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Margaret [11]
3 years ago
15

PLEASE HELP ONLY 4 QUESTIONS!! WILL GET BRAINIEST!!

Mathematics
1 answer:
Snowcat [4.5K]3 years ago
3 0
Ok 
7.12^2 = 24in^2
8.put 400 for each x and see what is close to the nearest tenth
9.u reverse it 6-9=? then square root ?
and 10. u do the same as nine and 1 more number to subtract

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arlik [135]
155 = 2x -15
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3 years ago
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What is the result of subtracting the second equation from the first?
Elina [12.6K]

Answer:

-9

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Xin Used 20 yards of fencing to build the walls of a square a chicken coop. Used 20 yards of fencing to build the walls of a squ
Gnoma [55]

Answer:

Equation: 20=4x or x=\frac{20}{4}

Solution: x=5

Step-by-step explanation:

The formula that is used to calculate the perimeter of  a square is:

P=4s

Where "s" is the side lenght the square.

Knowing that Xin used  20 yards of fencing to build the walls of a square chicken coop (in which the lenght in yards of each wall is represented with "x"), you can identify that:

P=20\\\\s=x

Then, you can susbtitute values into the formula P=4s:

20=4x

Finally, you must solve for "x" in order to find its value.

This is:

\frac{20}{4}=x\\\\x=5

6 0
3 years ago
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The answer to 18m + 27n would be
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Canada has a population that is about 1/10 as large as United States. If Canada population is about 32 million, about how many p
Sladkaya [172]
Do 32,000,000 divided by 10 to get your answer.
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