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-Dominant- [34]
2 years ago
8

Helppp !! what is the domain of the function shown in the table?

Mathematics
1 answer:
Ugo [173]2 years ago
8 0

Answer:

D is the correct answer i think

Step-by-step explanation:

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Which shape shown has only ONE line of symmetry? A) circle B) rectangle C) isosceles trapezoid D) equilateral triangle
Elena L [17]
Triangle is the final answer
6 0
3 years ago
In a recent​ study, volunteers who had 8 hours of sleep were three times more likely to answer questions correctly on a math tes
Shalnov [3]

Answer:

Step-by-step explanation:

Sleep Deprivation

In a recent study, volunteers who had 8 hours of sleep were three times more likely to answer correctly on a math test than were sleep-deprived participants.

(a) Identify the sample used in the study.

(b) What is the sample's population?

(c) Which part of the study represents the descriptive branch of statitics?

(d) Make an inference based on the results of the study?

Solution

A. The samples used is the hours of sleep and math test scores of the volunteers

B. The samples population is hours of sleep and math test scores of people in general

C. The part of the study that represent the descriptive branch of statistics is "three times more likely"

D.Inference: To perform well in a math test, a person should get at least 8 hours of sleep the night before.

3 0
3 years ago
Which statement is true about the difference 2 square root of 7 − square root of 28 ?
boyakko [2]

I'll go slow:

2\sqrt 7 - \sqrt{28}

=2 \sqrt 7 - \sqrt{4 \cdot 7}

=2 \sqrt 7 - \sqrt{4} \cdot \sqrt{7}

=2 \sqrt7 - 2 \sqrt 7

=0

Answer: B  rational and equal to 0.

5 0
2 years ago
Whats the answer to this question
guapka [62]

Answer:

a=20

Step-by-step explanation:

7+13=20

20-7=13

8 0
3 years ago
Jenny says the two expressions 7a – 4 + 3a - 6 and 4a – 10 are<br> equivalent? Is she correct?
dusya [7]
Yes, substitute a=2.
14 - 4 + 6 - 6 = -2
8 - 10 = -2
5 0
3 years ago
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