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2 years ago

HELP FAST PLZ

Mathematics

2 answers:

Stells [14]2 years ago

8 0

Answer:

$236 in 3 years

Step-by-step explanation:

Liula [17]2 years ago

3 0

He would be paid $236 for the 3years

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A ship leaves port at noon and has a bearing of S29oW. The ship sails at 20 knots. How many nautical miles south and how many na

ira [324]

Answer:

Approximately $58.2\; \text{nautical miles}$ (assuming that the bearing is ${\rm S$29^{\circ}$W}$ .)

Step-by-step explanation:

Let $v$ denote the speed of the ship, and let $t$ denote the duration of the trip. The magnitude of the displacement of this ship would be $v\, t$ .

Refer to the diagram attached. The direction ${\rm S$29^{\circ}$W}$ means $29^{\circ}$ west of south. Thus, start with the south direction and turn towards west (clockwise) by $29^{\circ}$ to find the direction of the displacement of the ship.

The hypothenuse of the right triangle in this diagram represents the displacement of the ship, with a length of $v\, t$ . The dashed horizontal line segment represents the distance that the ship has travelled to the west (which this question is asking for.) The angle opposite to that line segment is exactly $29^{\circ}$ .

Since the hypotenuse is of length $v\, t$ , the dashed line segment opposite to the $\theta = 29^{\circ}$ vertex would have a length of:

$\begin{aligned}& \text{opposite (to $\theta$)} \\ =\; & \text{hypotenuse} \times \frac{\text{opposite (to $\theta$)}}{\text{hypotenuse}} \\ =\; & \text{hypotenuse} \times \sin (\theta) \\ =\; & v\, t \, \sin(\theta) \\ =\; & v\, t\, \sin(29^{\circ})\end{aligned}$ .

Substitute in $\begin{aligned} v &= 20\; \frac{\text{nautical mile}}{\text{hour}}\end{aligned}$ and $t = 6\; \text{hour}$ :

$\begin{aligned} & v\, t\, \sin(29^{\circ}) \\ =\; & 20\; \frac{\text{nautical mile}}{\text{hour}} \times 6\; \text{hour} \times \sin(29^{\circ}) \\ \approx\; & 58.2\; \text{nautical mile}\end{aligned}$ .

7 0

1 year ago

Please answer worth 30 points

I am Lyosha [343]

Answer:

I cannot see the picture I think its because my chromebook sorry

Step-by-step explanation:

4 0

2 years ago

Describe the location of point (−5, −5, 5) in three-dimensional coordinate space.

Diano4ka-milaya [45]

Here's a really cool website that let's you input 3D points!
http://technology.cpm.org/general/3dgraph/

From the attached picture you can see that the point has moved back 5 units, to the left 5 units, and up 5 units.

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2 years ago

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Select the correct answer. The grounds crew at a college is installing a path around a pond on campus as shown. What is the peri

olchik [2.2K]

Answer:

Step-by-step explanation:

You are combining like terms.

1.) find all of the #x³ and there is only one and that is -x³ so that limits the problem to B or D.

2.) now you find all of the #x² and there are three of them being 10x², -x², and 4x². Now that you have identified them you will add them together to get a sum of 13x²

you don't have to do anymore of the question because D does not have 13x² so it is B.

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2 years ago

Which equation represents the line that passes through the points (-4,3) and (2,12)

Ksenya-84 [330]

Answer:

y = 3/2 x + 9

Step-by-step explanation:

take the two points and find slope :

12 - 3 / 2 - (-4) = 3/2

then use the slope and one of the points to find the y-intercept :

y = 3/2 x + b

3 = 3/2 * (-4) + b (Substitute)

3 = -6 + b (Multiplication)

3 + 6 = -6 + b + 6 (Addition)

b = 9

so, your final slope-intercept equation is :

y = 3/2 x + 9

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2 years ago

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