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user100 [1]
4 years ago
15

What is the value of f(3) in the function f(x)=5/6x+8

Mathematics
1 answer:
natita [175]4 years ago
3 0

For this case we have a function of the form y = f (x), where f (x) = \frac {5} {6} x + 8

We must find the value of the function when x = 3, that is, we must find f (3). So:

f (3) = \frac {5} {6} (3) + 8\\f (3) = \frac {15} {6} +8\\f (3) = \frac {5} {2} +8\\f (3) = 2.5 + 8\\f (3) = 10.5

Sof (3) = 10.5

Answer:

f (3) = 10.5

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11+5+3x2+8x1=<br> What is the answer?
eimsori [14]
Answer – 30
 Solving for 11 + 5 + 3 x 2 + 8 x 1
 Using the Order of Operations – BODMAS
Multiplication is prioritized above addition
Therefore, 11 + 5 + 3 x 2 + 8 x 1
= 11 + 5 + (3 x 2) + (8 x 1)
= 11 + 5 + 6 + 8
= 30 <span>
</span>
4 0
3 years ago
Find Si when time is 4 years rate is 3% and amount is 672​
AveGali [126]

Answer:

$80.64

Step-by-step explanation:

Time = 4

Rate = 3

Principal Amount = 672

Using the Simple Interest formula:

SI = \frac{P*R*T}{100} where

P -> Principal Amount,

R -> Rate, and

T -> Time

Substituting the given values into the formula:

SI =

\frac{672*3*4}{100}\\\\= \frac{8064}{100}\\\\= $80.64\\

<em>Hope this helps and be sure to have a wonderful time ahead at Brainly! :D</em>

3 0
3 years ago
Solve the given differential equation by undetermined coefficients. y'' 4y = 7 sin(2x)
kherson [118]

The solution to the given differential equation is yp=−14xcos(2x)

The characteristic equation for this differential equation is:

P(s)=s2+4

The roots of the characteristic equation are:

s=±2i

Therefore, the homogeneous solution is:

yh=c1sin(2x)+c2cos(2x)

Notice that the forcing function has the same angular frequency as the homogeneous solution. In this case, we have resonance. The particular solution will have the form:

yp=Axsin(2x)+Bxcos(2x)

If you take the second derivative of the equation above for  yp , and then substitute that result,  y′′p , along with equation for  yp  above, into the left-hand side of the original differential equation, and then simultaneously solve for the values of A and B that make the left-hand side of the differential equation equal to the forcing function on the right-hand side,  sin(2x) , you will find:

A=0

B=−14

Therefore,

yp=−14xcos(2x)

For more information about differential equation, visit

brainly.com/question/18760518

8 0
2 years ago
Plz help meee asap helppp
KengaRu [80]

Answer:

d=45h

Step-by-step explanation:

If we look at the chart, it shows that 1 hour is equal to 45 miles. Then, 2 hours is equal to 90 miles and so on. This means that for every hour the distance is 45 miles. Therefore, the distance=45 miles times the number of hours. This is equivalent to d=45h The number 45 is equal to the number of miles and the "h" is equal to the amount of hours. I hope I didnt confuse you in the process of writing this and have a good day!

7 0
3 years ago
Chris sells books for a commission of $2.60 per book and $50 a month. His salary is determined by the function M=2.60 b+50, wher
vazorg [7]
$115 hope this helps
3 0
4 years ago
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