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wolverine [178]

3 years ago

6

5 customers approach your truck each with a coupon for 2 dollars. The total amount of money they will spend can be represented b

y the expression 5(x - 2). Simplify this expression to determine the total amount of money spent. Show your work.

1 answer:

Usimov [2.4K]3 years ago

5 0

Answer: m=5x-10

Step-by-step explanation: money spent =5(x-2)

money spent=m

m=5(x-2)

m=5x-10

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OlgaM077 [116]

Answer:

$408

Step-by-step explanation:

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3 years ago

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svp [43]

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4 years ago

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What is y=x+2and 2x+y=8

Leya [2.2K]

Answer:

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Step-by-step explanation:

5 0

3 years ago

If a = √3-√11 and b = 1 /a, then find a² - b²

Serga [27]

If $b=\frac1a$ , then by rationalizing the denominator we can rewrite

$b = \dfrac1{\sqrt3-\sqrt{11}} \times \dfrac{\sqrt3+\sqrt{11}}{\sqrt3+\sqrt{11}} = \dfrac{\sqrt3+\sqrt{11}}{\left(\sqrt3\right)^2-\left(\sqrt{11}\right)^2} = -\dfrac{\sqrt3+\sqrt{11}}8$

Now,

$a^2 - b^2 = (a-b) (a+b)$

and

$a - b = \sqrt3 - \sqrt{11} + \dfrac{\sqrt3 + \sqrt{11}}8 = \dfrac{9\sqrt3 - 7\sqrt{11}}8$

$a + b = \sqrt3 - \sqrt{11} - \dfrac{\sqrt3 + \sqrt{11}}8 = \dfrac{7\sqrt3 - 9\sqrt{11}}8$

$\implies a^2 - b^2 = \dfrac{\left(9\sqrt3 - 7\sqrt{11}\right) \left(7\sqrt3 - 9\sqrt{11}\right)}{64} = \boxed{\dfrac{441 - 65\sqrt{33}}{32}}$

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2 years ago

Please help im so confused??

WITCHER [35]

4 *3 = 12
12 * 20 = 240
240 / 2 = 120 units^3
answer is C

6 0

3 years ago