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Varvara68 [4.7K]
3 years ago
13

Linear Equations & Linear Systems:Question 5

Mathematics
1 answer:
Andreas93 [3]3 years ago
5 0
(2, -3) is the solution
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Name the correct angles 5 and 7
Alex787 [66]

Answer:

Acute angle.

Right angle.

Obtuse angle.

Straight angle.

Reflex angle

Step-by-step explanation:

4 0
3 years ago
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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
It is stated that a quantity varies directly as another if the two quantities always change in the same ratio. So, what would ha
lys-0071 [83]

Answer:

2k

Step-by-step explanation:

Let k  is the ratio between two variables or y = kx

when x double, means: y = k (2x) = 2kx  quantity y will change with a ratio 2k

5 0
3 years ago
Answer: 6/2(1+2)=.<br><br><br> explain:
Tcecarenko [31]

Answer:

9

Step-by-step explanation:

6/2(1+2)

6/2(3)

3(3)

9

I hope this helped! If so, please mark brainliest!

8 0
3 years ago
Which number is between 0.5 and 8/9?
GalinKa [24]
To know which number is between 0.5 and 8/9, let us convert all numbers in the same form, the decimal form. 8/9 is equivalent to 0.89.
Option A is 0.29. Option B is 0.14. Option C is 0.21 and option D is 0.29. From the given choices above, THERE IS NO CORRECT ANSWER. None of the choices given fits to be a number that is between 0.50 and 8/9. Hence, the given choices may be incorrect.
7 0
3 years ago
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