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3 years ago

10

What is the value of 2 in 5,014,245?

1 answer:

Arlecino [84]3 years ago

6 0

Your reasoning and your answer were both correct. Discuss with the teacher. ("Discuss". DON'T fight.)

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If a liquid weighs 2 pounds and has a capacity of 3 gallons, what is its density?

Illusion [34]

5 gallons would be the right answer

8 0

3 years ago

Find the exact value of tan(x-y) if sin x=8/17 cosy = 3/5

jolli1 [7]

To solve the the question we proceed as follows:

From trigonometric laws

$(cos x)^2+(sin x)^2=1$

$(cos x)^2+(sin x)^2=1$

$sin (x-y)=sin$ $x$ $sin$ $y-sin$ $y$ $cos$ $x$

$cos (x-y)=cos$ $x$ $cos$ $y+sin$ $x$ $xin$ $y$

si $x=\frac{8}{17}$

$cos$ $x=sqrt(1-(sin x)^2)=sqrt(1-64/289)=sqrt(\frac{225}{289} )=\frac{15}{17}$

$cos$ $y=\frac{3}{5}$

$sin$ $x= sqrt(1- (cos x)^2)= sqrt(1-\frac{9}{25} )=sqrt(\frac{16}{25} )=\frac{4}{5}$

thus

$tan (x-y)=[sin (x-y)]/[cos (x-y)]$

=[sin x cos y-sin y cos x]/[cos x cos y+sin x sin y]

plugging in the values we obtain:

$[8/17 *3/5-4/5*15/7]/[15/17*3/5+8/17*4/5]$

simplifying

$[24/85-60/85]/[45/85+32/85]$

$=-\frac{36}{77}$

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2 years ago

Find the measure of angle J.<br><br>123°<br><br>237°<br><br>57°<br><br>115°

Bumek [7]

Answer:

57. You Take 180 And Subtract It From The 65 And 58 To Get Your Answer

Step-by-step explanation:

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3 years ago

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At work, Brett must check and record the internal temperature of the freezer on an hourly basis. When working properly, the temp

Alchen [17]

Answer: The first option (positive)

Step-by-step explanation:

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4 years ago

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A Circle Has a radius of six inches what is the exact length of an arc formed by a central angle measuring 45 degrees

Anvisha [2.4K]

$\bf \textit{arc's length}\\\\ s=\cfrac{\theta \pi r}{180}~~ \begin{cases} r=radius\\ \theta =angle~in\\ \qquad degrees\\[-0.5em] \hrulefill\\ r=6\\ \theta =45 \end{cases}\implies s=\cfrac{(45)\pi (6)}{180}\implies s=\cfrac{3\pi }{2}\implies s\approx 4.7$

3 0

3 years ago