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Tom [10]
3 years ago
7

Simplify 2x + 1 - x +2.​

Mathematics
1 answer:
Pavlova-9 [17]3 years ago
7 0

Answer:

the answer is x + 3

Step-by-step explanation:

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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
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3 years ago
What is -1/8 times 16 2/3?.
antiseptic1488 [7]
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3 years ago
Ron is taking an inventory at his store. Based on previous sales, he predicted sales of 25 folders and 230 erasers. He actually
Klio2033 [76]
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Big Big School has 25,000 students. Each student takes 2 classes a day and each teacher teaches 4 classes. Each class has 10 stu
mojhsa [17]

Answer: 1,250

Step-by-step explanation:

Given: The total number of students in the school= 25,000

Since each class has 10 students , therefore, the number of classes in the school= \frac{25000}{10}=2500

Also, Each student takes 2 classes a day, thus the number of classes taken by total teachers in a day = 2\times2500=5000

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Then the number of teachers in the school =\frac{5000}{4}=1250

Hence, the number of teachers are at  Big Big School = 1,250

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3 years ago
The values of a, b and c for the equation 8x2 - 2x = 1 are:
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The values are B

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