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Eddi Din [679]
3 years ago
11

5 Solve the equation sin 2x = 2 cos 2x, for 0°<x< 180°​

Mathematics
1 answer:
Slav-nsk [51]3 years ago
3 0

Answer:

Step-by-step explanation:

plot | 2 x = 2 cos(2 x) | x = 0 ° to 180 °

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There are 3 people pulling on an object, the first person pulls with a force of 226 newtons at a direction of 145 degrees the se
Alona [7]

Answer:

R=883.74N

Step-by-step explanation:

From the question we are told that:

Force 1 F_1=226N

Force 2 F_2=331N

Force 3 F_3=377N

Direction 1  \theta_1=145 degrees \approx 35 \textdegree (2nd qudrant)

Direction 2 \theta_2=303 degrees \approx 57 \textdegree (3rd qudrant)

Direction 3 \theta_3=77 degrees

Generally Resolving forces to X axis is mathematically given by

 \sum f_x=337cos77+331cos57+226sin35

 \sum f_x=351.596N

Generally Resolving forces to Y axis is mathematically given by

 \sum f_y=337sin77+331sin57+226cos35

 \sum f_x=810.788N

Generally the equation for Resultant force R is mathematically given by

 R=\sqrt{\sum f_x^2+\sum f_x^2}

 R=\sqrt{351.596^2+810.788^2}

 R=883.74N

7 0
3 years ago
Can you help me plz.
adelina 88 [10]

Answer:1.885 miles

Step-by-step explanation:Do 0.58 times 3.25 which gives you 1.885.

Hope it helps :)

4 0
3 years ago
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AYO PLEASE HELP ILL GOVE YOU BRAINLIEST
tamaranim1 [39]

it's a i think, hope this helps

6 0
2 years ago
Find the area of the figure in the image attached. Round to the nearest tenth if necessary.
ella [17]
19.8m²

Work:
First you split the shape into a rectangle and a triangle. So now you have a triangle with the sides 4 x 3.6 and a triangle with the sides 4 x 2.7.

Side note: 2.7 comes from subtracting 3.6 off of 6.3.

Rectangle:
A = lw
A = 4 (3.6)
A = 14.4m²

Triangle:
A = 1/2lw
A = 1/2 (4) (2.7)
A = 5.4m²

Then you add the areas of both the rectangle and the triangle together.

14.4 + 5.4 = 19.8m²
5 0
2 years ago
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What is the value of n in the equation ?1/2 (n-4)-3=3-(2n+3) <br>N=0 <br>N=2 <br>N=4 <br>N=6
bonufazy [111]

Answer:

n = 2

Step-by-step explanation:

1/2(n-4) - 3=3- (2n+3)

Expand the brackets.

1/2n-2-3=3-2n-3

Add or subtract the like terms.

1/2n-5=-2n

Add 2n and 5 on both sides.

1/2n+2n=5

Add like terms.

5/2n = 5

Multiply both sides by 2/5.

n = 5 × 2/5

n = 10/5

n = 2

8 0
3 years ago
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