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Kamila [148]
3 years ago
15

0.5 to the second power x (20-2 to the third power x 3)x(2/5x25)

Mathematics
1 answer:
lesantik [10]3 years ago
4 0

Answer:

489

Step-by-step explanation:

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There is a stack of books that is 12 4/9 inches tall. If we take a book off the stack that is 2/9 inches thick. How high is the
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Answer: It would be 12 2/9

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7 0
3 years ago
Unit 2 Exam
vesna_86 [32]

Answer:

6,656 rabbits

Step-by-step explanation:

Population of rabbits = 26

Population doubles every 30 days

how many rabbits will be on the farm after 240 days?

t = 240 days / 30 days

= 8

Future Amount = 26(2)^t

=26(2)^8

= 26(256)

= 6,656

Therefore, the population of rabbits on the farm after 240 days is 6,656

7 0
3 years ago
The bisector of one of the angles of a rectangle also bisects a side of the rectangle. Find the perimeter of the rectangle if yo
enot [183]
The answer is 60... Draw a rectangle. Now draw a line that splits the bottom left corner in two but also cuts the long side on the top in half. A rectangle has 4 right angles right? So the bisector, or a line that splits something in half, splits the right angle, a 90 degree angle, in half making it a 45 degree angle. Did you notice the bisector made a triangle?
A triangle has angle measures that always add up to 180 degrees. So you know that triangle has two angles: a 45 and 90 degree angle... Add those up and you get 135. 180-135 gives you the other angle: 45 degrees...
So you know that the triangle is a 45-45-90 triangle... The two legs or side lengths that I marked on the triangle with a small line are congruent in a 45-45-90 triangle and since the short leg of the rectangle is equal to 10cm and the split in half long side of the rectangle is also 10 which you double to 20. 20+20+10+10=60.
5 0
3 years ago
can somebody please help me i'm struggling with my math homework, heres one of the questions but i have many more & im can d
Rufina [12.5K]

Answer:

the slope of line a is 3 and the slope of line b is -1. the slope of line a is greater than the slope of line b

7 0
2 years ago
Which expression is equivalent to 6( 8n) - 8?​
Crazy boy [7]

Answer:

48n-48

Step-by-step explanation:

I dont know the options but you just multiply

6 times 8n is 48n

6 times -8 is -48

3 0
3 years ago
Read 2 more answers
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