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Minchanka [31]
2 years ago
10

In general, what is the equation of a line that is parallel x-axis

Mathematics
1 answer:
trasher [3.6K]2 years ago
6 0

Answer:

y = n   n can be any number

Step-by-step explanation:

Any horizontal line is parallel to the x-axis

  y = n

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Determine whether y = -2x² - 3 is a function.
Alexus [3.1K]

Answer:yes

Step-by-step explanation:

5 0
1 year ago
Please help with this don’t understand please help with answers!
Papessa [141]

Answer:

  see attachment

Step-by-step explanation:

The directions tell you what you need to know. It is a matter of adding up the values shown and finding the missing number to make the total be -20. Of course, it works best to start with a row, column, or diagonal that has 4 numbers already.Then, you're only finding the 5th number.

You can start with either diagonal, column 1 or 4, and row 4 or 5. Filling the missing numbers in those spots (red) will let you find the remaining missing numbers (green, then blue).

The square at row 2, column 2 can be filled on the first round using the down-right diagonal. I have shown it as filled on the second round after row 5 column 2 is filled.

Using a spreadsheet can make this easier, because you can write formulas for the sums in each row, column, and diagonal. Then you're just making those sums be -20.

___

For example, consider the up-right diagonal. The sum of the given values, -6, 0, -4, -2, is -12. Then the spot at row 1, column 5 must be filled with -8 to make the sum be -20.

6 0
3 years ago
Explain how you know that x^2-8x+20 is always positive. <br> Please help.
IRISSAK [1]

Answer:

if you rearrange to complete the square, you get (x^2-4)^2 +4

and seeing as anything squared will always be positive or zero, the lowest possible value for (x^2-4)^2 is 0, when x = 4

and 0 + 4 = 4, which is greater than 0, so positive

Step-by-step explanation:

4 0
2 years ago
Using f(X)=x+2 and g(x)=10x-4 , what is f(2) + g(4) ?
Ksivusya [100]
F(2)+g(4)
evaluate them seperately
f(2)=2+2=4

g(4)=10(4)-4
g(4)=40-4
g(4)=36

f(2)+g(4)=4+36=40
3 0
3 years ago
Dana buys dress shirts from a clothing manufacturer for s dollars each, and then sells the dress shirts in her retail clothing w
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a

Step-by-step explanation:

because of 13.3 jdudujxjnxnx n hdueususbbdbxbbzbz

5 0
2 years ago
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