Use the graph to calculate the area of the arrow.

Mathematics

1 answer:

seropon [69]3 years ago

6 0

Answer: 67.5

To get this answer, you can break up the arrow into a rectangle on the left and a triangle on the right. The rectangle has a length and width of 7 and 5, so the area is 7*5 = 35. The triangle has an area of 32.5 since base*height/2 = 13*5/2 = 65/2 = 32.5

Add up those two areas to get: 35+32.5 = 67.5

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There are 20 alligators in the swamp. Each year, the number of alligators increases by 25%. There are 25 crocodiles in the swamp

Genrish500 [490]

A)

A=20(1.25^t)

C=25+10t

b)

A(4)=20(1.25^4)≈48.82≈49 alligators to nearest whole alligator

C(4)=25+10(4)=65 crocodiles.

c)

20(1.25^t)=25+10t

1.25^t=1.25+0.5t

t≈7

4 0

3 years ago

Help....................

Romashka-Z-Leto [24]

Answer:

The interquartile range is 50.

Step-by-step explanation:

To find our answer we have to first quartile 1 and quartile 3 are equal too. When we look at the plot quartile 1 is equal to 20, quartile 3 is equal to 70 because it is in between 60 and 80. Now to find the interquartile range we will subtract 70 from 20 and we get 50. Therefore, 50 is our answer.