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mixas84 [53]
3 years ago
5

Suppose y varies with x. When x is -2, y is 10. Write the equation that relates x and y

Mathematics
1 answer:
Blababa [14]3 years ago
8 0

Answer:

-x : y/2

Step-by-step explanation:

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What is the value of x if...<br> 9x - 4 - 4x = 8 + 3x
Ierofanga [76]

Hello!

Answer:

x=6

Step-by-step explanation:

Hope this helps!

7 0
2 years ago
the ratio of coloured papers to white papers is 3.8 if there are 48 white papers how many coloured papers are there​
Talja [164]
3:8
Colored papers: white papers
White papers: 48
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6 0
3 years ago
A student randomly draws a card from a standard deck and checks to see if it is his favorite suit he then returned to card to th
tensa zangetsu [6.8K]

Answer:

The binomial probability formula can not be used for this experiment because it does not state the number of times he expects to draw his favorite suit.  

Step-by-step explanation:

The binomial probability formula is expressed as follows:

P (k success in n trials) = \left \{ {{n \atop k} \right. p^{k}q^{n-k}

n = number of trials, k = number of successes, n-k = number of failures, p = probability of success in one trial and q = 1 - p = probability of failure in one trial.  

In the given problem, all of the variables are known except for 'k', the amount of times that the student predicts he will draw his favorite suit.  

8 0
3 years ago
Jackson says has an odd number of model cars.he has 6 cars on one shel and 8 cars on another shelf.is jackson correct?explain
grigory [225]
No. It's rather simple, down to addition. Ask yourself, what does 6 + 8 equal? 6 + 8 = 14. Now is this an odd number? No, 14 is an even number.

I hope this helps! If not I'm sorry. 
4 0
3 years ago
find the point on the terminal side of θ = negative three pi divided by four that has an x coordinate of negative 1
Mila [183]
Check the picture below, is a negative angle, thus, is going "clockwise"

\bf tan(\theta)=\cfrac{opposite}{adjacent}\qquad tan\left( -\frac{3\pi }{4} \right)=\cfrac{y}{x}\implies  tan\left( -\frac{3\pi }{4} \right)=\cfrac{y}{-1}&#10;\\\\\\&#10;-1\cdot  tan\left( -\frac{3\pi }{4} \right)=y\implies -1\cdot \cfrac{sin\left( -\frac{3\pi }{4} \right)}{cos\left( -\frac{3\pi }{4} \right)}=y&#10;\\\\\\&#10;-1\cdot \cfrac{-1}{-1}=y\implies -1

4 0
3 years ago
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