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grandymaker [24]
3 years ago
6

1. Find the circumference of a circle with a radius of 12 cm. Round decimal answer to the

Mathematics
2 answers:
Nana76 [90]3 years ago
5 0

Answer:

b. 75.40

Step-by-step explanation:

The circumference of a circle is the perimeter of the circle. To find the perimeter we would use the formula ⇒ 2 × π × r ⇔ or π × d ← where r is the radius and d is the diameter .

So lets substitute in the values

2 × π × r

Radius = 12

2 × π × 12 = 24 π = 75.3982236862

So the answer is b. 75.40

Wewaii [24]3 years ago
5 0

Answer:

b. 75.40

Step-by-step explanation:

Circumference = 2pi × r

= 2pi × 12

= 24pi

= 75.39822369

Nearest hundredth: 75.40 cm

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You have five gears meshed to each other running in a line. the first gear z=100, second gear z=50, third gear z=200, fourth gea
Julli [10]

Answer:

50 rpm clockwise

Step-by-step explanation:

100/50 × 50/200 × 200/150 × 150/200 = 0.5

In an odd number of gears, the first and last rotate inthe same direction.

100 rpm × 0.5 = 50 rpm

Answer: 50 rpm clockwise

6 0
2 years ago
FIRST PERSON TO ANSWER THIS CORRECTLY WILL BE MARKED BRAINIEST
erma4kov [3.2K]

Answer:

<em>m<ZXY - m<WXZ   = m<WXY   </em>

Step-by-step explanation:

given:

point Z is in the interior of <WXY creating XZ.

<em>if m<WXZ = 20 </em>

<em>  m<WXY = 100 </em>

find:

what would equation would you set up to find the missing angle measure?

solution:

<em>Since Z is interior of <WXY </em>

<em> m<ZXY - m<WXZ   = m<WXY </em>

<em><WXY =  100  - 20  = 80° </em>

therefore, the equation would be  <em>m<ZXY - m<WXZ   = m<WXY  </em>

5 0
3 years ago
a large container holds 5 gallons of water. it begins leaking at a constant rate. after 15 minutes, the container has 2 gallons
Scrat [10]

Answer:

1 gallon ever 5 minutes here is the fraction form if you need it for a graph 3/15 or 1/5

Step-by-step explanation:

if there is 3 gallons gone and it is constant then on gallon goes every 5 minutes 15/3=5

8 0
3 years ago
Please help I’m having trouble with this question!
mezya [45]

ok thanks for letting me know you need help

4 0
3 years ago
To which graph does the point (−1, 3) belong? y ≥ 2x + 6 y ≥ 3x − 1 y ≥ −x + 3 y ≥ −2x + 5
Anna35 [415]
Well first find the slope of the point
y=mx+b  y=-1x+3
slope = -1
then put the problem in point slope form y - y1 = m (x-x1)
y + 3 = -1 (x+1) then solve for y=mx+b again
so y> 2x + 6 is the answer
4 0
3 years ago
Read 2 more answers
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