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ZanzabumX [31]
3 years ago
7

Select all the expressions that represent the large rectangle's total area.

Mathematics
2 answers:
ArbitrLikvidat [17]3 years ago
6 0
B, C and D are all correct
tangare [24]3 years ago
5 0
B, C, D are the correct answers good luck
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Classrooms on one side of the science building are all numbered with consecutive odd integers. If the first​ room, the room with
liubo4ka [24]

Answer:

The sum of the first five classroom numbers in a row is 5k + 20

Step-by-step explanation:

Since the smallest classroom​ number on the side of the building is numbered k​ and each consecutive odd integer is separated by a difference of  

2.

Therefore:  

k is the first class room.

k +  2  is the second class room.

k +  4  is the third class room.

k + 6 is the third class room.

k + 8 is the fifth class room.

The sum of the five consecutive class rooms are given as:

k + (k + 2) + (k + 4) + (k + 6) + (k + 8)

collecting alike terms we get

=  k + k + k + k + k + 2 + 4 + 6 + 8

= 5k + 20

Therefore, The sum of the first five classroom numbers in a row is 5k + 20.

8 0
3 years ago
A coin is pulled from a jar and then put back in the jar. If 40 coins are pulled, enter the number of times a nickel is expected
neonofarm [45]

Answer:

20 times

Step-by-step explanation:

40 divided by 2

4 0
3 years ago
The number 16 has two square roots: 4 and
maw [93]

Answer:

4 and -4 are both the square roots of 16

Step-by-step explanation:

3 0
3 years ago
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Which value is the solution of the equation 5y-4x=-3
Lelechka [254]
I hope this helps you

7 0
3 years ago
A shelf takes 3 1 /2 ft. of lumber. How many shelves can be made from 24 1 /2
levacccp [35]
Answer is 7

hope it helps

24 1/2 = 24.5
3 1/2 = 3.5

24.5/3.5 = 7
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3 years ago
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