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3 years ago

The flaplike lateral wall of each atrium is called the

Mathematics

2 answers:

pantera1 [17]3 years ago

6 0

You mean like the tricuspid and mitral (bicuspid) valves?

melisa1 [442]3 years ago

3 0

Question is asking about the flaplike lateral wall of each atrium. Atrium is basically an open roofed entrance hall or central court in an ancient Roman house. The central area in a building is usually open to the sky. The flaplike lateral wall of each atrium is called the auricle.

So the final answer is “Auricle”.

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A ball is thrown downward from a cliff. Its position at time t seconds is given by the formula s(t) = 16t2 + 32t, where s is in

Rom4ik [11]

Answer:

It takes 2.8 seconds for the ball to fall 215 ft.

Step-by-step explanation:

We are given a position function s(t) where s stands for the number of feet the ball has fallen, so we have to replace s with the given value of 215 ft and solve for the time t.

Setting up the equation.

The motion equation is given by

$s(t) =16t^2+32t$

We can replace there s = 215 ft to get

$215=16t^2+32t$

Solving for the time t.

From the previous equation we can move all terms in one side to get

$16t^2+32t-215=0$

At this point we can solve for t using quadratic formula.

$t = \cfrac{-b\pm \sqrt{b^2-4ac}}{2a}$

where a, b and c are the coefficients of the quadratic equation

$at^2+bt+c=0$

So we get

$a=16\\b=32\\c=-215$

Replacing on the quadratic formula we get

$t = \cfrac{-32\pm \sqrt{32^2-4(16)(-215)}}{2(16)}$

Using a calculator we get

$t=-4.8 , t = 2.8$

Physically speaking the only result that makes sense is to move forward in time that give us t = 2.8 seconds.

We can conclude that it takes 2.8 seconds for the ball to fall 215 ft.

3 0

3 years ago

The elevation if New Orleans, Lousiana is 8 feet below sea level. The elevation of Lake Champion, Vermont, is 95 feet above sea

Maurinko [17]

Answer:

87 feet

Step-by-step explanation:

8 feet below sea level would be -8

95 feet above sea level would be +95

so it would be -8+95

-8+95=87

3 0

2 years ago

Which measure of central tendency best describes this situation: the numbers of apples in 2-lb bags?

katrin [286]

Which measure of central tendency best describes this situation:

The number of apples in 2-lb bags?

Solution: The best measure of central tendency to describe the numbers of apples in 2-lb bags is mean. Because the variable under consideration is numeric and probably we would not see outliers in 2-lb bags.

Mean is the defined as the sum of observations divided by the number of observation. The mean takes into account all the observation of the data. Mean is most preferable when the data is numeric and there are no outliers in the data.

Therefore, in the given situation, where we have number of apples in 2-lb bags, the mean will be best to use.

4 0

2 years ago

In geometry words describe a way to seperate triangles Into other triangles

Alja [10]

Start at one of the vertices and draw a line from there to a point on the oposite side, not ending at another vertex

6 0

3 years ago

Read 2 more answers

Please help i will mark brainiest answer please

DENIUS [597]

Answer:

-2

Step-by-step explanation:

Coefficient is usually the number in front of the variable so, in this case it would be -2.

6 0

3 years ago