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zzz [600]
3 years ago
9

What number should be added on both sides of the equation to complete the square?x^2-10x=7

Mathematics
1 answer:
ArbitrLikvidat [17]3 years ago
3 0
<span>What number should be added on both sides of the equation to complete the square is (-10/2)^2 or (10/2)^2 or 5^2 or 25.</span>
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Please help me the picture is above I really need an answer please, I’ll mark as brainliest
sergeinik [125]

Answer:

Option d) The rocket was above 300 feet for approximately 2 seconds.

Explanation:

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3 years ago
Choose the best answer for this length.
Nastasia [14]

Answer:

9 inches

Step-by-step explanation:

5 0
3 years ago
What radius of a circle is required to inscribe a regular hexagon with an area of 210.44 cm2 and an apothem of 7.794 cm
alekssr [168]
We know that

[area of a regular hexagon]=6*[area of one <span>equilateral triangle]
</span>210.44=6*[area of one equilateral triangle]
[area of one equilateral triangle]=210.44/6-----> 35.07 cm²

[area of one equilateral triangle]=b*h/2
h=7.794 cm
b=2*area/h------> b=2*35.07/7.794------>b= 9 cm

the length side of a regular hexagon is 9 cm
<span>applying the Pythagorean theorem
</span>r²=h²+(b/2)²------>r²=7.794²+(4.5)²------> r²=81--------> r=9 cm

<span>this last step was not necessary because the radius is equal to the hexagon side------> (remember the equilateral triangles)
</span>
the answer is
the radius is 9 cm
8 0
3 years ago
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svetlana [45]
The student went wrong in step three.  the solutions should have been -3 and 5
8 0
3 years ago
What is the distance between (5,2) and (1,-3) on a coordinate plane?
Citrus2011 [14]
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6 0
3 years ago
Read 2 more answers
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