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earnstyle [38]
3 years ago
5

The quadrilateral shown is a rectangle. What is m∠MJN? A) 24° B) 31° C) 66° D) 90°

Mathematics
1 answer:
Marta_Voda [28]3 years ago
7 0

Step-by-step explanation:

all the angles of the rectangle are right angle

therefore, angle MJK=90°

∠MJN+∠KJN=90°

∠MJN = (90-24)° = 66°

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Find the distance between the points on the graph.
allsm [11]

Answer:

√41

Step-by-step explanation:

Use the distance formula.

(3, 1) and (-2,-3)

The distance between 3 and -2 is 5. 5 squared is 25.

The distance between 1 and -3 is 4. 4 squared is 16.

25+16 = 41

the root of 41 is √41.

5 0
3 years ago
Which is a unit rate?
AveGali [126]
6 hours: 1 book

A unit rate is expressed as a quantity of one and shows how much is achieved in 1. In this case you get 6 hours from 1 book.

Hope this helps
4 0
4 years ago
Read 2 more answers
What is the probability that a stamp chosen at random is a commemorative or a special delivery stamp?
Ksivusya [100]

Answer: Option 'D' is correct.

Step-by-step explanation:

Since we have given that

P(\text{ getting a commemorative stamp})=0.16

and

P(\text{getting a special delivery stamp})=0.18

So, we need to find,

P(\text{getting either a commemorative or a special delivery stamp})\\=P(\text{getting a commemorative stamp})+P({\text{ getting a special delivery stamp})

(∵they are independent events .)

P(\text{getting either a commemorative or a special delivery stamp})\\=0.16+0.18\\=0.34

So, option 'D' is correct.

3 0
3 years ago
Amy can paint a room in 12 hours. Alicia can paint the same room in 16 hours. How long does it take for both Amy and Alicia to p
Simora [160]
Well 12 is 3\4 of 16 so honestly it would take the 8 hours working together.

As far as formula if I had to guess it would look like.. 12Amy(Ay)- 16Alicia(Aa) = 4 hours minus 4 from Amy would be 8hours.

in fraction form might make more sense. 3\4 - 4\4 = 1/4 minus that from Amy and she'll finish together with Alicia 4 hours quicker being 8hours.
3 0
3 years ago
A marine biologist wants to test the effect of water temperature on the length of time sea otters can remain under water during
atroni [7]

Answer:

0.4216

Step-by-step explanation:

from the data given The estimate of the standard deviation of the sampling distribution of b,

( The slope of the sample regression line for the relationship )

= 0.4216  (  i.e. intersection of SE coef and water temperature )

Testing the effect of water temperature on the length of time sea otters can remain

5 0
3 years ago
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