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Vikentia [17]
2 years ago
15

Which is a solution for the following system of inequalities?

Mathematics
1 answer:
professor190 [17]2 years ago
6 0
It is (0,5). If you plug in 0 for x and 5 for y, then you will see that the inequalities are true.
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899 round to the nearest ten
algol [13]
900 because 9 is greater than 5 so it rounds to my answer.
6 0
2 years ago
Read 2 more answers
A cognitive psychologist would like to evaluate the claim that the omega-3 fatty acids can help improve memory in normal adult h
bogdanovich [222]

Answer:

(a)

  • Independent Variable- Dosage of Omega-3 Fatty Acids
  • Dependent Variable - Number of news item remembered

(b)Discrete

(c)Ratio Scale and Discrete Variable

(d) Experimental Method

Step-by-step explanation:

The psychologist wants to evaluate the claim that omega-3 fatty acids can help improve memory in normal adult humans.

(a)In the study, the participants in the two groups were given fish extracts containing Omega-3 (500 mg) and no Omega-3 (0 mg).

The memory test involves measuring the number of items each participant remembers from the past three weeks of news.

Therefore:

  • Independent Variable- Dosage of Omega-3
  • Dependent Variable - Number of news item remembered

(b) The dependent variable is discrete since the number of news items remembered can only be whole numbers.

(c)The independent variable is in milligrams of Omega-3 where the placebo is 0 mg. This is a ratio scale since it has an absolute zero.

Since the dosage is given in multiples of 50mg, it is a discrete variable.

(d)Since the psychologist seeks to manipulate the conditions of the study by introducing Omega-3 to some of the participants and placebo to other participants, it is an experimental distribution.

5 0
2 years ago
The side length of a 45-45-90 triangle are in the ratio 1:1:square2. What is tan 45 degrees?
Salsk061 [2.6K]

Answer:

B

Step-by-step explanation:

Took the test

3 0
2 years ago
What is a repeated addition expression for -4 times -2 plz I will give you 100 points
fenix001 [56]

I think :

(-4) + (-4) = -8

or

(-2) + (-2) + (-2) + (-2) = -8

but i am not sure

6 0
3 years ago
Read 2 more answers
Emma bystaxx that cost $8.48 she pays with a $10 bill how much change or does she get​
IRISSAK [1]

Answer:

She will get 1.52 back in change

Step-by-step explanation:

We need to subtract the amount of the purchase from the 10 dollars

I like to line it up vertically.

10.00

- 8.48

-------------

We need to borrow

9. 100

- 8. 48

-------------

And borrow again

9.9 10

- 8.4 8

-------------

1 . 5 2


She will get 1.52 back in change

6 0
3 years ago
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