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FromTheMoon [43]

3 years ago

13

rachel enjoys exercising outdoors. today she walked 5 2/3 miles in 2 2/3 hours. what is rachel’s unit walking brats in miles per

hour and in hours per mile?

1 answer:

Ostrovityanka [42]3 years ago

5 0

I believe it is 8/17 miles per hour

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If the probability of losing is <br> 7<br> 10<br> what is the probability of winning?

alexandr1967 [171]

3/10 is the probability of winning

5 0

3 years ago

Let B be the basis of P3 consisting of the Hermite polynomials in Exercise 21, and let p.t / D 7 ! 12t ! 8t 2 C 12t 3. Find the

Anastasy [175]

To calculate the relative vector of B we have to:

$P_B=\left[\begin{array}{ccc}3\\3\\-2\\3/2\end{array}\right]$

The coordenates of:

$p(t)= 12t^3-8t^2-12t+7$ , with respect to B satisfy:

$C_1(1)+C_2(2t)+C_3(-2+4t^2)+C_4(-12t+8t^3)= 7-12t-8t^2+12t^3$

Equating coefficients of like powers of t produces the system of equation:

$\left \{ {C_1-2C_3=7} \atop {2C_2-12C_4=-12} \right. \\\left \{ {{4C_3=-8} \atop {8C_4=12}} \right.$

After solving this system, we have to:

$C_1=3\\C_2= 3\\C_3= -2\\C_4= \frac{3}{2}$

And the result is:

$P_B=\left[\begin{array}{ccc}3\\3\\-2\\3/2\end{array}\right]$

Learn more: brainly.com/question/16850761

4 0

3 years ago

Sandy gave a high five to 2 of her friends. Each of her friends gave a high five to 2 more friends who each gave a high five to

anzhelika [568]

Answer:

It is the first graph

Step-by-step explanation:

You graph each point and it appears the same way

7 0

3 years ago

I NEED ANSWER ASAP !!!

aivan3 [116]

Answer:

5

Step-by-step explanation:

3+2x=5x

3=3x

x=1

PR=5

4 0

3 years ago

Explain how finding 4×30 he can help you find 4×5384 then find the both products

wlad13 [49]

You can do this by doing 4 x 384, and you also want to find 4 x 5384 is then all you have to do is multiply the product of that by 5,000. Or to make life easier, do 5 times the product, and then add 3 zeros to the answer.

3 0

3 years ago