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Lyrx [107]
2 years ago
13

Which of the following is the equation of a direct variation that has a constant of variation equal to - 1/2?

Mathematics
1 answer:
Sliva [168]2 years ago
3 0
The answer of the question is c
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Rearrange formula to make x subject y=x²-2​
Pavel [41]

Answer:

x=sqrt(y+2), -sqrt(y+2)

Step-by-step explanation:

y=x^2-2

x^2=y+2

x=sqrt(y+2), -sqrt(y+2)

6 0
3 years ago
Please help me on this I need help and nobody is really helping
Nady [450]
I believe the answer is (0,0)
3 0
3 years ago
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Jerry has taken a random sample of students and determined the number of electives that each student in his sample took last yea
loris [4]
The sample proportion of the the students that took fewer than the mean number of electives is given by the number of people who took less that the mean number of electives (i.e. 7.63) divided by the total number of students in the sample (i.e. 19). The total number of people who took less than 7.63 electives is 10. Therefore, the required sample proportion is 10 / 19.

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6 0
3 years ago
X+2y=12. what does x equal​
PilotLPTM [1.2K]

Answer:

x = -2y + 12

Step-by-step explanation:

Let's solve for x.

x + 2y = 12

Step 1: Add -2y to both sides.

x + 2y + −2y = 12 + −2y

x = −2y + 12

4 0
3 years ago
a 10-foot section of a certain rope weighs 8 ounces. What is the length, in feet, of a section that weights 3 pounds? can you pl
Ostrovityanka [42]
Create and solve an equation of ratios:

10 ft       8 oz
-------  =  -------
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Then 480 = 8x, and x = 60 ft   (answer)
6 0
3 years ago
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