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eimsori [14]
3 years ago
11

Graph the parobola. y=4x^2-7

Mathematics
1 answer:
Charra [1.4K]3 years ago
7 0

Answer:

Step-by-step explanation:

y=4x^2-7

vertex(0,-7)

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klasskru [66]
It should be 8/5 cause 4/5 times 24/12= 4/5 times 2/1. then u multiply.
4 0
3 years ago
I don't know this please help no links Brainliest
Nutka1998 [239]

Answer:

answer is 2.5

Step-by-step explanation:

rise over run

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2.5

6 0
3 years ago
Which of the following is an example of a subset? The number of IT employees out of all employees working in an office of Google
marta [7]

Answer:

The number of IT employees out of all employees working in an office of Google

Step-by-step explanation:

The answer is the first one, because the rest Just describes a group of People, a subset is a part of a larger group of related things, while the others describes just a group of people, the first one which is the answer describes a group of people that's part of a larger group of people,

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4 0
3 years ago
A noted psychic was tested for extrasensory perception. The psychic was presented with 2 0 0 cards face down and asked to determ
Natasha2012 [34]

Answer:

C. P- value < 0.04 0.05

Step-by-step explanation:

hello,

we were given the sample size, n = 200

also the probability that the psychic correctly identifies the symbol on the 200 card is

p=\frac{50}{200}= 0.25

using the large sample Z- statistic, we have

Z=\frac{p- 0.20}{\sqrt{0.2(1-0.2)/200} }

   = \frac{0.25-0.20}{\sqrt{0.16/200}}

    = 1.7678

thus the P - value for the hypothesis test is P(Z > 1.7678) = 0.039.

from the above, we conclude that the P- value < 0.04, 0.05

3 0
4 years ago
Who can explain to me what is sample space probobility<br> 15 POINTS!!!
DIA [1.3K]

a sample space, , which is the set of all possible outcomes.

A set of events , where each event is a set containing zero or more outcomes.

The assignment of probabilities to the events; that is, a function from events to probabilities.

pls make me brainlyest have a good day

4 0
3 years ago
Read 2 more answers
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