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2 years ago

7. In a regular polygon, adjacent interior and exterior angles are congruent

Mathematics

1 answer:

Aleks [24]2 years ago

7 0

Answer:

This would be true for a rectangle and a square.

Step-by-step explanation:

Rectangles and square have 90 angles. The exterior angles would also equal 90 because 90 + 90 is 180. An interior angle and the exterior angle are supplements (add together to 180).

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What is the integral x(2x+1)^0.5 dx?

Cerrena [4.2K]

$\int {x \sqrt{2x+1} } \, dx$ We will use u-substitution: u=2x +1 , du = 2dx, $dx= \frac{du}{2}, x= \frac{u-1}{2}$ ...= $\frac{1}{4} \int {(u-1)} \sqrt{u} \, du = \frac{1}{4} \int {u^{3/2} -u^{1/2} } \, du$ =
= $\frac{1}{4} ( \frac{u^{5/2} }{ \frac{5}{2} }- \frac{u^{3/2} }{ \frac{3}{2} } ) =$ = $\frac{1}{2} \frac{3u^{5/2} -5u^{3/2} }{15}=$
= $\frac{1}{30} u^{3/2} (3u-5)$ =
= $\frac{1}{30} (2x+1)^{3/2}(6x-2)=$
= $\frac{1}{15} (2x+1)^{2/3}(3x-1) +C$

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4 years ago

Cups are sold in packs and in boxes. There are 12 cups in each pack. There are 18 cups in each box.

valina [46]

Answer:

12p * 18b is the equation

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4 years ago

Read 2 more answers

What conjecture can you make about the sum of the first 38 positive odd numbers?

Gelneren [198K]

Answer:c

Step-by-step explanation:

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3 years ago

Keisha works as a tutor for $13 an hour and as a waitress for $9 an hour. This month, she worked a combined total of 101 hours a

MrRa [10]

Answer:

Keisha got $2,222 that month

Step-by-step explanation:

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3 years ago

Round 725,390 to da nearest thousand

Komok [63]

Answer:

725,000

Step-by-step explanation:

The number to the right of 5 is 3, it's lower than five so your thousand is going to stay the same number. If your hundreds place is greater than 5, then it would be rounded to 726,000.

4 0

4 years ago