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3 years ago

An equation of the line that passes through point (0, 3) and whose slope is - 2/5?

Mathematics

1 answer:

elena-14-01-66 [18.8K]3 years ago

3 0

Answer:

y=-2/5x + 3 is the eq of the line

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lara [203]

Answer:

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Step-by-step explanation:

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3 years ago

Three people pull simultaneously on a stubborn donkey. Jack pulls directly ahead of the donkey with a force of 90.5 N , Jill pul

Radda [10]

Answer:

Fn= 174.9 N : Magnitude of the net force the people exert on the donkey.

Step-by-step explanation:

We find the components of the forces in x-y-z

Force of Jack in z =F₁z=90.5 N in direction (+z)

Force of Jill in x = F₂x= -82.3*cos45°= - 58.19 N (-x)

Force of Jill in y =F₂y=-82.3*sin45°= + 58.19 N (+y)

Force of Jane in x =F₃x=125*cos45°= + 88.4 N (+x)

Force of Jane in y =F₃y=125*sin45°= + 88.4 N (+y)

Calculating of the components of the net force the people exert on the donkey.

Fnx= F₂x+F₃x=( - 58.19+ 88.4 )N=30.2N (+x)

Fny= F₂y+F₃y=( 58.19+88.4 ) = 146.59 N (+y)

Fnz =F₁z=90.5 N (+z)

Calculating of the magnitude of the net force the people exert on the donkey.

$F_{n} =\sqrt{(F_{nx})^{2}+(F_{ny}) ^{2} +(F_{nz}) ^{2} }$

$F_{n} =\sqrt{(30.2)^{2}+( 146.59) ^{2} +(90.5) ^{2} }$

$F_{n} = 174.9 N$

7 0

3 years ago

What is the simplest form of

earnstyle [38]

The first one is 5c√10c/3d^3

The answer is: A, 5c√10c/3d^3

Hope this helps! :)

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3 years ago

Read 2 more answers

F(x) = 2x^2<br> Find f(-6)

katrin2010 [14]

Answer:

f(-6) = 72

Step-by-step explanation:

Input -6 for x :

2(-6)²

Complete with P.E.M.D.A.S :

2(36)

then :

so therefore :

f(-6) = 72

f of x equals 72

7 0

3 years ago

The population of a city in 2005 was 18,000. By 2010, the city's population had grown to 32,800. If the population growth follow

kotykmax [81]

Answer:

The projected population for 2015 is around 83,600 people.

Step-by-step explanation:

If between 2005 and 2010, the population grew by 32,800 people, and the model of this problem is linear. Then that means in another 5 years, another 32,800 people would populate the area. Hopefully this makes sense!

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3 years ago

An equation of the line that passes through point (0, 3) and whose slope is - 2/5?​

An equation of the line that passes through point (0, 3) and whose slope is - 2/5?