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Anvisha [2.4K]
3 years ago
11

42 square feet to square inches

Mathematics
2 answers:
dolphi86 [110]3 years ago
7 0

Answer:

6048 square inches

Step-by-step explanation:

Andre45 [30]3 years ago
4 0

Answer:

6048 inches

Step-by-step explanation:

12x48

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320 messages

Step-by-step explanation:

20 messages per dollar,

20 x 16 equals 320

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The temperature in minneapolis changed from -7 degrees at 6 am to 7 degrees Fahrenheit at noon. How much did the temperature inc
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There is a closed carton of eggs in Mai's refrigerator. The carton contains e eggs and it can hold 12 eggs. What does the inequa
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That the number of eggs (e) in the carton is less than 12

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7 0
2 years ago
I need help with this?
antiseptic1488 [7]
1.) 58

2.) 205

3.) 134

4.) 150

5.) 21

6.) 670

7.) 33

8.) 50/7 or 7 1/7

9.) 42

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4 0
3 years ago
What are the number of integral solutions of the equation 2x+2y+z=20 such that x>=0 , y>=0 , z>=0?
zaharov [31]
2x+2y+z=20\\
z=\dfrac{20}{2x+2y}\\
z=\dfrac{10}{x+y}

Now, for z to be an integer, the sum x+y must be a divisor of 10. 
It has to be a positive divisor since z≥0. Also x≠y.

x+y=1 \\
x=1-y\\

x≥0 and y≥0 so y can be equal to either 0 or 1. There are 2 solution in this case.

x+y=2\\
x=2-y\\
In this case, y can be equal to 0,1, or 2, but for y=1 ⇒ x=1, so there are two solutions.

x+y=5\\
x=5-y
y can be 0,1,2,3,4 or 5 - 6 solutions

x+y=10\\
x=10-y
y can be 0,1,2,3,4,5,6,7,8,9,10, but for y=5 ⇒ x=5, so 10 solutions.

2+2+6+10=20 solutions in total.
6 0
3 years ago
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