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Verizon [17]
3 years ago
9

Which expression is equivalent to 2(x + 5) + 5x?a)2x + 10b)7x + 5c)7x + 10D)10x + 5​

Mathematics
2 answers:
White raven [17]3 years ago
8 0

Answer:

C. 7x+10

Step-by-step explanation:

First, distribute the 2

2(x+5) +5x

2*x+2*5 +5x

2x+10+5x

Combine like terms

2x+5x+10

7x+10

So, C is the correct answer

Hope this helps! :)

AnnyKZ [126]3 years ago
8 0

Answer:

Option C

Step-by-step explanation:

2(x + 5) + 5x = 2x + 10 + 5x

= 7x + 10

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Answer:

Step-by-step explanation:

An option to buy a stock is priced at $150. If the stock closes above 30 next Thursday, the option will be worth $1000. If it closes below 20, the option will be worth nothing, and if it closes between 20 and 30, the option will be worth $200. A trader thinks there is a 50% chance that the stock will close in the 20-30 range, a 20% chance that it will close above 30, and a 30% chance that it will fall below 20.

a) Let X represent the price of the option

<h3><u>  x                  P(X=x) </u></h3>

$1000         20/100 = 0.2

$200          50/100 = 0.5

$0              30/100 = 0.3

b) Expected option price

= \sum x.P(X=x)\\\\ = 1000 * 0.2 + 200 * 0.5 + 0 = \$ 300

Therefore expected gain = $300 - $150 = $150

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7 0
3 years ago
HURRY!!!!!!! Which symbol replaces ? to make the statement true? 16÷4+12 ? 4+24÷2 A.&lt; B.= C.&gt;
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16 / 4 + 12 ___ 4 + 24/2
4 + 12 ___ 4 + 12
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Step-by-step explanation:

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In Born together—Reared apart: the Landmark Minnesota twin study (2012), Nancy Segal discusses the efforts of research psycholog
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Answer:

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Step-by-step explanation:

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For △RST and △UVW, ∠R≅∠U, ST≅VW, and ∠S≅∠v. Explain how you can prove △RST ≅△UVW by ASA
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Answer:

See explanation below.

Step-by-step explanation:

Note that in △RST and △UVW

  • m∠T=180°-m∠R-m∠S;
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Since ∠R≅∠U and ∠S≅∠V, then ∠T≅∠W.

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