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Yuliya22 [10]
3 years ago
8

You give tours on the Great Lakes and talk about points of interest. A lighthouse typically has 2 beacons that rotate together—b

ut not necessarily facing opposite directions. In that way, it can be a shorter time between the first and second flashes than between the second flash and the third flash (when the first beacon comes around for the second time). One way of identifying which lighthouse you are looking at is to find the ratio of the short time between flashes to the long time between flashes. If the beacons are set 120° apart along the rotation, as shown below, what is this ratio?
Mathematics
2 answers:
stiks02 [169]3 years ago
6 0

Answer:

i dont know

Step-by-step explanation:

Klio2033 [76]3 years ago
3 0

Answer:

great question

Step-by-step explanation:

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Eighty percent of the fans left the competition happy. If 800 fans left the competition unhappy, how many left happy ?
dezoksy [38]

Answer: 640

Step-by-step explanation:

3 0
3 years ago
Find the common ratio of the geometric sequence 9, -18, 36, ...
Anna35 [415]

Answer:

-2

Step-by-step explanation:

Each term is being multiplied by -2.

9(-2) → -18

-18(-2) → 36

6 0
3 years ago
If each quadrilateral below is a parallelogram,find the missing measures.
zhenek [66]

Answer:

Part 1) MN=31\ units

Part 2) KN=45\ units

Part 3) m∠K=61°

Part 4) m∠L=119°

Part 5) m∠M=61°

Step-by-step explanation:

we know that

In a parallelogram opposite angles and opposite sides are congruent and consecutive angles are supplementary

Part 1) Find the side MN

we know that

MN≅KL ----> by opposite sides

we have

KL=31\ units

therefore

MN=31\ units

Part 2) Find the side KN

we know that

KN≅LM ----> by opposite sides

we have

LM=45\ units

therefore

KN=45\ units

Part 3) Find the measure of angle K

we know that

m∠K+m∠N=180° ----> by consecutive interior angles

we have

m∠N=119°

substitute

m∠K+119°=180°

m∠K=180°-119°

m∠K=61°

Part 4) Find the measure of angle L

we know that

m∠L≅m∠N ----> by opposite angles

we have

m∠N=119°

therefore

m∠L=119°

Part 5) Find the measure of angle M

we know that

m∠M≅m∠K ----> by opposite angles

we have

m∠K=61°

therefore

m∠M=61°

7 0
3 years ago
Describe what your first step would be to solve the equation below : <br> 2 (x+7) = -4x + 14
Andrej [43]

Answer:

The first step to solve the equation below is to first distribute the 2 to (x+7)

Step-by-step explanation:

2 (x+7) = -4x + 14

2x + 14 = -4x + 14

3 0
2 years ago
Read 2 more answers
Joe's Burger Barn sold 42 hot dogs, 48 burgers, 60 cheeseburgers, and 54 fries. What is the ratio of fries to all items sold at
zepelin [54]
54•150,I think that’s the way to do it,let me know if I’m wrong.
8 0
3 years ago
Read 2 more answers
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