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denpristay [2]
3 years ago
15

100p for an answer please help!!!!!!!!!!!

Mathematics
2 answers:
djyliett [7]3 years ago
8 0
The second option down, "nine times the difference of a number cubed and three", is the correct answer.
zlopas [31]3 years ago
7 0

Answer:

nine times the difference of a number cubed and three; 9(n^{3}-3)

Step-by-step explanation:

Because I'm taking the test and the answer said's it's correct and beside it saids 9*=9( and a number=n cubed 3 and 3 so the answer would be 9(nx^{3}-3

You might be interested in
Which equation is the inverse of y=x^2+16
stealth61 [152]
The inverse of the equation is the square root of x-16. In order to find inverse switch the y and x values and try to isolate y
5 0
2 years ago
Helppppppp pleaseee
Viktor [21]

Answer:

x=2\sqrt{5}

Step-by-step explanation:

If that is a square, then all sides are the same. Therefore, it's a \sqrt{10} by \sqrt{10} shape. We'll use Pythagorean Theorem to find the diagonal.

a^2+b^2=c^2\\\sqrt{10}^2+ \sqrt{10}^2=x^2\\10+10=x^2\\20=x^2\\\sqrt{20}=x\\\sqrt{4*5}=x\\ 2\sqrt{5}=x

Since it's not a fraction, there is no denominator to rationalize. Let me know if you have any other questions!

5 0
2 years ago
Is y=4x+3 and 4x+y=3 parallel or perpendicular or neither?
Sedbober [7]
Neither of the equations are parallel or perpendicular
3 0
3 years ago
I don’t understand this can someone help me?
solong [7]

Answer:

f

Step-by-step explanation:

You know that:

X is congruent to angle Z which means they are the same size

the straight line below is equal to 180

Y is a right angle so its equal to 90

So that means:

if x and z are equivalent that means they are equal to 2x essentially

and if you add 90 you will get the total of the line

Hope this helps!!! :)

6 0
3 years ago
In a right triangle, one acute angle is 22º and the hypotenuse is 70 cm. Find the
meriva

Answer:

Adjacent leg (In relation to the angle that is measure 22 degrees)= 70*Cosine 22 or 64.9; Opposite leg (In relation to the angle that is measure 22 degrees)=70* Sin 22 or 26.22

Step-by-step explanation:

The other angle measure is 90-22 or 68.

To find the length of the adjacent leg (a) use cosine. Remember cosine is Adjacent leg over hypotenuse.

Cosine 22= a/70- Multiply by 70

70* Cosine 22=a or about 64.9

To find the length of the opposite leg (o) use sine. Remember sine is Opposite leg over hypotenuse

Sine 22= o/70

70*Sine 22=o

o= about 26.22

4 0
2 years ago
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