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3 years ago

6

The price of a stock had a change of –3 dollars.

2 answers:

Leokris [45]3 years ago

5 0

The absolute value of -3 is -3

Alja [10]3 years ago

4 0

The absolute value of -3 is 3. You can use a number line to determine this by remembering what absolute value is. Absolute value is the distance a number is from zero. By knowing that, you can put a number on a number line and count the number's distance from zero.

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Bro help me out for a brainly <br> and show work

Natasha_Volkova [10]

Answer:

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Step-by-step explanation:

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2 years ago

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84 is what percent of 212? round three decimal points before changing to a percent

Olegator [25]

The answer is 39.62%.

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2 years ago

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What is 7 4/5 + 8 8/9

Paladinen [302]

7 4/5 = 7 36/45
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+----------
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2 years ago

D<br> Evaluate<br> arcsin<br> (6)]<br> at x = 4.<br> dx

sineoko [7]

Answer:

$\frac{1}{2\sqrt{5} }$

Step-by-step explanation:

Let, $\text{sin}^{-1}(\frac{x}{6})$ = y

sin(y) = $\frac{x}{6}$

$\frac{d}{dx}\text{sin(y)}=\frac{d}{dx}(\frac{x}{6})$

$\frac{d}{dx}\text{sin(y)}=\frac{1}{6}$

$\frac{d}{dx}\text{sin(y)}=\text{cos}(y)\frac{dy}{dx}$ ---------(1)

$\frac{1}{6}=\text{cos}(y)\frac{dy}{dx}$

$\frac{dy}{dx}=\frac{1}{6\text{cos(y)}}$

cos(y) = $\sqrt{1-\text{sin}^{2}(y) }$

= $\sqrt{1-(\frac{x}{6})^2}$

= $\sqrt{1-(\frac{x^2}{36})}$

Therefore, from equation (1),

$\frac{dy}{dx}=\frac{1}{6\sqrt{1-\frac{x^2}{36}}}$

Or $\frac{d}{dx}[\text{sin}^{-1}(\frac{x}{6})]=\frac{1}{6\sqrt{1-\frac{x^2}{36}}}$

At x = 4,

$\frac{d}{dx}[\text{sin}^{-1}(\frac{4}{6})]=\frac{1}{6\sqrt{1-\frac{4^2}{36}}}$

$\frac{d}{dx}[\text{sin}^{-1}(\frac{2}{3})]=\frac{1}{6\sqrt{1-\frac{16}{36}}}$

$=\frac{1}{6\sqrt{\frac{36-16}{36}}}$

$=\frac{1}{6\sqrt{\frac{20}{36} }}$

$=\frac{1}{\sqrt{20}}$

$=\frac{1}{2\sqrt{5}}$

4 0

2 years ago

Find the slope of a line that is perpendicular to a line that passes through the points (7,1) and (-14,4)

d1i1m1o1n [39]

The slope of the line is -1/7, so the perpendicular line has a slope of 7

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3 years ago