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Mademuasel [1]
3 years ago
15

When performing tests involving two or more populations it is important to specify which population is population 1 and which is

population 2.
a. True
b. False
Mathematics
1 answer:
iris [78.8K]3 years ago
3 0
Answer:



a. True







Explain:

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What are the coordinates of the centroid of a triangle with vertices J(−4, 2) , K(2, 4) , and L(0, −2) ?
kodGreya [7K]
<span>To begin you have to find the midpoint of the side with (2,4) and (-4,2) as vertexes. [ 2 + -4 ] / 2, [ 2 + 4 ] / 2 ) = (-1, 3) Then you have to find the point 2/3 of the distance from (0,-2) to (-1,3) = (0 + (-1 - 0) (2/3) , -2 + ( 3 - -2)(2/3) ) ( 0 - 2/3, -2 + (5)(2/3) ) (-2/3, -2 +10/3 ) The coordinates of the centriod of a triangle are (-2/3 , 4/3 )</span>
5 0
3 years ago
If you were filling the cylinder up with water using a cone that has the same height and diameter, how many cones will it take t
aleksandrvk [35]

Answer:

It required 3 cones to fill up the cylinder with the same height and diameter.

Step-by-step explanation:

Let the radius of the cone and cylinder be r.

Let the height of the cone and cylinder be h.

As we know that  \text{Volume of cylinder}=\pi r^2h ....(1)

\text{Volume of cone}=\frac{1}{3}\pi r^2h

It can be observed that the volume of a cone is \frac{1}{3}rd the volume of the cylinder. so, multiply the volume of the cone by 3.

3 \times \text{Volume of cone}=3 \times \frac{1}{3}\pi r^2h

3 \times \text{Volume of cone}= \pi r^2h

3 \times \text{Volume of cone}= \text{Volume of cylinder} (From equation 1 )

Hence, It required 3 cones to fill up the cylinder with the same height and diameter.

3 0
3 years ago
Multiply. Express your answer in simplest form. 9 1/6 × 1 1/11
natka813 [3]

Answer:

10

Step-by-step explanation:

9 1/6 × 1 1/11

Change each number to an improper fraction

9 1/6 = (6*9 +1)/6 = 55/6

1 1/11 = (11*1 +1) /11 = 12/11

55/6 * 12/11

Rearranging

12/6 *55/11

2/1 *5/1

10

7 0
4 years ago
Read 2 more answers
Good morning helpppp new !!!
tangare [24]

Answer:

c= 17

Step-by-step explanation:

c² = a² + b²

c= ?

a = 8

b= 15

c² = (8)² + (15)²

c² = 64 + 225

c² = 289

\sqrt{c ^{2} }  =  \sqrt{289}  \\  \\ c = 17

3 0
3 years ago
The height of a poplar tree in feet at age t years can be modeled by the function h(t)=6+3ln(t+1) . use the model to predict the
Citrus2011 [14]

The function h(t)=6+3ln(t+1) is a logarithmic function

The height of the tree will exceed 18 feet after 53.6 years

<h3>How to determine the number of years?</h3>

The function is given as:

h(t)=6+3ln(t+1)

When the height is 18 feet, we have:

6+3ln(t+1) = 18

Subtract 6 from both sides

3ln(t+1) = 12

Divide both sides by 3

ln(t+1) = 4

Take the exponent of both sides

t + 1 = e^4

Evaluate the exponent

t + 1 = 54.6

Subtract 1 from both sides

t = 53.6

This means that the height of the tree will exceed 18 feet after 53.6 years

Read more about logarithmic functions at:

brainly.com/question/25953978

7 0
3 years ago
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