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cluponka [151]
2 years ago
15

Judy is trying to stack books on a shelf that is 20 inches tall. If each book is 4/5 inches thick, how many

Mathematics
1 answer:
Leviafan [203]2 years ago
5 0
49 because she can stack more ty
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the parking lot has five rows there are 10 parking spaces in the truck how many parking spaces are in the lot
Anika [276]
There are 50 parking spaces because 10×5=50
4 0
3 years ago
A bag contains 3 blue marbles, 1 green marble, and 4 orange marbles. A marble is pulled out of the bag at random. The probabilit
Ainat [17]

Answer:

3\49857

Step-by-step explanation:

7 0
2 years ago
Two numbers have a difference of 0.7 and a sum of 1 . What are the numbers
Crank
First number is f
Second number is s
f-s=.7
f+s=1
Using elimination, you could solve this.
-1(f-s=.7); eliminate the first number.
-f+s= -.7
f+s=1
2s=.3
s=.15
Now find the second number by plugging it in:
.15+s=1
1-.15=.85
The numbers are .15 and .85.


5 0
3 years ago
What is the mode of 18 4 20 25 20
goblinko [34]

Answer:20

Step-by-step explanation:

Mode is whatever number in the sequence appears the most!

3 0
2 years ago
Read 2 more answers
An orchard has 651 orange trees. The number of rows exceeds the number of trees per row by 10. How many trees are there in a row
natima [27]

Answer:

The number of trees in each row is  21.

Step-by-step explanation:

Let us assume the number of trees in each row  = m

So, the number of rows in the orchard = Number of trees in each row + 10

or, total number of trees in each row = (10 +m)

Now, Total number of Trees = Number of Rows x Number of trees in 1 row

⇒ 651  = m (m + 10)

651 = m^2 + 10m\\\implies  m^2 + 10m - 651 =0\\or,   m^2 + 31m  21m - 651 =0\\or, m(m +31) -21(m+31) =0\\\implies (m +31) (m-21) = 0

⇒ (m +31) = 0, or (m-21) = 0

⇒ m= -31, or m = 21

Now, as m = The number of trees in each row, so m ≠ -31

So, m =  21

Hence, the number of trees in each row is m = 21.

8 0
3 years ago
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