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coldgirl [10]
3 years ago
12

Could you guys please help answer this question and also could guys show the work how you got the answer please

Mathematics
1 answer:
Allisa [31]3 years ago
5 0
24 in total. 8 were solo. The test group. 24-8=16 group. 16/24=(66+2/3)%
Answer I
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The velocity v of the flow of blood at a distance r from the central axis of an artery of radius R is given below, where k is th
andrew11 [14]
The average rate of blood flow is given by

\displaystyle\frac1{R-0}\int_0^Rv(r)\,\mathrm dr=\frac kR\int_0^R(R^2-r^2)\,\mathrm dr
=\dfrac kR\left(R^2r-\dfrac13r^3\right)\bigg|_{r=0}^{r=R}
=\dfrac kR\left(R^3-\dfrac13R^3\right)
=\dfrac{2kR^2}3
3 0
3 years ago
Which equation is not equivalent to the formula r = st?
maksim [4K]
We are given the formula r = st. We evaluate each option to know the correct answer.

A.) S = r/t 
r = st

B.) t = r/s
r = st

C.) s = t/r
r = t/s

<span>D.) r = ts
</span>r = st

Therefore, the correct answer among the choice given is option C. It is not equivalent to the formula.

5 0
3 years ago
Read 2 more answers
HELP PLEASE!!!!!BRAINLIEST
Greeley [361]
That is false because you have to subtract the exponents not divide
4 0
3 years ago
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I need help in learning how to solve this equation using substitution:
Tomtit [17]

Answer:

x=3, z=-1, y=6

Step-by-step explanation:

you need to make the coefficients of each variable equal to each other then subtract 2 equations.

this one: multiply -4 in 1st

4x+4y+4z=32

-4x+4y+5z=7

_____________

8x+0-z=25

we have 2 equations with 2 variables now

2x+2z=4

8x-z=25

4 0
2 years ago
Andrea runs 218.4 meters in 31.04 seconds
uranmaximum [27]

Answer:

can you explain the questin more clearly pleaseee

Step-by-step explanation:

7 0
3 years ago
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