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gogolik [260]
3 years ago
11

Help with math please!!

Mathematics
1 answer:
STatiana [176]3 years ago
7 0

Number 1: 2.8 Number 2 : 5

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Help 15 points to brainlist that answers also please give me 2 formulas for this
kakasveta [241]
Area rectangle: L * W
5 * 9
Area triangle: (1/2) * b * h
(1/2) * 3 * 4

Rectangle = 45
Triangle = 6
45 + 6 = 51 cm^2
7 0
4 years ago
1. Determine the magnitude of the resultant force acting on the plate and its direction, measured counter-clockwise from the pos
AlexFokin [52]
F1 . . . 100% of it = 900N is in the +x direction.

F2 . . . 70.7% of it (cos45°, 530.3N) is in the +x direction,
and 70.7% of it (sin45°, 530.3N) is in the +y direction.

F3 . . . 80% of it (520N) is in the -x direction,
and 60% of it (390N) is in the +y direction.

Total x-component:  900 + 530.3 - 520  =  1,950.3 N

Total y-component:  530.3 + 390  =  920.3 N

Magnitude of the resultant = √ (x²  +  y²)

                                       = √(1950.3²  +  920.3²)

                                       =  √4,650,070.09

                                       =   2,156.4 N  .

Angle of the resultant, measured counterclockwise
from the +x axis, is 
 
                               tan⁻¹  (y / x)

                         =    tan⁻¹  (920.3 / 1950.3)

                         =    tan⁻¹  (0.4719)

                         =    about    25.3°  .

Caution:
The same fatigue that degrades my ability to READ the question accurately
may also compromise the accuracy of my solutions.  Before you use this
answer for anything, check it, check it, check it !

 
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4 years ago
Suppose you start at the origin, move along the x-axis a distance of 6 units in the positive direction, and then move downward p
Cerrena [4.2K]

The coordinates of your position are <u>(</u><u>6</u><u>,</u><u> </u><u>0</u><u>,</u><u> </u><u>-4</u><u>)</u>.

3 0
2 years ago
What is the area of square B? ​
adell [148]

Answer:

30

Step-by-step explanation:

B is not a square, it’s a rectangle. It has a area of 5x6=30 cm^2

4 0
3 years ago
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Graphing rational functions <br> 1
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Answer:

(76+92x=4)

Step-by-step explanation:

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