3 years ago

PLEASE HELP

Mathematics

1 answer:

Misha Larkins [42]3 years ago

4 0

Answer:

angle D should be equal to angle C

Step-by-step explanation:

i think this is the answer you need but i'm not sure

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William says that 15 years from now, his age will be 3 times his age 5 years ago. if x represents William's present age, what eq

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Answer:

x + 15 = 3 (x - 5)

William’s current age: 15. Years old

Step-by-step explanation:

x + 15 = 3(x-5)

x + 15 = 3x - 15

15 + 15 = 3x - x

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x = 15

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Find the sum of a 22-term arithmetic sequence, where the first term is 7 and the last term is 240.

nikdorinn [45]

Answer:

The sum of the arithmetic series is 2717.

Step-by-step explanation:

The sum of an arithmetic sequence is given by:

$\displaystyle S = \frac{k}{2}\left( a + x_k\right)$

Where k is the number of terms, a is the initial term, and x_k is the last term.

There are 22 terms, the first term is 7, and the last term is 240. Hence, the sum is:

$\displaystyle \begin{aligned} S &= \frac{(22)}{2}\left((7) + (240)} \\ \\ &= 11(247) \\ \\ &= 2717\end{aligned}$

In conclusion, the sum of the arithmetic series is 2717.

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Using the GCF, what is the factored form of 24v – 84?

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Answer:

12 (2 v - 7)

Step-by-step explanation:

Factor the following:

24 v - 84

Hint: | Factor out the greatest common divisor of the coefficients of 24 v - 84.

Factor 12 out of 24 v - 84:

Answer: 12 (2 v - 7)

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