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pantera1 [17]
3 years ago
6

Is the following statement true or false? Perpendicular lines do not intersect. true or false?

Mathematics
2 answers:
Svetlanka [38]3 years ago
5 0

Answer: false

Step-by-step explanation: the lines are always going to intersect

liberstina [14]3 years ago
4 0

Answer:

true

Step-by-step explanation:

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There are 9 teachers and 5 aides at the Hills Elementary School. What is the ratio of teachers to all adults?​
nexus9112 [7]

Answer:

C. \frac{9}{14} , 9:14 , or 9 to 14

Step-by-step explanation:

With there being 9 teachers and 5 aides, the total number of adults is 14, leaving a fraction of \frac{9}{14} , 9 teachers and 14 adults. Checking to simplify, there are no shared values by 9 and 14, so it is in it's simplest form.

7 0
3 years ago
What best describes index fossils
KonstantinChe [14]

Answer:

Index fossil, any animal or plant preserved in the rock record of the Earth that is characteristic of a particular span of geologic time or environment. A useful index fossil must be distinctive or easily recognizable, abundant, and have a wide geographic distribution and a short range through time.

Step-by-step explanation:

6 0
3 years ago
The placebo effect is an example of a(n) experimenter bias. participant bias. random assignment bias. random selection bias.
densk [106]

Answer:

participant bias

Step-by-step explanation:

Participant bias is sometimes called as subject bias. it is referred to as the tendency of a subject that forces them to act in an experiment. it is held because that they think researchers is looking up to them to act. it occurs only when the subject has detail knowledge about the study or project.

Participant bias is a subject initiative to know about the inner thought of the researcher so the subject acts according to what the researcher wants to hear.

4 0
3 years ago
How do I find the length of the sides of a right triangle?
RSB [31]

Answer:

A^2+B^2=C^2

Step-by-step explanation:

(A)^2+(B)^2+(A)+(B)+2Cos(a)=C^2

7 0
3 years ago
Read 2 more answers
If y varies directly as x, and y is 20 when x is 4, what is the constant of variation for this relation?
Ludmilka [50]

Answer:

Step-by-step explanation:

y = k*x                    This is the formula for a direct variation.

  • y = 20
  • x = 4                        Substitute these values into the direct variation

20 = 4 * k                        Divide by 4

20/4 = 4k/4

k = 5

Answer: the constant of variation is 5

7 0
2 years ago
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