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3 years ago

In each of these situations light refracts, except for one. Identify the case in which light is NOT refracted.

Mathematics

2 answers:

ipn [44]3 years ago

8 0

B) ...............................

Eva8 [605]3 years ago

3 0

B) sunlight travels through space - there is nothing to bounce off of until it hits an atmophere

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A rectangle has an area of 42 cm²; the length is 7 cm. Find its width.

liubo4ka [24]

You would have 6cm as the width because length times width = area

7 0

3 years ago

If you are going 200 miles per hour how much are you going per minute

Lapatulllka [165]

1 hour has 60 minutes.

Divide miles per hour by 60 to get miles per minute:

200 / 60 = 3.33 ( 3 1/3 ) miles per minute.

8 0

3 years ago

Read 2 more answers

I will give BRAINLIEST to the correct answer Find the measure of angle 6.

True [87]

Answer:

m∠6 = 116°

Step-by-step explanation:

first find x:

7x - 17 = 2x + 78

subtract 2x from both sides: 5x - 17 = 78

add 17 to both sides: 5x = 95

divide by 5: x = 19

plug x into 7x - 17

7(19) - 17 = 116

∠6 and 7x - 17 are vertical angles and therefore congruent, so m∠6 also = 116°

3 0

3 years ago

Sixty percent of the students at a certain school wear neither a ring nor a necklace. Twenty percent wear a ring and 30 percent

Reptile [31]

Answer:

0.4

Step-by-step explanation:

Given

60 % wear neither ring nor a necklace

20 % wear a ring

30 % wear necklace

This question can be Solved by using Venn diagram

If one person is choosen randomly among the given student the probability that this student is wearing a ring or necklace is

$P\left ( wear \ ring\ or \ necklace )+P\left ( neither\ ring\ or\ necklace)=1$

$P\left ( wear \ ring\ or\ necklace )=1-0.6=0.4$

The sum of probabilty is equal to 1 because it completes the set

Therefore the required probabilty is 0.4

7 0

3 years ago

Please help me with this

kaheart [24]

Answer:

Step-by-step explanation:

domain = {-7, 6, 1}

range = {-4,0}

6 0

3 years ago