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olganol [36]
3 years ago
14

Y+x=1 show whether x and y show direct variation ​plzz helpp

Mathematics
1 answer:
Thepotemich [5.8K]3 years ago
7 0

Answer:

No

Step-by-step explanation:

Please write:  "Determine whether y+x=1 shows direct variation."

No, it does not, because of the constant term, 1.

If we were to eliminate the 1 and write y + x = 0, then yes, this would represent direct variation.

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Solve (x + 9)2 = 25.
Rina8888 [55]

Answer:

x = -4 and x = -14

Step-by-step explanation:

Our equation is (x + 9)² = 25

Applying the square root property we would need to take the square root of both sides: \sqrt{(x+9)^{2} } =\sqrt{25}

This give us x + 9 = ±5

Here we have two equations since taking the square root gives us a positive and negative value

Our first equation is x + 9 = 5, and to isolate the variable we would need to subtract 9 from both sides, giving us x = -4

Our second equation is x + 9 = -5, and to isolate the variable we would need to subtract 9 from both sides, giving us x = -14

3 0
3 years ago
What are the possible values of x in 8^2+4x = -1
jeyben [28]

Answer:

So we can simplify this to

36+4x=-1

We can subtract by 64 on both sides. 4x = -37. Therefore the answer to this is

x = -37/4 = -9.25.

So the answer for x is -16.25. If you were trying to do a quadratic equation then sorry because you worded it wrong, and I solved properly.

<h2 /><h2><u>Answer: -9.25</u></h2>

7 0
3 years ago
Write 342 to 1 significant figure​
Rufina [12.5K]

Answer:

300

Step-by-step explanation:

A significant figure is the most important (largest) number you can round it to.

As it wants 1 significant figure, you count 1 to the left and round the 4 down.

Hope this helps :)

5 0
3 years ago
Find the length of side x in simplest radical form with a rational denominator.
diamong [38]

Answer:

4√3 according to khan academy

Step-by-step explanation:

7 0
3 years ago
Apply the distributive property to create an equivalent expression.<br> (m−3+4n)⋅(−8)
Sindrei [870]

Answer:

<h2>-8m + 24 - 32n</h2>

Step-by-step explanation:

The distributive property:

a(b+c)=ab+ac

(m-3+4n)(-8)=(m)(-8)+(-3)(-8)+(4n)(-8)\\\\=-8m+24-32n

7 0
3 years ago
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