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shepuryov
7 days ago
5

Sixteen students are randomly selected from each grade level at a high school and asked about their eating habits. This sampling

technique is called:
Mathematics
1 answer:
PIT_PIT [11.1K]7 days ago
8 0

Answer:

stratified random sampling method

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Searches related to Elon sat on the dock with his fishing rod, when suddenly he felt the rod being pulled down! He reeled in his
PIT_PIT [11128]
The attached graph shows the moment when his catch surfaced at (35, 0). Given that it ascends consistently, the graph is linear. We need to establish the starting depth before he reeled it in. Using the equation d=rt, where d represents depth, r is the speed, and t is the time, we can find the distance traveled to reach the surface. Setting up the equation yields: d = 0.1(35). This indicates the catch traveled 3.5 m from a starting point of 3.5 m underwater, ascending at a rate of 0.1 m per second.
3 0
17 days ago
A rancher’s herd of 250 sheep grazes over a 40-acre pasture. He would like to find out how many sheep are grazing on each acre o
AnnZ [11017]

Response:

0.16 acres for each sheep

Explanatory steps:

With a total of 40 acres allocated to 250 sheep, you would calculate the area per sheep by dividing the total acres by the sheep count. This can be represented as:

40/250 =....

7 0
1 month ago
Read 2 more answers
The Sears Tower, at 1,451 feet, is one of the tallest structures in the United States. A penny is thrown from the top of the tow
Leona [11225]

Answer:

The formula representing the penny's height as a function of time is:

h(t)=1451-16t^2

After 7 seconds, the height of the penny will reach 667 feet.

Step-by-step explanation:

The penny experiences free fall.

With an initial velocity of zero and an initial height of h(0)=1,451.

Gravity acts as the acceleration, measured as g=32 ft/s^2.

The model can be initiated by analyzing speed:

dv/dt=-g\\\\v(t)=v_0-gt=-gt

Then, the height is expressed as:

dh/dt=v(t)=-gt\\\\h(t)=h_0-\dfrac{gt^2}{2}=1451-\dfrac{32}{2}t^2\\\\\\h(t)=1451-16t^2

The height of the penny at approximately 7 seconds can be calculated as:

h(7)=1451-16(7^2)=1451-16*49=1451-784=667

After 7 seconds, the penny will stand at a height of 667 feet.

6 0
1 month ago
A ladder 25 feet long is leaning against the wall of a building. Initially, the foot of the ladder is 7 feet from the wall. The
lawyer [11315]

Answer:

Step-by-step explanation:

Refer to the attachment below

5 0
26 days ago
Which is an x-intercept of the continuous function in the table?
tester [10867]

Answer:

B. (3, 0)

Step-by-step explanation:

The x-intercept signifies the location on the graph where it intersects the x-axis.

At the x-intercept, y=0 or f(x)=0.

Therefore, you need to examine the table for the instance where f(x)=0.

The value f(x)=0 is found at x=3 in the table.

We express this as an ordered pair.

Hence, the x-intercept is (3,0).

The right option is B.

7 0
1 month ago
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