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Inessa05 [86]
2 years ago
8

Simplify:

Mathematics
1 answer:
svetlana [45]2 years ago
7 0

Answer:

−(7p+6)−2(−1−2p) = - 3p - 4

Step-by-step explanation:

−(7p+6)−2(−1−2p) = -7p - 6 + 2 + 4p

                            = (-7p + 4p) + (2 - 6)

                            = -(7p - 4p) - (6 - 2)

                           = - 3p - 4

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Ernesto plans to build a pen for his pet iguana. Think about these two different questions. What is the area of the largest rect
Allisa [31]
The area of the rectangular pen is 10,000 m² and the area of the circular pen is 12,738.95 m².

For the rectangular pen, we want the sides to be congruent.  To minimize perimeter and maximize area, the figure needs to be equilateral.

400/4 = 100 m for each side

This means that the area is 100(100) = 10,000 m².

If the pen is circular, this means the circumference is 400 m.  Circumference is given by the formula C=πd:

400 = 3.14d

Divide both sides by 3.14:
400/3.14 = 3.14d/3.14
127.389 = d

The radius is half of the diameter:
r = 127.389/2 = 63.6945

The area of the circle is given by A=πr²:

A=3.14(63.6945)² = 12738.9465 ≈ 12738.95 m²
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3 years ago
Last week Isaiah and his roommates ate 3/8 of a carton of yogurt, and this week they ate
Sergio [31]

Answer: 5/24

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6 0
3 years ago
Is 3x^2 + 2x + 10 = 0 written in standard form?
Nataly_w [17]

Answer:

in the US, yes

in some other English-speaking countries, no

Step-by-step explanation:

"Standard form" depends on where you live. In the UK, the "standard form" of a quadratic equation is what is called "vertex form" in the US. That form is ...

3(x +1/3)^2 +29/3 = 0

In the US, the equation you show is in standard form.

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3 years ago
Find the area of a circle with a diameter of 6.
vaieri [72.5K]
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4 0
3 years ago
Helppppppppppppp only 12 minutes left
rusak2 [61]

Answer:

2/6

Step-by-step explanation:

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6 0
3 years ago
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