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dimulka [17.4K]

4 years ago

9

Graph the relation {(5, 0), (0, 5), (5, 1), (1, 5)}. Is it a function? Why or why not?

1 answer:

MissTica4 years ago

8 0

D. is the correct answer, as functions cannot have the same x value correspond to different y values. For a function to be considered a function, it must always pass the vertical line test.

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Can anyone please help me with this?

kotykmax [81]

$y^4+12y^2+36=(y^2)^2+12y^2+36\\\\\text{substitute}\ y^2=t\\\\t^2+12t+36=t^2+2\cdot t\cdot6+6^2\leftarrow\text{It's a perfect square}\\\\\text{use}\ (a+b)^2=a^2+2ab+b^2\\\\=(t+6)^2=(t+6)(t+6)\\\\\text{we're going back to substitution}\\\\=(y^2+6)(y^2+6)\\\\(\sqrt6)^2=6\to(i\sqrt6)^2=-6\\\\\text{therefore}\\\\=(y^2-(i\sqrt6)^2)(y^2-(i\sqrt6)^2)\\\\\text{use}\ a^2-b^2=(a-b)(a+b)\\\\=\boxed{(y-i\sqrt6)(y+i\sqrt6)(y-i\sqrt6)(y+i\sqrt6)}$

6 0

4 years ago

Can i please get help with this question?

jeka57 [31]

The sum of integers p and q is modeled on a number line, where |p| < |q|. In each box write p,q, or p + q. Then write an addition equation

5 0

3 years ago

If i^2 = -1. , what does i^71 equal?

Bezzdna [24]

Answer:

i^2 = -1.

i^71=(i^70)i=(i²)^35×i=(-1)^35×i=-1×i=-i

7 0

3 years ago

What is the value of x, given that the two prisms are similar?

Liono4ka [1.6K]

<u>Answer:</u>

The correct answer option is D. 60.

<u>Step-by-step explanation:</u>

We are given the diagram of two prisms with known side lengths other than x. Given that these prisms are similar, we are to find the value of x.

Considering the similarity of these prisms, we will use the ratio method to find x.

$\frac { 3 } { 2 0 } = \frac { 9 } { x }$

$x = \frac { 6 \times 2 0 } { 3 }$

x = 60

4 0

3 years ago

Read 2 more answers

Eight more than a number<br> Use the letter n "a number". Do NOT use x for times

MakcuM [25]

Answer:

n + 8

Step-by-step explanation:

Lol

Why I'm answering this?

4 0

3 years ago