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Amiraneli [1.4K]
3 years ago
6

EVALAUTE: 5|7 - 9| - 2= a. -12 b. 0 c. 1 d. 8

Mathematics
1 answer:
alexandr1967 [171]3 years ago
3 0
It’s d!!!!!!!!!!!!!!
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What is the answer to 2/3 of 5
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Answer:

3.333333333333...

Step-by-step explanation:

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3 years ago
In 20 seconds, a roller coaster goes up a 100-meter hill, then down 72 meters, and then back up a 48-meter rise. What integer re
Finger [1]

The question is an illustration of arithmetic operations.

The integer that represents the vertical rise is 76

<em>Upward movements are represented with positive, while downward movements are represented with negative.</em>

<em />

So, the given parameters are:

Up = 100m

Down = -72m

Up= 48m

The vertical rise is:

Rise = Up_1 + Down + Up_2

So, we have:

Rise = 100m -72m +48m

Rise = 76m

Hence, the integer that represents the vertical rise is 76

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3 years ago
a researcher sets out to measure drug use on US college campuses by asking a representative sample of undergraduates whether the
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Based on the information given, it can be noted that the problem with the research is the problem of validity.

<h3>Problems with validity.</h3>

It should be noted that in a research, a problem with validity takes place when there's a lack of reliability of the independent variable.

Also, it is a result of lack of representativeness of the independent variable and a lack of impact of the independent variable.

In this case, the researcher sets out to measure drug use on US college campuses by asking a representative sample of undergraduates whether they are currently receiving federal grants or loans. It should be noted that the question asked doesn't relate to the research.

In conclusion, there's a problem with validity.

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5 0
2 years ago
The expression can be used to predict the height of a plant in days. Where is the rate in centimeters that that plant grows per
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Answer:

37.5 cm

Step-by-step explanation:

x = days

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f(5) = 7.5 + 30

f(5) = 37.5

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3 years ago
Who was the 4th president of the United States​
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Answer:

James Madison

Step-by-step explanation:

5 0
3 years ago
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