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Leokris [45]
3 years ago
9

The type of lens that spreads out parallel light is a

Physics
1 answer:
ohaa [14]3 years ago
7 0

the answer is concave lens

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Two processes of plant reproduction are described below.
alex41 [277]

Answer:

Process 1

Explanation:

Bees help move the pollen from flower to flower

5 0
3 years ago
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Assume that the weights of quarters are normally distributed with a mean of 5.67 g and a standard deviation 0.070 g. A vending m
Igoryamba

Answer:

The percentage of legal quarters that will be rejected is 1.954 %.

Explanation:

Here we are required to find

P(X<5.48 or X>5.82)

We have μ = 5.67 and  σ = 0.07 where the range is between 5.48 and 5.82 we each z-score given by

z =\frac{x-\mu}{\sigma}

Therefore for 5.48 we have z_{5.48} = \frac{5.48 -5.67}{0.07} = -2.714

and for 5.82 we have   z_{5.82} = \frac{5.82 -5.67}{0.07} = 2.143

Therefore we have the area of interest on the normal distribution chart given by

P(Z<-2.714) + P(Z >  2.143) =  P(Z<-2.714) + (1 - P(Z <  2.143))

+  0.00336 + 1 - 0.98382 = 0.01954

= 0.01954 × 100 = 1.954 %

Therefore 1.954 percentage of legal quarters will be rejected.

3 0
3 years ago
Which of the following is a compound?<br><br> A)oxygen<br> B)water<br> C)nitrogen<br> D)air
kozerog [31]
The Answer is A. oxygen
6 0
3 years ago
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When do things move faster? Day or night?
Elis [28]

Answer:night

Explanation:At night , the air is denser due to humidity (obviously nights are cooler). sound requires medium to travel and so DENSER the medium,FASTER the sound travels. Humid air is denser than warmer air as in day.

5 0
4 years ago
What is the mass of an object if a force of 34 N produces an acceleration of 4 m/s/s?
antoniya [11.8K]
Use newton's second law, F = ma.
Force is 34 N and a is 4 m/s/s
34 = m(4), solve for m.
34/4 = 8.5 g
8 0
3 years ago
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