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notka56 [123]
4 years ago
9

A ___ is obtained by dividing the population into groups and selecting all individuals from within a random sample of the groups

.
Mathematics
1 answer:
makkiz [27]4 years ago
4 0

Answer:

cluster

Step-by-step explanation:

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Tan 45 * cos 45 + tan 30 * tan square 60​
slavikrds [6]

Answer:

Regroup Terms: cos 45 tan 45x + tan​^2​​ tan 30x, 60

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3 years ago
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Which transformation could not male trapezoid 1 to trapezoid 8
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Step-by-step explanation:


5 0
3 years ago
Trina planted plants in her garden last week. She planted twice as many cucumbers as zucchini and eight more tomatoes than cucum
maxonik [38]

Answer:

7 Zuchini, 14 Cucumbers and 22 Tomatoes plants.

Step-by-step explanation:

  • Let the number of tomatoes=t
  • Let the number of cucumber planted=c
  • Let the number of zucchini planted=z
  • Total Number of Plants=43

She planted twice as many cucumbers as zucchini, this is written as:

  • c=2z

She also planted eight more tomatoes than cucumbers, this is written as:

  • t=c+8=2z+8

In total, she planted 43 plants

Therefore:

z+(2z)+(2z+8)=43

5z+8=43

5z=43-8

5z=35

Divide both sides by 5

z=7

Number of Cucumbers, c=2z=2 X 7 =14

Number of Tomatoes, t=c+8=14+8=22

Therefore, she planted 7 Zuchini, 14 Cucumbers and 22 Tomatoes plants.

3 0
3 years ago
Simplify the following ​the question 2
Ainat [17]
Question two simplified is this :)

5 0
3 years ago
What is an equation of the line that passes through the points (6,5) and (7,7)
Morgarella [4.7K]

Answer:

The slope of the line is m = 2.

The y-intercept is (0,7).

The equation of the line in the slope-intercept form is y = 2 x - 7.

Step-by-step explanation:

The slope of a line passing through two points P = \left(x_{1}, y_{1}\right) and Q = \left(x_{2}, y_{2}\right)

is given by  m=\frac{y_{2}-y_{1}  }{x_{2} -x_{1} }

We have that x_{1} = 6 , y_{1} = 5y , and y_{2} =7.

Plug the given values into the formula for a slope: m=\frac{7-5}{7-6} =2.

Now, the y-intercept is b=y_{1} -mx_{1} (or b =y_{2} -mx_{2}, the result is the same).

b=5-(2)*(6)=-7

Finally, the equation of the line can be written in the form y=b+mx:

y=2x-7

8 0
2 years ago
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