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dangina [55]
2 years ago
7

A direct variation equation is graphed. The point (6, 4) is on the graph. Which of the following points are also on the graph of

the equation?
(3, 2)

(-9, -6)

(-12, 8)

(-6, -3)
Mathematics
1 answer:
zubka84 [21]2 years ago
6 0

The value of y / x = 4/6 or 2/3.

So checking the 4 choices the point (3, 2) gives this value and is one of the required points.

Also ( -9, -6) gives y/x = -6/-9 = 2/3 is another answer.

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Some cows are brown. Fido is not a cow. Fido must be brown.
Lina20 [59]

Answer:

B.) Invalid Argument

Step-by-step explanation:

Just because Fido is not a cow does not mean that he will automatically be brown. It is already stated that some cows(something Fido is not) are colored brown.

8 0
2 years ago
Read 2 more answers
You look over the songs in a jukebox and determine that you like 1414 of the 5252 songs. ​(a) What is the probability that you l
enyata [817]

Answer:

Step-by-step explanation:

given that you look over the songs in a jukebox and determine that you like 14 of the 52 songs

Here each song is independent of the other song

i.e. p = Probability that you like any song =\frac{14}{52} =0.2692

q = Prob you do not like = 1-0.2692 = 0.7308

a) the probability that you like the next four songs that are​ played

=0.2692^4\\=0.00525

b) the probability that you do not like the next four songs that are​ played

=0.7308^4\\=0.2852

3 0
3 years ago
((Use the graph shown below to fill in the blank.))
Valentin [98]
The point (4,y) has a known x coordinate of x = 4. The y coordinate is unknown right now so we'll just call it y.

Draw a vertical line (see side note below) through 4 on the x axis. I've done so in red (see attached image). The red line crosses the graph at the point (4,1) so this tells us that y = 1

Answer: y = 1

Side Note: you don't have to draw a vertical red line but it's handy to see how it works out. After you get used to these types of problems, you can visually be able to see the answer without these extra lines. 

6 0
3 years ago
Find each absolute value<br><br>| 4+2i |<br><br>| 5-i |<br><br>| -3i |
galina1969 [7]

How to get answer for number 1: | 4+2i |

\left|a+bi\right|\:=\sqrt{\left(a+bi\right)\left(a-bi\right)}=\sqrt{a^2+b^2}\\\mathrm{With\:}a=4,\:b=2\\=\sqrt{4^2+2^2}\\Refine\\=\sqrt{20}\\\sqrt{20}=2\sqrt{5}\\=2\sqrt{5}

How to get answer for number 2: | 5-i |

\left|a+bi\right|\:=\sqrt{\left(a+bi\right)\left(a-bi\right)}=\sqrt{a^2+b^2}\\\mathrm{With\:}a=5,\:b=-1\\=\sqrt{5^2+\left(-1\right)^2}\\=\sqrt{26}

Number 3 how to get answer: | -3i |

\left|a+bi\right|\:=\sqrt{\left(a+bi\right)\left(a-bi\right)}=\sqrt{a^2+b^2}\\\mathrm{With\:}a=0,\:b=-3\\=\sqrt{0^2+\left(-3\right)^2}\\Refine\\=\sqrt{9}\\\sqrt{9}\\\mathrm{Factor\:the\:number:\:}\:9=3^2\\=\sqrt{3^2}\\\mathrm{Apply\:radical\:rule}:\quad \sqrt[n]{a^n}=a\\\sqrt{3^2}=3\\= 3

4 0
2 years ago
Read 2 more answers
What’s the solution of y= 3x-1 and y= 3x+4
julia-pushkina [17]

Step-by-step explanation:

solution ? you mean where both lines cross each other ?

these are 2 parallel lines (same slope, but different y-intercept), so they never cross each other.

there is no solution.

formally :

3x - 1 = 3x + 4

-1 = 4

this is wrong. therefore there is no solution.

3 0
2 years ago
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