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Rudik [331]
3 years ago
14

Please help ill give brainliest!! Im terrible at math :( What is: 3 divided by \frac{1}{4} ?

Mathematics
2 answers:
Ghella [55]3 years ago
3 0

Answer:

12

Step-by-step explanation:

3 ÷ 1/4

Copy dot flip

Keep the first number, change the divide to multiply and take the reciprocal of the 2nd number

3 * 4/1

12

Stolb23 [73]3 years ago
3 0

Answer:

12

Step-by-step explanation:

turn 3 into a fraction which would be 3 over 1

then you flip the 1 over four and multiply it by 3 over 1 and you have the answer

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Which equation could be solved using the graph above?
Oduvanchick [21]

Answer:

Option b is the correct answer

Step-by-step explanation:

The graph in the picture is the graph of a quadratic equation and it takes the shape of a parabola.

The points on the x axis through which the parabola cuts across is used to determine the solution of the quadratic equation.

Looking at the parabola formed from the plotted points, it cuts the x axis at

x = -1 and x= -2

These are the factors of the equation. To get the equation, we multiply the factors.

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The equation is (x+1)(x+2)

Expanding the brackets,

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Option b is the correct answer

6 0
3 years ago
Determine if the graph is symmetric about the x-axis, the y-axis, or the origin. r = 5 cos 3θ
Aneli [31]
First of all get a picture of what this looks like. Desmos is a pretty good graphing program, but anything that will do polar coordinates will work. 

Here is the graph.

What you can see is that this graph is symmetrical around the x axis.

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In this case, the mirror will show symmetry along the x axis and no where else.

4 0
3 years ago
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Answer:

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Step-by-step explanation:

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creativ13 [48]
We add up all those numbers (excluding 30) and divide by the number of numbers (9). This results in 78.8 (round up to 79).

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riadik2000 [5.3K]

Answer: No, The goal when testing a hypothesis is to to guess a large significant level to possibly have the answer correct based upon evidence. False. It needs to be a large significant level

Step-by-step explanation:

8 0
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