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Kipish [7]
3 years ago
14

Which of the statements about the x-axis are true?

Mathematics
1 answer:
neonofarm [45]3 years ago
3 0
The x axis is a horizontal line that intersects the y axis at the origin
in an ordered pair, x is the first number


I is true because they do intersect at the origin
II is false because x axis is horizontal
III is false because x is the first number
IV. is true because it is horizontal and it does pass through the origin


I and IV are true
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×-5y=-15<br> Complete the missing value in the solution to the equation<br> (-5,__)
Readme [11.4K]

Answer:

(-5  , 2 )

Step-by-step explanation:

hello :

×-5y=-15

5y = x+15

y = (1/5)x+3    for x= - 5    y = (1/5)(-5) +3  so :  y = 2

3 0
3 years ago
i need help with this questions asap please. A grocery clerk is making a display of oranges. The numbers of oranges in the layer
ahrayia [7]

Answer:

If there is 1 at the top, then you have 1, then 2, then 3, etc.

total number of oranges equals:

1 + 2 + 3 + ... + 16 + 17 + 18 <-- stop at  18 because this is the number of oranges at the base

You can use the formula:

sum of first n numbers = n*(n + 1)/2

-->

18*19/2 = 9*19 = 171

or you can figure it out (basically derive the above formula):

you have:

1 + 18 = 19

2 + 17 = 19

3 + 16 = 19

...

How many pairs do you have?  Well, it's just the number of numbers: 1-18 = 18 numbers (divide by 2) = 9 pairs)

9 pairs of 19 = 9 * 19 = 171

Hope this helps!

Step-by-step explanation:

3 0
3 years ago
Type the expressions as radicals.<br> Y^5/2
Lapatulllka [165]

Answer:

it will be square root y^5

Step-by-step explanation: Apply the rule x m/n=n√x m to rewrite the exponentiation as a radical.

7 0
2 years ago
Write a system of two equations in two variables to solve the problem. when fully extended, a ladder is 28 feet in length. if th
Alisiya [41]
Let the base of the ladder be x ft and the extension be y ft.

"when fully extended, a ladder is 28 feet in length."

means: x+y=28

"<span>the extension is 4 feet shorter than the base</span>"

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thus, we have the system of equations:

1) x+y= 28 

2) x-y=4

adding the 2 equations, we have:

(x+y)+(x-y)=28+4

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x=32/2=16


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Answer: Base: 16, Extension 12
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2 years ago
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90 degrees rotation about the origin
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