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3 years ago

2(x-3)+5=3(x-1) how to solve?

Mathematics

1 answer:

jasenka [17]3 years ago

6 0

Answer:

2x-12+5=3x-3

1. subtract 3x-2x

-12+5=x-3

2.-12 add to 5

-7=x-3

3. add three to seven

-4=x

Step-by-step explanation:

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A force of 50 pounds acts on an object at an angle of 45 degrees. A second force of 75 pounds acts on the object at an angle of

Contact [7]

Answer:

The magnitude of the resultant force is:

$R=100.3 \:pound$

The direction is:

$\theta=1.2^{\circ}$

Step-by-step explanation:

Let's find the components of each vector is x and y-directions first.

Sum of x-component vector forces.

$F_{tot-x}=F_{1}cos(45)+F_{2}cos(30)$

$F_{tot-x}=50cos(45)+75cos(30)$

$F_{tot-x}=100.3 \: pound$

Sum of y-component vector forces.

$F_{tot-y}=-F_{1}sin(45)+F_{2}sin(30)$

$F_{tot-y}=-50sin(45)+75sin(30)$

$F_{tot-y}=2.1 \: pound$

The magnitude of the resultant force is:

$R=\sqrt{100.3^{2}+2.1^{2}}$

$R=100.3 \:pound$

The direction is:

$tan(\theta)=\frac{2.1}{100.3}$

$\theta=arctan(\frac{2.1}{100.3})$

$\theta=1.2^{\circ}$

I hope it helps you!

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3 years ago

An architect’s blueprint for a new house shows the kitchen being 7 inches wide. If the scale used to create the blueprint is 0.5

harina [27]

7in * 1ft/0.5in = 14ft

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3 years ago

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Does anyone know how to answer this question I'm having a lot of trouble with it?

Helen [10]

Answer:

h = $\frac{2A}{(b+c)}$

Step-by-step explanation:

Formula for the area of a trapezoid is,

Area (A) = $\frac{1}{2}(b+c)h$

Here b and c are the bases and 'h' is the height of the trapezoid.

2A = $2[\frac{1}{2}(b+c)h]$

2A = (b + c)h

$\frac{2A}{(b+c)}=h$

Therefore, formula for the height of the trapezoid will be,

h = $\frac{2A}{(b+c)}$

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3 years ago

There are some oranges in a box. The total weight of these oranges is 4.29 kg. The

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Answer:

There are 44 oranges in the box

Step-by-step explanation:

4.29 kg = 4290 g

4290g / 97.5 g = 44

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3 years ago

A force F1 of magnitude 6.00 units acts at the origin in a direction 30.0 above the positive x axis. A second force F2 of magnit

kumpel [21]

F1 = 6*cos(30) i + 6*sin(30) j = 5.20 i + 3 j
F2 = 0 i + 5 j 

R = F1 + F2 
Add the 'i's together (x direction) and the 'j's together (y direction) 
R = (5.20 + 0) i + (3 + 5) j = 5.2 i + 8 j 

Magnitude: 
||R|| = √(5.2^2 + 8 ^2) = √91 = 9.54 

Direction: 
Θ = atan ( Rj / Ri ) = atan( 8 / 5.2 ) = 57.0⁰

5 0

3 years ago

2(x-3)+5=3(x-1) how to solve?​

2(x-3)+5=3(x-1) how to solve?