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garik1379 [7]
2 years ago
14

PLEASE ANSWER ASAP!!!!

Mathematics
1 answer:
matrenka [14]2 years ago
8 0

Answer:

68

Step-by-step explanation:

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A school paid $31.25 for each calculator.
Sonja [21]

Answer:

500/31.25=16

Step-by-step explanation:

The school bought 16 calculators

4 0
2 years ago
Which expression is equal to p + (q + r)?
Svetach [21]
The answer should be a) (p+q)*r
7 0
3 years ago
what are the two major advantages of experimental research over correlational studies? multiple select question. experiments are
Aloiza [94]

The experimental research has two key advantages over correlational studies.

1. The possibility of random assignment

2. Causal connections can be assumed.

<h3>What benefit does experimental research have over correlational research?</h3>

Correlational studies merely examine the data that already exists, whereas experimental studies give the researcher the opportunity to influence the study's factors. Researchers can make inferences about how changes in one variable affect changes in another through the use of experimental investigations.

The factors in a correlation study are out of the control of the researcher or research team. The researcher merely measures the information she discovers in the outside world. She can then determine whether changes in one are related to changes in the other, or if the two variables are correlated. In such a study, experimenters gather existing data and use statistical methods to examine it, such as economic statistics from governments. The findings of correlation studies can lead to hypotheses that can be verified through a more focused experimental one.

To learn more about correlational research visit:

brainly.com/question/14375687

#SPJ4

4 0
1 year ago
A point is reflected across the y axis the new point is located at -4.25,-1.75 write the order pair that represents the original
Naya [18.7K]

Answer:

(4.25, - 1.75)

Step-by-step explanation:

Under a reflection in the y- axis

a point (x, y ) → (- x, y ), thus

(- 4.25, - 1.75 ) → (4.25, - 1.75 ) ← original point



5 0
3 years ago
Why do you cross-multiply when you solve proportions?
Llana [10]

Answer:  The reason you cross multiply fractions is to compare them. Cross multiplying fractions tells us if the two fractions are equal or which one is greater. This is especially useful when you are working with larger fractions that you aren't sure how to reduce.

It works cause they have the same denominator

bruh

5 0
3 years ago
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