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2 years ago

Which of the following statements is true about systematic random sampling?

2 answers:

4 0

C is the right answer answer but I gotta is a great time to go home to the right one or the other one is the right one and you have to answer me by the heart and

I hope this helps you!

Sliva [168]2 years ago

4 0

Answer:

Step-by-step explanation:

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Find equations of the line that is parallel to the z-axis and passes through the midpoint between the two points (0, −3, 7) and

tia_tia [17]

Answer:

$\vec{r}(t)=\left$

In parametric form:

$x=-1, y=\displaystyle\frac{1}{2}, z=4+t$

Step-by-step explanation:

We first find the mid point:

$\displaystyle\left(\frac{0+(-2)}{2},\frac{-3+4}{2},\frac{7+1}{2}\right)=\left(-1,\frac{1}{2},4\right)$

Then, a vector parallel to the z-axis is:

$\vec{v}=\left< 0,0,1 \right>$

Then remember the equation of a line passing through point $(x_o,y_o,z_o)$ and parallel to the vector $\vec{v}=\left$ is:

$\vec{r}(t)=\left+t\left$

So, in this problem we get:

$\vec{r}(t)=\left+t\left$

After combining the two vectors:

$\vec{r}(t)=\left$

In parametric form:

$x=-1, y=\displaystyle\frac{1}{2}, z=4+t$

7 0

3 years ago

What is the solution to the system of equations below? y = -2x - 6 and 2y = -4x - 12

katen-ka-za [31]

Answer: Infinitely Many Solutions

Step-by-step explanation:

Substitute y into the second equation:

2(-2x-6)=-4x-12

Then you get -4x-12=-4x=-12. Since this is 0=0 it would make it infinitely many solutions.

6 0

3 years ago

6 people equally share 56 gummy worms. How many gummy worms does each person get?

gregori [183]

Answer:

B: 9 2/6 gummy worms

Step-by-step explanation:

You can't divide 56 equally with 6, so you have to find the nearest dividable number. That number is 54. 54 divided by 6 is 9, which eliminates option C and D. Since 56-54 (the number we took) is 2, the answer is B.

3 0

2 years ago

Read 2 more answers

Plz help with the first and second one❤️

antoniya [11.8K]

The least common is c

7 0

3 years ago

Work out the time taken, in minutes, for a 68km journey at an average speed of 85km/h

vovikov84 [41]

Answer:

48 minutes