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3 years ago

How long will the spring be if a 2 pound weight is hung on it? Will the length double if you double the weight?

2 answers:

8 0

Logically if you double weight on something it means that you are adding the exact same weight as the first object to the same thing to make it twice the weight as the original, so yes... the weight will double if the length is doubled

DiKsa [7]3 years ago

4 0

Answer:

---------------------------------------------------------------------------------------------------------20

Step-by-step explanation:

multiply

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A study by a reputable research organization found that when presented with prints from the same individual, a fingerprint expe

Llana [10]

Answer:

a. 0.6899

b. 0.1642

Step-by-step explanation:

a. Given the probability of success is 0.94 for an expert and that the number of pairs, n=6:

-Each attempt is independent and therefore the probability of the events is calculated as:

$P(A \ and \B )=P(A)\times P(B)\\\\P(6)=0.94\times0.94\times0.94\times0.94\times0.94\times0.94\\\\=0.6899$

Hence, the probability of correctly identifying the 6 matches is 0.6899

b.Given the probability of success is 0.74 for a novice and that the number of pairs, n=6:

-Each attempt is independent and therefore the probability of the events is calculated as:

$P(A \ and \B )=P(A)\times P(B)\\\\P(6)=0.74\times0.74\times0.74\times0.74\times0.74\times0.74\\\\=0.1642$

#Hence, the probability of correctly identifying the 6 matches is 0.1642

*I have used the sample size of 6(due to conflicting info/question size).

7 0

3 years ago

a fan has five equally spaced blades. suppose you line up two fans directly on top of each other. What is the least number of de

Irina18 [472]

Answer:

72°

Step-by-step explanation:

There are 5 blades, equally spaced. So the angle between adjacent blades is 360° / 5 = 72°. So you can rotate the fan 72° and the blades will align again.

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3 years ago

Use the guess and check method to solve for the equation : 4(x+2)+2=14 please help need answer

TiliK225 [7]

4(x+2)+2=14

4x+8+2=14

4x+10=14

Subtract 10 from both sides

4x=4

Divide by 4 on both sides

x=1

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3 years ago

How do you do this problem

Sliva [168]

Answer:

Step-by-step explanation:

sec= x

cross multiply

60 mb x 2

120 mb/29 sec

6 0

3 years ago

Julio has $40.00 to rent bikes for himself and a friend for 5 hours. Each bike

tia_tia [17]

Step-by-step explanation: if its asking how much money he spends in total you multiply

$3.25 x 5 = 16.25

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3 years ago

Read 2 more answers