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iren2701 [21]
3 years ago
8

These are the means and standard deviations for samples of heights from two kinds of trees. Tree A = Mean: 25ft = standard devia

tion: 5ft. Tree B = Mean: 60ft = Standard Deviation: 12ft
Mathematics
1 answer:
tatuchka [14]3 years ago
5 0

Answer:

mmmmmmm.............

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cuz i saw it on this other website and i am like 50% sure its correct 










7 0
3 years ago
Read 2 more answers
Can somebody help me with this please?
Svetach [21]
Multiply both sides by -4/7
x = 40 \times ( \frac{ - 4}{7} ) \\ x =  \frac{ - 160}{7}
7 0
3 years ago
Amanda recorded the temperatures at which two oils freeze:
lianna [129]

Answer:

Peanut oil freezes at a higher temperature than olive oil because 3.1 °C > –6.1 °C.

Step-by-step explanation:

Well since 3.1 is greater than -6.1 then it should be Peanut oil freezes at a high temperature. I did the test and I got it right. I hope you do to. :)

4 0
2 years ago
Jeff was on a bus full of campers. A group of 12 campers got out of the bus while 27 campers stayed inside. How many campers wer
umka21 [38]

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5 0
3 years ago
When constructing a perpendicular bisector why must the compass opening be greater than 1/2.
muminat

It is critical to open a compass with over half the way in order for the arcs formed to meet for perpendicular bisector.

<h3>What is perpendicular bisector?</h3>

A perpendicular bisector would be a line that cuts a line segment in half and forms a 90-degree angle at the intersection point. In other words, a perpendicular bisector separates a line segment now at midpoint, forming a 90-degree angle.

Now, consider an example;

When you wish to build a perpendicular line on a line segment, like line AB, you do the following;

  1. Set the compass on a radius more than half the length of the line AB.
  2. Using A as your center, draw an arc above and below line AB.
  3. With the same radius and B as our center, draw additional arcs on top or below line AB to join a first arcs on the both side of the line.
  4. Join the two arc intersections to cut line AB at M.

A line AB appears to be bisected perpendicularly as a result. The arcs would not have met if the compass is opened less than half way down line AB.

To know more about perpendicular bisector, here

brainly.com/question/7198589

#SPJ4

4 0
1 year ago
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