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kenny6666 [7]
3 years ago
13

The dot plot shows predictions for the winning time in the​ 200-meter sprint. The winner finished the race in 22.2 seconds. What

is the greatest percent error among the​ predictions?
Mathematics
2 answers:
jenyasd209 [6]3 years ago
5 0
76% i think is the answer
Slav-nsk [51]3 years ago
3 0

Answer76%

Step-by-step explanation:

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Pls answer these questions correctly for brainly
FinnZ [79.3K]

40 - 3k + 10k = -10 - 8k - 10

40 + 7k = -10 - 8k - 10

40 + 7k = -8k - 20

40 + 7k - 40 = -8k - 20 - 40

7k = -8k - 60

7k + 8k = -8k - 60 + 8k

15k = -60

15k/15 = -60/15

k = -4

8 0
3 years ago
In problem solve the given differential equation by underdetermined coefficients y''-2y+y=xe^x
Alexus [3.1K]

Answer:

Solution is y(t)=C_1e^x+C_2xe^x+\frac{x^3e^x}{6}

Step-by-step explanation:

Given Differential Equation,

y"-2y'+y=xe^x ...............(1)

We need to solve the given differential equations using undetermined coefficients.

Let the solution of the given differential equation is made up of two parts. one complimentary solution and one is particular solution.

\implies\:y(x)=y_c(x)+y_p(x)

For Complimentary solution,

Auxiliary equation is as follows

m² - 2m + 1 = 0

( m - 1 )² = 0

m = 1 , 1

So,

y_c(x)=C_1e^x+c_2xe^x

Now for particular solution,

let y_p(x)=Ax^3e^x

y'=Ax^3e^x+3Ax^2e^x

y"=Ax^3e^x+6Ax^2e^x+6Axe^x

Now putting these values in (1), we get

Ax^3e^x+6Ae^2e^x+6Axe^x-2(Ax^3e^x+3Ax^2e^x)+Ax^3e^x=xe^x

Ax^3e^x+6Ae^2e^x+6Axe^x-2Ax^3e^x-6Ax^2e^x+Ax^3e^x=xe^x

6Axe^x=xe^x

6A=1

A=\frac{1}{6}

\implies\:y_p(x)=\frac{x^3e^x}{6}

Therefore, Solution is y(t)=C_1e^x+C_2xe^x+\frac{x^3e^x}{6}

8 0
4 years ago
a recipe needs 32 fluid oz of heavy cream how many 1 pint containers of heavy cream are needed to make this recipe
FinnZ [79.3K]

Answer:

2, because there is 16 fluid ounces in a pint and 16+16= 32

8 0
3 years ago
How many square inches are in 16 square feet
rewona [7]

Answer:

2304

Step-by-step explanation:

7 0
3 years ago
Read 2 more answers
Simplify this please. (29)^3
Effectus [21]

Answer:

24,389

Step-by-step explanation:

29x29x29

29x29=841 841x29=24,389

3 0
3 years ago
Read 2 more answers
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