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Naddik [55]
3 years ago
9

HELPPPPSSSSSS MEEE (15 POINTS)

Mathematics
2 answers:
vladimir2022 [97]3 years ago
5 0
Step by step

I hope it helps

Vlad1618 [11]3 years ago
3 0

Answer:

B 216

Step-by-step explanation:

you need to mulimply and then do some I have no idea what I’m talking abou:)

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Two forces with magnitudes of 150 and 75 pounds act on an object at angles of 30° and 150°, respectively. Find the direction and
Anastaziya [24]
The problem is modelled in the first picture shown below

To work out the resultant vector, we modelled the vectors 150N and 75N as triangle AOB is shown in the second picture with AB as the resultant vector. 

We use the cosine rule to work out the length AB
AB^{2}= 75^{2}+ 150^{2}-(2*75*150*cos(60))
AB^{2} =28125-11250
AB^{2}=16875
AB= \sqrt{16875} =130(nearest whole number)

The third picture shows the full diagram of the vectors

To work out the direction of the resultant vector, we use the sin rule to find the size of angle A and angle B

Angle A
\frac{130}{sin(60)}= \frac{75}{sin(A)}
130sin(A)=75sin(60)
sin(A)= \frac{75sin(60)}{130}
sin(A)=0.4996300406
A= sin^{-1}(0.4996300406)
A=30 (rounded to nearest whole number)

Angle B
B=180-60-30=90

Direction is 60° toward negative x-axis

Answer: Magnitude 130N and direction 60° toward negative x-axis

3 0
3 years ago
What is 11% of 650 please?
Debora [2.8K]
578.5 is your answer.

take 650 x .11 and you get 71.5.
take 650 - 71.5 = 578.5
6 0
3 years ago
Im even worse at this
stira [4]

The first sentence is irrelevant information, you can ignore that!

There are 20 players. Each player paid the <em>same amount. </em>

In total, they payed $500,000.

We need x, the amount a single player pays. x times 20 will give us 500,000. This gives us the equation 20x=500,000

Divide both sides by 20 to isolate the variable.

x=25,000

3 0
2 years ago
Read 2 more answers
Alguien me pone una foto de cuánto es 1,258 dividido entre 74 porfa :( Guarros​
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Como solo division?? Porque es 17
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3 years ago
Can a triangle be drawn with the following angle measures? 45, 55, 65
shtirl [24]
No because a triangle is 180 degrees and the following angles only equal to 165
4 0
3 years ago
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