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IceJOKER [234]
3 years ago
14

Solve the equation 6(x-5)=4x+20

Mathematics
2 answers:
Aneli [31]3 years ago
7 0

Answer:

x=25

Step-by-step explanation:

6x-30=4x+20

6x-30+30=4x+20+30

6x=4x+50

2x=50

x=25

Leno4ka [110]3 years ago
4 0

Answer:

25

Step-by-step explanation:

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Help me in math aaaaaaa​
Dominik [7]

Answer:

105

Step-by-step explanation:

180 - 140 = 40

180 - 145 = 35

35+ 40 = 75

180 - 75 = 105

a = 5

5 0
3 years ago
Read 2 more answers
The velocity function, in feet per second, is given for a particle moving along a straight line. Find (a) the displacement and (
AveGali [126]

Answer:

(a) 2 feet.

(b) 2 feet.

Step-by-step explanation:

We have been given that the velocity function v(t)=\frac{1}{\sqrt{t}} in feet per second, is given for a particle moving along a straight line.

(a) We are asked to find the displacement over the interval 1\leq t\leq 4.

Since velocity is derivative of position function , so to find the displacement (position shift) from the velocity function, we need to integrate the velocity function.

\int\limits^b_a {v(t)} \, dt

\int\limits^4_1 {\frac{1}{\sqrt{t}}} \, dt

\int\limits^4_1 {\frac{1}{t^{\frac{1}{2}}} \, dt

\int\limits^4_1 t^{-\frac{1}{2}} \, dt

Using power rule, we will get:

\left[\frac{t^{-\frac{1}{2}+1}}{-\frac{1}{2}+1}}\right] ^4_1

\left[\frac{t^{\frac{1}{2}}}{\frac{1}{2}}}\right] ^4_1

\left[2t^{\frac{1}{2}}\right] ^4_1  

2(4)^{\frac{1}{2}}-2(1)^{\frac{1}{2}}=2(2)-2=4-2=2

Therefore, the total displacement on the interval  1\leq t\leq 4 would be 2 feet.

(b). For distance we need to integrate the absolute value of the velocity function.

\int\limits^b_a |{v(t)|} \, dt

\int\limits^4_1 |{\frac{1}{\sqrt{t}}}| \, dt

Since square root is not defined for negative numbers, so our integral would be \int\limits^4_1 {\frac{1}{\sqrt{t}}} \, dt.

We already figured out that the value of \int\limits^4_1 {\frac{1}{\sqrt{t}}} \, dt is 2 feet, therefore, the total distance over the interval 1\leq t\leq 4 would be 2 feet.

7 0
3 years ago
Need help asap
Archy [21]
Start by writing it out like this. there are no missing values. do you need help solving?

7 0
3 years ago
Which of the following is equivalent to complex number i6 ?
astraxan [27]

Answer:

-1

Step-by-step explanation:

3 0
3 years ago
Use the area to find the radius. If you could include steps that’ll be very helpful :)
igor_vitrenko [27]

Answer:

Area = PI * radius^2

radius^2 = Area / PI

radius^2 = 169*PI/PI

radius^2 = 169

radius = 13

Step-by-step explanation:

5 0
3 years ago
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