2 years ago

Can anyone help me with this

Mathematics

1 answer:

Scrat [10]2 years ago

5 0

Answer:

???

Step-by-step explanation:

pls question

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A pier forms an 85° angle with a straight shore. At a distance of 100 feet from the pier, the line of sight to the tip forms a 3

Troyanec [42]

$\alpha=85^o,a=100,\beta=37^o,b=? \\ \\ \frac{a}{\sin\alpha}= \frac{b}{\sin\beta} 
\\
\\ \frac{100}{\sin85^o}= \frac{b}{\sin37^o} 
\\
\\b= \frac{100 \sin37^o}{\sin85^o} =60.4$

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3 years ago

Which simplified equation below represents the equation of the line, y - y1 = m(x - x1), through the point (4,4) that is perpend

Korvikt [17]

Answer:

Step-by-step explanation:

y-y1=m(x-x1) through (4,4)

x-3y= -18 is perpendicular : m1*m2=-1

y=mx+c

-3y=-18-x

3y= 18+x

y=x/3 + 6

y= 1/3x + 6

m1*m2= -1

m1= -1/m2

m1= -1/1/3

m1= -3

y- 4= -3(x - 4)

y-4= -3x +12

y= -3x +12+4

y= -3x + 16

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3 years ago

If the line joining the points (2,y) and (4,6) has the slope -3/2 find the value of y

Yanka [14]

Answer: y=9

Step-by-step explanation:

slope= $\frac{y_{2} -y_{1} }{x_{2} -x_{1} }$

$\frac{-3}{2} =\frac{6-y}{4-2}$

$-6=2(6-y)$

$-6=12-2y$

$2y=18$

$y=9$

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4 years ago

What is the answer to -7(-6)

Naddika [18.5K]

Answer:

Step-by-step explanation:

Hope this helps and have a great day! :)

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3 years ago

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A cone-shaped container has a height of 9 inches and diameter of 2 inches. It is filled with a liquid that is worth $2 per cubic

Vesnalui [34]

Volume liquid = volume of the cone = 1/3 * pi * r^2 * h = 1/3 *3.14 * 1^2 * 9

= 9.42 in^3

so total value = 2 * 9.42 = $18.84

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3 years ago

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