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taurus [48]
3 years ago
13

The function f(x) changes value when x changes from x0 to x0 + dx. Find the approximation error . Round your answer, if appropri

ate.
f(x) = x^2, x0 = 7, dx = 0.06
Mathematics
1 answer:
allochka39001 [22]3 years ago
3 0
The answer to this question is a simple one.
First, you need this formula :
 <span>(<span>x0 </span>+ dx<span>)^2
You need to substitute the values of the formula
Then,.
</span></span><span>(dx)^2 = (0.06)^2

So the answer to this question is .0036

I hope my answer helped you in somehow. </span>
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What is the equation of the line best fit for the following data? Round the slope and y-intercept of the line to three decimal p
kari74 [83]

Answer:

y=1.383x-1.526

Step-by-step explanation:

The given data table is

x :        4       7       10       12       13

y :        5       7       12       14       18

We need to find the equation of the best fit line.

The general form of a best fit line is

y=mx+b         .... (1)

where, m is slope and b is y-intercept.

m=\frac{\sum_{i=1}^nx_iy_i-n\overline{x}\overline{y}}{\sum_{i=1}^nx_i^2-n\overline{x}^2}

b=\overline{y}-b\overline{x}

Using the graphing calculator we get

m=1.38321\approx 1.383

b=-1.52555\approx -1.526

Substitute m=1.383 and b=-1.526 in equation (1).

y=1.383x-1.526

Therefore, the equation of best fit line is y=1.383x-1.526.

4 0
3 years ago
Read 2 more answers
Marya plans to participate in a 20 km walk-a-thon. To prepare, she walked 4 km on Monday. She plans to increase her walk by 2 km
Afina-wow [57]

Answer: 8 weeks

Step-by-step explanation:

20 - 4 = 16

16 / 2 = 8

7 0
2 years ago
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Given the quadratic equation below, determine which situation it could represent. x^2-4x=60
Natasha_Volkova [10]

Answer:

C.  In a meeting room for a business event, there are 4 fewer chairs laid out in each row than the number of rows. The total number of chairs in the room is 60.

Step-by-step explanation:

To find the total number of chars, we multiply the number of rows by the number of chairs in each row.

Let the number of rows be x.  There are 4 fewer chairs in each row than the number of rows; this gives us (x-4).  Together, this gives us

x(x-4).

We know there are 60 chairs; this gives us

x(x-4) = 60

Using the distributive property,

x(x)-4(x) = 60

x²-4x = 60

5 0
3 years ago
The value of expression x<br> 2 + 3x<br> 2 − 5n − 2 when x = 2 is
Mumz [18]

2 + 3x

= 5

<h3>X = 5</h3>

Have a Nice day

3 0
2 years ago
8. myles had 103 coins in a jar - all nickels, dimes, and quarters. if the total value of the coins is $15
Ivanshal [37]

If the total value of the coins is $15. The number of each type of coin is: 31 quarters, 72 dimes.

<h3>Number of each type of coin</h3>

Let D = number of dimes

Let Q = the number of quarters

Equations

d + q = 103

0.10d + 0.25q = 15  

d = 103 -q

0.10(103 -q) + 0.25q = 15

10.3 - 0.10q + 0.25q = 15

0.15q = 4.7

q=4.7/0.15

q=31 quarters

Substitute q into second equation

D+31=103

D=72 dimes

Therefore the number of each type of coin is: 31 quarters, 72 dimes.

Learn more number of each coin here:brainly.com/question/13934075

#SPJ1

5 0
2 years ago
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