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2 years ago

What is thevmedian of starter repair cost if starters for four different vehicles 316,443,249 and 210

Mathematics

1 answer:

Leni [432]2 years ago

7 0

Answer: 283

Step-by-step explanation:

To find the median, you have to first arrange the figures in the distribution in ascending order:

210, 249, 316, 443

As this is an even distribution, the Median will be found by adding up the second and third numbers and then dividing by 2:

= (249 + 316) / 2

= 283

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Suppose $p(x)$ is a monic cubic polynomial with real coefficients such that $p(3-2i)=0$ and $p(0)=-52$. determine $p(x)$ (in exp

Maslowich

If $p(3-2i)=0,$ then complex number $3-2i$ is a root of cubic polynomial.

If polynomial has real coefficients, then conjugated $3+2i$ is also a root of polynomial.

Then the polynomial will be of a form

$p(x)=(x-(3-2i))(x-(3+2i))(x-a).$

Since $p(0)=-52,$ then

$-52=(0-(3-2i))(0-(3+2i))(0-a),\\ \\-52=(2i-3)(3+2i)a,\\ \\-52=(4i^2-9)a,\\ \\-52=(-4-9)a,\\ \\-13a=-52,\\ \\a=4.$

Therefore,

$p(x)=(x-(3-2i))(x-(3+2i))(x-4),\\ \\p(x)=(x^2-6x+13)(x-4),\\ \\p(x)=x^3-10x^2+37x-52.$

3 0

3 years ago

Please help! Giving brainliest :D

Anna11 [10]

Answer:

-29x-5

Step-by-step explanation:

Use the distributive property 5(-5x - 1 ) so…

-25x - 5

-4x - 25x - 5

combine like terms: -29x - 5

so you’re answer is -29x - 5

i hope this helps :)

7 0

2 years ago

When are the clock hands perpendicular

maxonik [38]

When it is straight up?

8 0

3 years ago

Read 2 more answers

Hlep me pleaaseee ???

pickupchik [31]

Answer:

I think the answer is 19

Step-by-step explanation:

3 x 5 = 15

15 + 1 = 16

4 x 4 = 16

18 - 16 = 2

16/2 simplified is 8

8 - (-11) = 19

I hope it's right

4 0

3 years ago

Shrinivas deposited $1300 in an account which pays 8% annual interest, compounded continuously. How long will it take to reach $

sertanlavr [38]

Answer: a. 12.4 years

Step-by-step explanation:

Function to represent exponential growth continuously:

$A=A_0e^{rt}$ ...(i)

, where $A_0$ = initial amount, r= rate of interest ( in decimal) , A = Amount after t years.

As per given , we have

$A_0=\$1300\\\\r=8\%=0.08\\\\ A=\$3500$

To find : t

Put all values in (i) ,

$3500=(1300)e^{0.08t}\\\\\Rightarrow\ 2.6923077=e^{0.08t}$

Taking natural log on both sides

$\ln(2.6923076)= 0.08t\\\\\Rightarrow\ 0.99039867=0.08t\\\\\Rightarrow\ t=\dfrac{0.99039866}{0.08}=12.37998325\approx12.4$

Hence, it would take <u>12.4</u> years.

so, the correct option is a. 12.4 years .

8 0

3 years ago