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bezimeni [28]
3 years ago
9

Please help 12 points available

Mathematics
2 answers:
kirill115 [55]3 years ago
3 0
5x6= 30
3x3=9 
30-9= 21 square meter. 
Rudik [331]3 years ago
3 0
Hello there, fellow human being!

So, I am going to divide the cement area into two different parts.
First part: 5 * 3 = 15 m
Second part: 2 * 3 = 6 m
15 + 6 = 21 m

So, the cement area is 21 m.

Hope this helped!
~Ruru 
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A rectangle hale card has a length of 3/10 and a width of 4/5 find the perimeter
postnew [5]

Answer:

22/10 or 2 and 1/5

Step-by-step explanation:

To find the perimeter, add all sides together. Since it's a rectangle, the other sides are the same measurement as the ones given. Add 3/10, 3/10, 4/5, and 4/5 together. To do this, find a common denominator. The lowest common denominator is 10 so multiply the 4/5 by 2/2 to get the denominator to be 10. Now, add 3/10, 3/10, 8/10, and 8/10. It adds up to 22/10 but if you don't want an improper fraction, simplify it to 2 and 1/5.

4 0
3 years ago
4. Two more than a certain number is 15 less<br> 7<br> 8<br> than the product of and the number.
Serggg [28]

<u>Answer</u><u>:</u>

Equation: x + 2 = 7/8x - 15

Solution: x = -136

<u>Explanation</u><u>:</u>

x + 2 = 7/8x - 15

2 + 15 = 7/8x - x

17 = 7/8x - 8/8x

17 = -1/8x

17 × -8 = x

-136 = x

4 0
2 years ago
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3 years ago
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3 years ago
What is 1/2p plus 7 = 3/4p plus 9
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Your answer is P= -8. Hope this helps.

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3 years ago
Read 2 more answers
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