A certain been plant grows 15% in height each day. Today after 10 days it is 27 inches tall. How tall was it yesterday?
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Am solving this problem correct
A square quilt for a child’s bed has a border made up of 44 pieces with an area of x each, and 4 small squares with an area of 1 square inch each. The main part of the quilt is made of 121 squares with an area of x 2 each. Find an expression for the area of the quilt.
What is the slope of this table?
the line passing through the points A (-1,3k) and B (k , 3) is parallel to the line whose equation is 2y+3x=9. write down the co-ordinates of A and B
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Answer
3
Explanation
When looking for the quartiles of any data, you first arrange the data in ascending order.
The lower quartile of a data is the median of the lower half of that data.
The data in the question is already in ascending order.
The lower quartile is the value that is in (1/4)th position.
1/ 4 × 11 = 2.75th position.
This digit is between 2nd position and 3rd position but nearer 3rd position.
0, 1, 3, 3, 4, 4, 4, 5, 6, 6, 8.
So we take the lower quartile to be in the 3rd position.
Answer is 3.
Answer:
3 is the answer
Step-by-step explanation:
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Answer:
y = 3/4 + 3/2
Step-by-step explanation:
Slope = 3/4
Solve for y-int.
0 = 3/4(-2) + b
-3/2 + b = 0
b = 3/2
y = 3/4x +3/2
A) QR = 8
B) QR = -9
C) QR = 9
D) QR = 18
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Answer: choice D) 18
Explanation:
M is the midpoint of QR, so QM = MR, meaning that the two smaller pieces are equal (the two pieces combine back to QR)
Use substitution and isolate x
QM = MR
2x+5 = 5x-1
2x-5x = -1-5
-3x = -6
x = -6/(-3)
x = 2
If x = 2, then QM is
QM = 2x+5 = 2*2+5 = 9
and MR is
MR = 5x-1 = 5*2-1 = 9
both are 9 units long. Both are the same length as expected, so this helps confirm the answer.
The last thing we do is add up the two pieces QM and MR to get the length of QR. This is using the segment addition postulate.
QR = QM + MR
QR = 9 + 9
QR = 18
note: a negative length is never possible in any situation, so you can immediately eliminate choice B from the list of possible answers without even doing any math.