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3 years ago

In the given ∆ABC, DE || BC. What is the value of x?

Mathematics

1 answer:

suter [353]3 years ago

7 0

Answer:

I think B is the correct answer, sorry im not very good with math tho.

Step-by-step explanation:

Sorry if its incorrect

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Please help brainliest

-Dominant- [34]

Answer:

3y-1 = 2y+7

y-1 = 7

y = 8

5(8) + 6 = 5x - 9

46 = 5x - 9

55 = 5x

x = 11

3 0

3 years ago

the first five terms of an arithmetic sequence are -1,3,7,11,15. write down, in terms of n, an expression for the nth term in th

Ksivusya [100]

$-1~~,~~\stackrel{-1+4}{3}~~,~~\stackrel{3+4}{7}~~,~~\stackrel{7+4}{11}~~,~~\stackrel{11+4}{15}\qquad \qquad \stackrel{\textit{common difference}}{d = 4} \\\\[-0.35em] ~\dotfill\\\\ n^{th}\textit{ term of an arithmetic sequence} \\\\ a_n=a_1+(n-1)d\qquad \begin{cases} a_n=n^{th}\ term\\ n=\textit{term position}\\ a_1=\stackrel{\textit{first term}}{-1}\\ d=\stackrel{\textit{common difference}}{4} \end{cases}\implies a_n=-1+(n-1)4 \\\\\\ a_n=-1+4n-4\implies a_n=4n-5$

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3 years ago

A family pays $22 each month for internet access. Next month, the cost will

lutik1710 [3]

Answer:

24.2$

Step-by-step explanation:

10％ are 0.1 as a decimal

22$ are actually 100％ so its a 1.0 as a decimal

so the new price is 110％, 1.1 as a decimal

22$*1.1＝24.2$

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3 years ago

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Andreas93 [3]

Answer:

28.26 units³

Step-by-step explanation:

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2 years ago

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Tema [17]

Answer:

Step-by-step explanation:

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