2 years ago

Find the 30th term of the following sequence. 2, 8, 14, 20, ...

Mathematics

1 answer:

babunello [35]2 years ago

5 0

I think the answer is 176

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Here’s another one free 50 points and brainiest, first come first serve! 4x+5-10+3x=57

GarryVolchara [31]

So we have to simplify this equation:
4x+5-10+3x=57
Add like terms:
7x-5=57
Then add 5 to both sides:
7x=62
x=62/7

3 0

2 years ago

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A tennis tournament has 2n contestants. We want to pair them up for the first round of singles matches. Show that the number of

ddd [48]

There are

$\dbinom{2n}2 = \dfrac{(2n)!}{2! (2n-2)!}$

ways of pairing up any 2 members from the pool of $2n$ contestants. Note that

$(2n)! = 1\times2\times3\times4\times\cdots\times(2n-2)\times(2n-1)\times(2n) = (2n-2)! \times(2n-1) \times(2n)$

so that

$\dbinom{2n}2 = \dfrac{(2n)\times(2n-1)\times(2n-2)!}{2! (2n-2)!} = \boxed{n(2n-1)}$

4 0

1 year ago

Simplify each equation, then solve. 1) log 2 128=x

NikAS [45]

$\log _{ 2 }{ 128 } =x\\ \\ \log _{ 2 }{ \left( { 2 }^{ 7 } \right) } =x\\ \\ 7\cdot \log _{ 2 }{ 2 } =x$

$\\ \\ 7\cdot 1=x\\ \\ \therefore \quad x=7$

4 0

2 years ago

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If the measurement of Angle 6 = 50 degrees, then the measurement of Angle 3 = 50 degrees

olga_2 [115]

Answer:

True

Step-by-step explanation:

angle 3 and 6 are alternate angles.

alternate angles have the following characteristics:

1. they are inside the parallel lines

2. they are on opposite sides of the transversal

3. they are EQUAL

another example of alternate angles is angle 4 and angle 5

4 0

2 years ago

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Explain: 10 to the 3rd power

irina [24]

10x10x10 which is 1000 have a great day

7 0

2 years ago

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