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marysya [2.9K]
3 years ago
15

It’s just 2.a answer please

Mathematics
1 answer:
Inessa05 [86]3 years ago
8 0
You have to convert the 30 inches into you know what and add them all together
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In the barn, there are horses and chickens. There are 11 heads and 32 legs altogether. How many chickens are there?
Masteriza [31]

Answer:

6 Chickens

Step-by-step explanation:

Let  H represent the number of horses and  C represent the number of chickens. Since there are 32 legs altogether this means that on equation to use would be given by:

2C  +  4 H  =  32     (Eq. 1)

Another equation can be made from the fact that there are 11 heads or 11 animals altogether which can be written as:

C  +  H  =  11    (Eq. 2)

From Eq. 2, solve for the number of chickens:

C  +  H  =  11

C   =  11  - H    (Eq. 3)

Substituting Eq. 3 in Eq. 1, the number of horses can be determined:

2 C  +  4 H  =  32

2 ( 11  −  H )  +  4 H  =  32

22   −  2 H  +  4 H  =  32

2H  =  32  − 22

2 H  = 10

H = 5               Eq.4

Putting Eq.4 in Eq.1

2C + 4*5 =  32

2C = 32 - 20

2C = 12

C = 12/2

C = 6

8 0
2 years ago
Pleas help me with my question​
sdas [7]

Answer:

40

Step-by-step explanation:

count the blocks

4 0
3 years ago
What number is 40% of 720
pentagon [3]

Answer:

288

Step-by-step explanation:

Hope it helps :>

8 0
2 years ago
Read 2 more answers
The length of a rectangle is 5 feet and the width is 8 feet.what is the area of the rectangle​
aliya0001 [1]

Answer:

40 ft squared

Step-by-step explanation:

To calculate area of a rectangle, you use the formula length times width, or base times height.

5 x 8 = 40 feet squared

5 0
3 years ago
Forty-two less than a number z
Tasya [4]
42 less then a number z....

z - 42 <== ur expression
4 0
2 years ago
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