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Ivanshal [37]
2 years ago
12

5 (2x-4)-3 (x-2)=4x-2

Mathematics
1 answer:
lutik1710 [3]2 years ago
5 0

Step-by-step explanation:

10x - 20 - 3x + 6 = 4x - 2

10x - 3x - 4x = 20 - 6 - 2

3x = 12

3x/3 = 12/3

x = 4

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In three separate stock trades Dale los $560, gained $850, and lost $280. What was the net result of the three trades?
romanna [79]

Answer:

$10 profit

Step-by-step explanation:

560+280=840

850-840=10

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2 years ago
Is eight 4/5 as a mixed number as improper fraction
Jlenok [28]
44/5 is the number as an improper fraction
8 0
3 years ago
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A seat on a ferris wheel is level with the center of the wheel. the diameter of the wheel is 210 feet (ft). if the wheel rotates
kakasveta [241]

The 210 feet diameter of the ferris wheel rotated 45° gives;

The amount by which the height of the seat changes is the option;

  • startfraction 210 startroot 2 endroot over 2 endfraction ft.

\Delta y = \frac{210 \cdot \sqrt{2}}{2} \: ft

<h3>Which method can be used to find the change in height of the ferris wheel?</h3>

Given parameters;

Diameter of the wheel, <em>D </em>= 210 feet

Angle of rotation of the wheel = 45°

Required;

The measure by which the height changes.

Solution;

The equation of a Ferris wheel can be represented as follows;

y = A•sin(B•(x - c)) + D

Change in height, ∆y, is found as follows;

∆y = A•sin(t1) + D - A•sin(t2) + D

∆y = A•(sin(t1) - sin(t2))

Where;

t1 = 0

t2 = 45°

A = The radius = 210 feet

Therefore;

∆y = 210×2×(sin((45+0)/2)° × cos((45-0)/2)°)

∆y = 210×2×(sin(22.5)° × cos(22.5)°)

∆y = 210×sin(2×22.5)° = 210×sin(45)°

  • ∆y = 210×(√2)/2

The amount by which the height of the seat changes is therefore;

\Delta y = \frac{210 \cdot \sqrt{2}}{2} \: ft

The correct option is therefore;

startfraction 210 startroot 2 endroot over 2 endfraction ft.

Learn more about the equation of a Ferris wheel here:

brainly.com/question/14504727

#SPJ1

7 0
2 years ago
Which statements are true regarding the diagram? Check all that apply.
Vesnalui [34]

Answer:

2.CE is contained on the line m.

4.Ray AD is the same as ray AC.

6.Angle ECB is created from CE and CB.

Step-by-step explanation:

We are given that a diagram .

We have to find which statement are true about the given diagram.

1.CB is contained on the line n.

CB is not contained on the line n because point C and B are not lying on the line n.

Therefore, it not true.

2.CE is contained on the line m.

CE is contained on the line m because point C and E are lying on the line m.

Therefore, it is true.

3.Ray BC is the same as ray CB.

A ray  has one initial point and has no terminal point.It can extend to infinity .

Ray CB has initial point C and it extends from the point B.

But there is no BC ray.

Therefore, it is not true.

4.Ray AD is the same as ray AC.

AD is a ray but AC is also

AD and AC are same because both have initial point A and extend in the same direction.

5.Angle EAD is created from AE and DA.

It is not true because angle EAD is formed by ray AE and ray AD not ray DA.

6.Angle ECB is created from CE and CB.

It is true because angle ECB is formed by ray EC and ray BC.

5 0
3 years ago
Read 2 more answers
For 30 points here you go please answer truthfully
VARVARA [1.3K]

Answer:

855 sorry i miscalculated :c okay stay safe :D

Step-by-step explanation:

enjoy

6 0
3 years ago
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