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777dan777 [17]
3 years ago
14

For each of the following, decide whether the description fits the SD or the SE.

Mathematics
1 answer:
Anna71 [15]3 years ago
3 0
The answer is B because the quantity tends to stay the same as the sample goes up
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2/9 of students in a school are in 6th grade, how many 6th graders are there if the school has 90 students?
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20 of the students would be 6th graders, hope that helps!
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3 years ago
A farmer who has fixed amounts of land and capital finds that total product is 24 for the first worker hired, 32 when two worker
ruslelena [56]

Answer:

A. 8.

Step-by-step explanation:

The marginal product is the increase in output (units produced) resulting from employing one more worker. Therefore, the marginal product of the second worker (M2) is given by the difference between the total product with two workers and the total product with one worker.

M_2 =32-24\\M_2 =8

The answer is A. 8.

6 0
3 years ago
Determine the slope and y-intercept of the graph to the right
LekaFEV [45]
The slope is a negative slope and the y-intercept is (0,2).
5 0
2 years ago
WILL GIVE BRAINLIEST! Show that diagonals of MNPQ are congruent if M (3, 2), N(3, –1), P(7, –1), and Q(7, 2). Provide your compl
Tcecarenko [31]

Answer:

Yes the Diagonals are congruent

Step-by-step explanation:

Show that diagonals of MNPQ are congruent if M (3, 2), N(3, –1), P(7, –1), and Q(7, 2)

We are given the coordinates if a quadrilateral.

The first step would be to find the length of the sides of the quadrilateral, using the formula

√(x2 - x1)² + (y2 - y1)²

When given coordinates (x1, y1) , (x2, y2)

M (3, 2), N(3, –1), P(7, –1), and Q(7, 2)

For MN

M (3, 2), N(3, –1),

=√(3 - 3)² + (-1 -2)²

= √0² + -3²

= √9

= 3

For NP

N(3, –1), P(7, –1)

=√(7 - 3)² +(-1 - (-1))²

= √4² + 0²

= √16

= 4

For PQ

P(7, –1), and Q(7, 2)

=√(7 - 7)² +(2 - (-1))²

= √0² + 3²

= √9

= 3

For MQ

M (3, 2),Q(7, 2)

= √(7 - 3)² + (2 - 2)²

= √4² + 0²

= √16

= 4

From the above solution,

We can see that

Side NP = Side MQ

Side PQ = Side MN

Hence this Quadrilateral is as Rectangle

Side PQ = Side MN = Width = 3

Side NP = Side MQ = Length = 4

To find out if their diagonals are congruent we make use of Pythagoras Theorem

Diagonal is the line that divides a quadrilateral into 2 halves

Width 3, Length = 4

= W² +L² = Diagonal ²

= 3² + 4² = D²

= 9 + 16 = D²

= √25 = D

D = 5

Since the Width and Length are the same for the other side, the diagonal would also be equal to 5

Therefore, their diagonals are congruent i.e they are the same

6 0
3 years ago
Use the graph at the right to determine whether each system has no solution, one solution, or infinitely many solutions.
Fynjy0 [20]
The answer 4.4 I just did it on edge
6 0
3 years ago
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