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3 years ago

Which equation represents a line with an undefined slope? y = x y = –x y = 0 x = 0

Mathematics

2 answers:

malfutka [58]3 years ago

7 0

Answer:

x=0

Step-by-step explanation: If x=0, then two points on the graph can be (0, 6) and (0,0). using those two points, you can say the slope is 6/0, which is undefined

zzz [600]3 years ago

4 0

Answer: x=0 i believe correct me if im wrong

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Is this relation a function?

AleksandrR [38]

Yes the relation is a function

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3 years ago

50 people purchase item 5(the item 5 cost $18.94) seven of these customers use a coupon for 15% off. how much money do you make

andrezito [222]

Answer:

$927.113

Step-by-step explanation:

50-7=43

43×18.94=814.42

100-15=85

100%=18.94

what about 85%

85×18.94=1609.9÷100=16.099

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2 years ago

It costs y dollars to buy x cans of tomatoes. What is the constant of proportionality?

svlad2 [7]

Answer

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Step-by-step explanation:

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3 years ago

Pls answer 18 20 and 22 show your work

Svetlanka [38]

Answer:

18- 300

20- 1,500

22- 300

Step-by-step explanation:

You can easily find the answer like this:

18. Multiply 60 and 100 together. The hundred is from 100%. After that, divide it by 20 because of the percent. After doing this, you should get 300.

20. 360*100=36,000 36,000/24= 1,500

22. 9*100=900 900/3=300

I hope this is what you were looking for. If you need more out of this, ask me to answer it again. :)

5 0

3 years ago

Find the constant of variation for the relation and use it to write an equation for the statement. Then solve the equation.

hammer [34]

Answer: option d.

Step-by-step explanation:

If y varies directly as x and z, the form of the equation is:

$y=kxz$

Where k is the constant of variation.

If y=4 when x=6 and z=1 then substitute these values into the expression and solve for k:

$4=k(6)(1)\\4=6k\\k=\frac{4}{6}\\\\k=\frac{2}{3}$

Substitute the value of k into the expression. Then, the equation is:

$y=\frac{2}{3}xz$

To find the value of y when x=7 and z=4, you must substute these values into the equation. Therefore you obtain:

$y=k=\frac{2}{3}(7)(4)$

$y(7,4)=\frac{56}{3}$

5 0

3 years ago

Read 2 more answers