

So, you have

(a) [/tex](-4,-6) [/tex]

(b) [/tex](4,6) [/tex]

4 0
3 years ago
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