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ivann1987 [24]
3 years ago
11

A. A survey of 300 students showed that 225 of them drove to school. B. A survey of 220 students showed that 154 of them drove t

o school. C. A survey of 100 students showed that 65 of them drove to school. D. A survey of 440 students showed that 330 of them drove to school. In math class 4 students complete individual surveys to determine the percentage of high school students that drive to school. Which two surveys show proportional results? A) A and B B) B and D C) A and D D) B and C
Mathematics
2 answers:
Alisiya [41]3 years ago
7 0
I think that the answer is A) A and B if I am wrong I'm sorry
lozanna [386]3 years ago
4 0

it is c)

A and D

thats the answer

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Step-by-step explanation:


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3 years ago
A triangle has vertices at (-9,2), (-9,-6), (-3,-6). What is the perimiter of the triangle in units?
vladimir2022 [97]

Answer:

The perimeter is 24 units

Step-by-step explanation:

Given

A = (-9,2) --- (x_1,y_1)

B = (-9,-6) --- (x_2,y_2)

C = (-3,-6) --- (x_3,y_3)

Required

Determine the perimeter

To do this, we calculate the distance AB, BC and AC.

Distance is calculated as:

d = \sqrt{(x_1 - x_2)^2 + (y_1 - y_2)^2

So, we have:

AB = \sqrt{(-9 - -9)^2 + (2 - -6)^2

AB = \sqrt{64

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3 0
3 years ago
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