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neonofarm [45]
3 years ago
9

How do you graph y+2=1/5(x=1)

Mathematics
1 answer:
Vlad1618 [11]3 years ago
8 0
First, simplify the equation by subtracting two from both sides. 
You should get the equation: y=1/5x-1

Start by finding the y=intercept, -1, on the y-axis (hint that's the one going left and right)

Remember that the equation for slope is rise/run. 

The slope for this particular equation is 1/5. From the point -1, go up one unit to (0,0) (It's the origin, the middle of the graph) and over to the right five units to (5,0). Keep going the that pattern, up one, over to the right five until you have plotted 3+ points. Remember that the line should start down on the left side and up on the right side because it is positive. 

Lastly, get a straight edge and connect the points. Make sure to extend the line all the way across the graph and add arrows at the end of the line!

Have a good day!


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(-5y^2-9y-4)-(-2y^2-y+8)
Naddika [18.5K]

Answer:

−3y2−8y−12

Step-by-step explanation:

Let's simplify step-by-step.

−5y2−9y−4−(−2y2−y+8)

Distribute the Negative Sign:

=−5y2−9y−4+−1(−2y2−y+8)

=−5y2+−9y+−4+−1(−2y2)+−1(−y)+(−1)(8)

=−5y2+−9y+−4+2y2+y+−8

Combine Like Terms:

=−5y2+−9y+−4+2y2+y+−8

=(−5y2+2y2)+(−9y+y)+(−4+−8)

=−3y2+−8y+−12

5 0
3 years ago
Read 2 more answers
We want to have a survey and ask people working for IT companies if they prefer Skype to mobile phones for making calls. We want
weqwewe [10]

Answer:

For this case we want to test if in IT companies more than 20% of employees prefer to use Skype rather than a mobile phone (alternative hypothesis) and the complement would be the the null hypothesis. So then the system of hypothesis are:

Null hypothesis: p =0.2

Alternative hypothesis: p >0.2

And for this case we should use a righ tail test based on the alternative hypothesis.

Step-by-step explanation:

Previous concepts

A hypothesis is defined as "a speculation or theory based on insufficient evidence that lends itself to further testing and experimentation. With further testing, a hypothesis can usually be proven true or false".  

The null hypothesis is defined as "a hypothesis that says there is no statistical significance between the two variables in the hypothesis. It is the hypothesis that the researcher is trying to disprove".  

The alternative hypothesis is "just the inverse, or opposite, of the null hypothesis. It is the hypothesis that researcher is trying to prove".  

Solution to the problem

For this case we want to test if in IT companies more than 20% of employees prefer to use Skype rather than a mobile phone (alternative hypothesis) and the complement would be the the null hypothesis. So then the system of hypothesis are:

Null hypothesis: p =0.2

Alternative hypothesis: p >0.2

And for this case we should use a righ tail test based on the alternative hypothesis.

6 0
3 years ago
Please help with this math question I really need to do this test before I fail thank you!!
aleksandr82 [10.1K]

Answer:

G- 1/5

Step-by-step explanation:

When doing probability questions, you want to take the amount of what you are looking for and put it over the total. In this case, the total amount of t-shirts would be 15. If we are looking for the sports t-shirts, the fraction would be 3/15, which then simplifies down to 1/5.

Hope this helps! :)

4 0
3 years ago
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Buddy has 3 $1.00 bills.5 quarters and 4 dimes He sent 3.70 on lunch how much money does he have left​
evablogger [386]

Answer:

He started with $4.65.

so 4.65-3.70= .95

Buddy has $0.95 left.

Hope this helps! Please mark as brainliest!!! xx :)

Have a fantastic day!!

Step-by-step explanation:

6 0
4 years ago
The next term in 3, 12, 48, 192,768,...
geniusboy [140]

3 * 4 = 12

12 * 4 = 48

48 * 4 = 192

192 * 4 = 768

The next number in the sequence is  the previous number multiplied by 4:

The next number would be 768 x 4 = 3072

3 0
4 years ago
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