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Murrr4er [49]
3 years ago
10

Brie knows there is a relationship between the grades on her math tests and the time she spends studying for those test. Identif

y the indepent quanntity and the dependent quantity in this problem situation
Mathematics
2 answers:
erma4kov [3.2K]3 years ago
8 0

Answer:

Time - independent variable

Score in test - dependent variable

Step-by-step explanation:

The relationship between Dependent and independent variables lies in the fact that, the outcome (dependent variable) relies on the value of the independent variable. Hence, the independent variable could be explained as a series of different possible values which has an effect on the value of the predicted variable. In an experiment, the dependent variable is predicted based on the input or value of the independent variable entered into the model.

Hence, in the scenario above, the study time could take up series of different possible values which could affect the score obtained in her tests. Hence, the test scores depends on the time dedicated to studying, making score obtained in test the dependent variable and the study time the independent variable.

Zanzabum3 years ago
7 0

Answer:

Independent Quantity: Time

Dependent Quantity: Grades

Step-by-step explanation:

Time is the independent quantity because time never stops. The independent quantity is the one that you don't control, it's free. You cannot control time and it is INDEPENDENT. This results in time being the independent quantity.

Grades is the dependent quantity because depending on time. The dependent quantity is the one that relies on the independent quantity which is time in this case. DEPENDING on how much time you spend studying, your grades will change.

Hope this helps! Please vote me as Brainliest. Good luck with whatever you are working on. Remember, cheating is never the answer. Do your best before seeking help. Have an amazing day!

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to prepare for a math test Eric study three times as long as Kendra and 1/2 as long as Geraldo. How long did Geraldo study if Ke
sp2606 [1]

Let

x---------> time in minutes used by Eric to study

y---------> time in minutes used by Kendra to study

z---------> time in minutes used by Geraldo to study

we know that

x=3y------> equation 1

x=0.5z

z=2x--------> equation 2

y=20 minutes --------> equation 3

substitute equation 3 in equation 1

x=3*20=60 minutes

find the value of z in equation 2

z=2*60=120 minutes

therefore

<u>the answer is</u>

The time in minutes used by Geraldo to study was 120 minutes

7 0
4 years ago
Kathryn is 1.6 meters tall. Convert her height to feet. Round to the nearest tenth.
Andrej [43]

Answer:

1.6 m = 5.3 ft

4 0
3 years ago
Betty has 32 ribbons. She gave .25 to sherry and gave .5 to Marcy. She kept the remaining. How many ribbons did each girl have?
xeze [42]
Marcy- 16
sherry-8
betty-8
7 0
4 years ago
Mark transferred songs from his computer onto his portable music player. He transferred 2 6/7 songs in 1 2/3 minutes. How many s
Stells [14]
Its 2 6/7 divided by 1 2/3
change to improper farctions:-

=   20 / 7  /    5/3

= 20/7 * 3/5

=  60/35

=   12/7  

= 1 5/7 songs per minute
5 0
4 years ago
Please help me solve this
seropon [69]

9514 1404 393

Answer:

  103°

Step-by-step explanation:

The law of sines tells you ...

  sin(C)/c = sin(A)/a

  sin(C) = (c/a)sin(A)

  C = arcsin(c/a·sin(A)) = arcsin(37/19·sin(30°)) ≈ 180° -76.8° ≈ 103°

Obtuse angle C is about 103°.

5 0
3 years ago
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