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3 years ago

How do you divide fractions?

Mathematics

2 answers:

nika2105 [10]3 years ago

7 0

Answer:

The easiest way to divide fractions is to follow three simple steps:

1. Flip the divisor into a reciprocal.

2. Change the division sign into a multiplication sign and multiply.

3. Simplify if possible.

balandron [24]3 years ago

3 0

Keep change flip. You keep the first fraction the same, change the sign to multiplication and flip the second fraction. Example: 3/4 divided by 1/2 would be worked as 3/4 times 2/1

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Three forces act on a hook. Determine the magnitude of the resultant of the force.

Novay_Z [31]

Use Hooke's law... (just kidding)

Break down each force vector into horizontal and vertical components.

$\vec F_1=(1000\,\mathrm N)(\cos30^\circ\,\vec x+\sin30^\circ\,\vec y)\approx(866.025\,\mathrm N)\,\vec x+(500\,\mathrm N)\,\vec y$

$\vec F_2=(1500\,\mathrm N)(\cos160^\circ\,\vec x+\sin160^\circ\,\vec y)\approx(-1409.54\,\mathrm N)\,\vec x+(513.03\,\mathrm N)\,\vec y$

$\vec F_3=(750\,\mathrm N)(\cos195^\circ\,\vec x+\sin195^\circ\,\vec y)\approx(-724.444\,\mathrm N)\,\vec x+(-194.114\,\mathrm N)\,\vec y$

The resultant force is the sum of these vectors,

$\vec F=\displaystyle\sum_{i=1}^3\vec F_i\approx(-1267.96\,\mathrm N)\,\vec x+(818.916\,\mathrm N)\,\vec y$

and has magnitude

$|\vec F|\approx\sqrt{(-1267.96\,\mathrm N)^2+(818.916\,\mathrm N)^2}\approx1509.42\,\mathrm N$

The closest answer is D.

5 0

3 years ago

1 Zx and Zy are supplementary angles. Zy measures 65º. What is the measure of Zx?

Hitman42 [59]

Answer:

zx=115'

Step-by-step explanation:

supplementary angles add up to 180'

180-65=115

6 0

3 years ago

Read 2 more answers

Write an equation of the line that goes through the point (6, 12) and has a slope of 2 3 .

Degger [83]

Answer:

3y = 2x + 24

Step-by-step explanation:

The correct question is as follows;

Write an equation of the line that goes through the point (6, 12) and has a slope of 2/3

Solution

Here, we have a point and a slope, and we want to write the equation of the line

The method we shall use here is the point slope method

Mathematically, that will be;

y-y1 = m(x-x1)

(x1,y1) = (6,12)

m = 2/3

y-12 = 2/3(x-6)

3(y-12) = 2(x-6)

3y-36 = 2x - 12

3y = 2x -12 + 36

3y = 2x + 24

8 0

3 years ago

Find the gradient of the line segment between the points (-4,2) and (4,5).

aleksklad [387]

Answer:

Gradient is = 0.375

Step-by-step explanation:

Rise = 3

Run = 8

8 0

3 years ago

Read 2 more answers

Help! Brainliest, thx!

sashaice [31]

The Y intercept is five

5 0

4 years ago