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Phantasy [73]
3 years ago
7

A local vet wants to survey his clients about their satisfaction regarding the care their pet received. He groups all of the cli

ents by the type of pet they have (dog, cat, bird, exotic, or multiple), then randomly selects 5 people from each group. Which sampling method was used?
cluster sampling
simple random sampling
stratified random sampling
systematic random sampling
Mathematics
2 answers:
babymother [125]3 years ago
8 0

Answer: Stratified Random Sampling

Step-by-step explanation: Got it right

balu736 [363]3 years ago
6 0

Answer:

stratified random sampling

Step-by-step explanation:

correct on edge

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A triangle has angles measuring 30 degrees and 90 degrees the length of the included side is 6cm. tell whether the conditions fo
Alexxx [7]
Angle 1 = 30°
Angle 2 = 90°
⇒ Angle 3 = 60°
So, it's right triangle. We can set the length of one side and get all other sides.
So, we have 1 triangle. If there are 2 or more triangles with the same data, all the triangles will be congruent because of : <span>Two triangles are </span><span>congruent if </span>"<span>ASA: Two interior angles and the included side in a triangle have the same measure and length, respectively, as those in the other triangle</span><span>.</span>"
4 0
3 years ago
The width of a rectangle is 13 inchs more than 5 times the length. if x represents the length, write an algebraic expression in
rjkz [21]

perimeter is 2L+2W

problem states width = 5L+13

so plug that in for w:

P=2L+2(5L+13)

 now simplify

P=2L+10L+26

P=12L+26

3 0
3 years ago
Which constants could each equation be multiplied by to eliminate the x-variable using addition in this system of equations? 2x+
Elden [556K]

Answer:

The first equation can be multiplied by 3 and the second equation by 2.

Step-by-step explanation:

Given

2x+3y=25

-3x + y=22

Required

How to eliminate x

To eliminate x using addition, we have to do the following;

1. Take the coefficient of x in equation 1; Coefficient = 2

2. Take the coefficient of x in equation 2; Coefficient = -3

3. Multiply equation 1 by 3

3(2x + 3y = 25)

6x +9y = 75

4. Multiply equation 2 by 2

2(-3x + y = 22)

-6x + 2y = 44

5. Add both resulting equations

6x +9y = 75  +  -6x + 2y = 44

6x - 6x + 9y + 2y = 75 + 44

11y = 75 + 44

Notice that x has been eliminated;

4 0
3 years ago
Read 2 more answers
Which matrix represents the system of equations shown below?
Kazeer [188]

So matrix which show equation 4x+2y=4 is  \left[\begin{array}{ccc}4&2&4\\12&-1&26\end{array}\right] .

Given that we have an equation that is 4x+2y=4

So equation is a statement that the values of two mathematical expressions are equal (indicated by the sign =).

So in order to write this equation in matrix form we have to write it into augmented matrix

So augmented matrix is a matrix whose elements are the coefficients of a set of simultaneous linear equations with the constant terms of the equations entered in an added column.

Therefore the matrix will be:

\left[\begin{array}{ccc}4&2&4\\12&-1&26\end{array}\right]    .

Learn more about augmented matrix on brainly.com/question/16796667

#SPJ9

5 0
1 year ago
Please answer the questions
Naily [24]

Answer:

1/18

Step-by-step explanation:

( {2}^{ - 3}  \times  {16}^{ \frac{1}{2} } ) \div ( {81}^{ \frac{3}{4} }  \times  {27}^{  - \frac{1}{3} } ) \\  \\  =( {2}^{ - 3}  \times  {2}^{ \frac{4 \times 1}{2} } ) \div ( {3}^{ \frac{4 \times 3}{4} }  \times  {3}^{  - \frac{3 \times 1}{3} } ) \\  \\=( {2}^{ - 3}  \times  {2}^{ 2} ) \div ( {3}^{ 3 }  \times  {3}^{  - 1 } ) \\  \\=( {2}^{ - 3 + 2} ) \div ( {3}^{ 3 - 1 }  )  \\  \\  =  {2}^{ - 1}  \div  {3}^{2}  \\  \\  =  \frac{1}{2}  \times  \frac{1}{9}  \\  \\  =  \frac{1}{18}

5 0
3 years ago
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