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galina1969 [7]
3 years ago
9

Some students reported how many pets they had. The dot plot shows the data collected: A dot plot is titled Students Pets and lab

eled Number of Pets. The values on the horizontal line are 0, 1, 2, 3, and 4. There are 5 dots above 0, 4 dots above 1, 3 dots above 2, 2 dot above 3, and 1 dot above 4. What do the dots above the number 3 indicate?
A. There are exactly 2 students with 3 pets.

B. There are exactly 3 students with 2 pets.

C. There are exactly 2 students with more than 3 pets.

D.There are exactly 3 students with more than 2 pets.
Mathematics
1 answer:
hichkok12 [17]3 years ago
4 0

Answer:B

Step-by-step explanation:I just know

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Given the median line QR and trapezoid MNOP, what is the value of x? MN=17 QR=x+12 OP=5x-14
kari74 [83]
<u><em>Answer:</em></u>
x = 7
MN (first base) = 17 units
OP (second base) = 21 units
QR (median) = 19 units

<u><em>Explanation:</em></u>
In a trapezium, the length of the median is equal to half the sum of the two bases.

<u>From the given, we have:</u>
MN (first base) = 17 units
OP (second base) = 5x - 14 units
QR (median) = x + 12 units

<u>Applying the above rule:</u>
median = 0.5 (first base + second base)
x + 12 = 0.5 (17+5x-14)
2(x+12) = 17+5x-14
2x + 24 = 3 + 5x
24-3 = 5x-2x
21 = 3x
x = \frac{21}{3}
x = 7

<u>Based on the above, the lengths would be:</u>
MN (first base) = 17 units
OP (second base) = 5x - 14 = 5(7) - 14 = 21 units
QR (median) = x + 12 = 7 + 12 = 19 units

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