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Alexandra [31]
3 years ago
12

Analyze the diagram below and complete the instructions that follow.

Mathematics
1 answer:
Phantasy [73]3 years ago
3 0

Answer:

Option (B)

Step-by-step explanation:

From the figure attached,

ΔBCD and ΔACE are the similar triangles.

Therefore, by the property of similar triangles, corresponding sides of these similar triangles will be proportional.

\frac{AC}{BC}= \frac{EC}{DC}

\frac{AB+BC}{BC}= \frac{ED+DC}{DC}

\frac{AB+6}{6}= \frac{24+8}{8}

\frac{AB+6}{6}= \frac{32}{8}

\frac{AB+6}{6}=4

AB + 6 = 24

AB = 18

Option (B) will be the answer.

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Alexander is a stockbroker. He earns 14% commission each week. Last​ week, he sold ​$5,400 worth of stocks. How much did he make
Vlada [557]

Answer:

In that one week, his commision was $896, over all 52 weeks, he made $46592

Step-by-step explanation:

So, he makes 14% commision on any stock he sells. This week, he sold $6,400 worth of stocks, and, hes going to make 14% on it. So, take 6400 and divide that by 14%, and what do you get? $896! So, he made $896 that week. Now, say he made that amount EVERY WEEK. so, all you have to do is know how many weeks are in a year (52) and multiply that by 896, which gives you 46592.

5 0
3 years ago
Find the quotient. <br><br> 2x-3/x divided by 7/x^2
BlackZzzverrR [31]
\dfrac{2x-3}{x}:\dfrac{7}{x^2}=\dfrac{2x-3}{x}\cdot\dfrac{x^2}{7}=\dfrac{2x-3}{1}\cdot\dfrac{x}{7}\\\\=\dfrac{(2x-3)\cdot x}{1\cdot7}=\dfrac{2x^2-3x}{7}
4 0
3 years ago
Read 2 more answers
Solve for x. Enter your answer below as an improper fraction in lowest terms,
ICE Princess25 [194]

Answer:

x = \frac{83}{36}

Step-by-step explanation:

Given

x - 2 \frac{1}{4} = \frac{1}{18} ( change mixed number to improper fraction )

x - \frac{9}{4} = \frac{1}{18}

Multiply through by 36 ( the LCM of 4 and 18 ) to clear the fractions

36x - 81 = 2 ( add 81 to both sides )

36x = 83 ( divide both sides by 36 )

x = \frac{83}{36}

7 0
3 years ago
EASY MATH QUESTION FREE POINYS
Yakvenalex [24]

Answer: x = 17

Step-by-step explanation:

2+x = 2x-15

subtract x on both sides

2 = x -15

add 15 to both sides

17 = x

------------------

17+2 = 2(17)-15

19 = 34 -15

19 = 19

8 0
3 years ago
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State the intervals for which the given quadratic is positive and when it is negative.
goblinko [34]

Answer:

  • Positive at (-9, 2)
  • Negative at ( -oo, -9) or (2, + oo)

Step-by-step explanation:

<u>Given function</u>

  • y= -2x^2 - 14x + 36

<u>Getting zero's</u>

  • -2x^2 - 14x + 36 = 0
  • x^2 + 7x - 18 = 0
  • x = ( -7 ± √(49 +72))/2 = ( -7 ± 11)/2
  • x = - 9 and x = 2

<u>As the x^2 has negative coefficient, the function is positive between -9 and 2</u>

  • - 9 < x < 2 or
  • (-9, 2)

<u>And it is negative at:</u>

  • x < -9 and
  • x > 2
  • or
  • ( -oo, -9) or (2, + oo)

3 0
4 years ago
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