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Mademuasel [1]
3 years ago
8

HELP PLEASE! I rrly need help with this

Mathematics
2 answers:
hram777 [196]3 years ago
6 0

Answer:

Choosing from.

A. positive linear association

B. negative linear association

C. nonlinear association

D. no association

I think it is nonlinear association. :/

Step-by-step explanation:

Leviafan [203]3 years ago
5 0

The trend is the oldest vacuums cost higher than the newer vacuums.

Your Welcome! ^^

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Bearings Problem Solving Question:
Lynna [10]

9514 1404 393

Answer:

  a) 123.4°

  b) 3.3 km

Step-by-step explanation:

In (N, E) coordinates, Boat 1 is located relative to the lighthouse at ...

  2(cos(60°), sin(60°)) = (1.0, 1.732) . . . . . km

Boat 2 is located at ...

  3(cost(340°), sin(340°)) = (2.819, -1.026) . . . . . km

So, relative to Boat 2, Boat 1 is located at ...

  (1, 1.732) -(2.819, -1.026) = (-1.819, 2.758) . . . . . km

This is at a bearing of ...

  arctan(2.758/-1.819) = 123.4°

and a distance of ...

  √(1.819² +2.758²) ≈ 3.304 . . . . . km

a) Boat 2 would need to travel on a bearing of 123.4°.

b) Boat 2 would need to travel 3.3 km.

_____

<em>Additional comment</em>

We use (North, East) coordinates so we don't have to do the mental gyrations necessary to translate to and from (E, N) coordinates. The latter would correctly orient a map relative to the X-Y Cartesian plane. The former are equivalent to flipping the map over and looking at it from the back side. This is a "rigid transformation", so angles and distances remain unchanged.

7 0
3 years ago
An equivalent equation for 4x+11=15​
Keith_Richards [23]

Answer:I can solve it?

take away 11 from both sides to make..

4x = 4

simplified (4 ÷ 4) to make x=1

Step-by-step explanation:

4 0
3 years ago
The differences of 4 and a number x is 14
shutvik [7]

Answer:

x=18

Step-by-step explanation:

x-4=14

  +4  +4

x=18

6 0
3 years ago
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If angle x=55% and angle y=35, calculate the following 1.cos(x+y) ​
Setler79 [48]

Answer:

cos(X+Y) = cos(55+35) = cos(90) = 0

Step-by-step explanation:

cos(X+Y) = cosXcosY - sinXsinY

cos(55+35) = cos(55)cos(35) - sin(55)sin(35)

cos(55+35) = cos(55)cos(35) - cos(90-55)cos(90-35)

cos(55+35) = cos(55)cos(35) - cos(35)cos(55)

cos(55+35) = 0

cos(90) = 0

4 0
3 years ago
A pastry recipe calls for 3 cups of flour to make 8 servings. how many cups of flour are needed to make 6 servings?
zimovet [89]
To make one serving you need 3cups/8servings = 3/8 cup.

To make 6 servings you need 3/8cup * 6 servings = 9/4 cups = 2.25 cups.
4 0
3 years ago
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