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pav-90 [236]
3 years ago
14

Solve the equation for x. 2(x-2) + 6 = 2

Mathematics
2 answers:
padilas [110]3 years ago
8 0

Answer:

x=0

Step-by-step explanation:

Tpy6a [65]3 years ago
6 0

Answer:

x=0

Step-by-step explanation:

2x-4+6=2

2x+2=2

2x=0

x=0

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Can anyone help me with this?
Neko [114]

Answer:

the answer would be 5

Step-by-step explanation:

because if there was 15 truth or false questions that would be 45 points and if there where 5 essay questions that would be 55 questions 45+55=100 points and 15+5 questions is 20 questions so there would be 5 essay questions.

3 0
1 year ago
The general solution to the second-order differential equation y′′+10y=0 is in the form y(x)=c1cosβx+c2sinβx. Find the value of
allsm [11]

Answer:β=√10 or 3.16 (rounded to 2 decimal places)

Step-by-step explanation:

To find the value of β :

  • we will differentiate the y(x) equation twice to get a second order differential equation.
  • We compare our second order differential equation with the Second order differential equation specified in the problem to get the value of β

y(x)=c1cosβx+c2sinβx

we use the derivative of a sum rule to differentiate since we have an addition sign in our equation.

Also when differentiating Cosβx and Sinβx we should note that this involves function of a function. so we will differentiate  βx in each case and multiply with the differential of c1cosx and c2sinx respectively.

lastly the differential of sinx= cosx and for cosx = -sinx.

Knowing all these we can proceed to solving the problem.

y=c1cosβx+c2sinβx

y'= β×c1×-sinβx+β×c2×cosβx  

y'=-c1βsinβx+c2βcosβx

y''=β×-c1β×cosβx + (β×c2β×-sinβx)

y''= -c1β²cosβx -c2β²sinβx

factorize -β²

y''= -β²(c1cosβx +c2sinβx)

y(x)=c1cosβx+c2sinβx

therefore y'' = -β²y

y''+β²y=0

now we compare this with the second order D.E provided in the question

y''+10y=0

this means that β²y=10y

β²=10

B=√10  or 3.16(2 d.p)

5 0
3 years ago
Graph the equation y = -3x on a graph
Dafna1 [17]

Put a dot on the -3 from the y-axis and draw a straight line from left to right.

3 0
2 years ago
2,412 ÷ 25.<br> pls show your work<br> 1,889 ÷ 36.<br> pls show your work
Goshia [24]

Answer:

96.48

52.472

Step-by-step explanation:

lol

3 0
2 years ago
Read 2 more answers
Which expression is equal to (x-3)(x-2)/(x+3)(x-3)
Tju [1.3M]

Answer:

\frac{x-2}{x+3}

Step-by-step explanation:

given \frac{(x-3)(x-2)}{(x+3)(x-3)}

the factor (x - 3) can be cancelled from the numerator/ denominator leaving

\frac{x-2}{x+3}


3 0
3 years ago
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