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lyudmila [28]
3 years ago
14

When you have a graph how do you know if it's a function?

Mathematics
2 answers:
butalik [34]3 years ago
3 0

Answer:

The vertical line test

Step-by-step explanation:

If the line as more than one y intercept, it's not a function

Snezhnost [94]3 years ago
3 0

Answer:B

Step-by-step explanation:

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Step-by-step explanation:

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A teacher pays $39 for 10 books.What is the unit price of each book?
zheka24 [161]

To find the cost of each book, you need to divide the money spent on all of the books by the number of books.


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8 0
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Mr.yueng graded his students math quizzes students came up with four different answers when solving the equation x3=22. Which an
alex41 [277]

The question is incomplete. Here is the complete question:

Mr.yueng graded his students math quizzes students came up with four different answers when solving the equation x3=22. Which answers is correct.

(A) \frac{22}{3}

(B) \sqrt[3]{22}

(C) \pm \sqrt[3]{22}

(D) \sqrt{22}

Answer:

(B) \sqrt[3]{22}

Step-by-step explanation:

Given:

The equation to solve is given as:

x^3=22

Here, the left hand side of the equation has a variable 'x' in exponent form. So, in order to solve for 'x', we have to eliminate the exponent.

For removing the exponent, we have to take cubic root on both the sides. As we know that,

\sqrt[n]{x^n} =x

So, taking cubic root on both the sides, we get

\sqrt[3]{x^3}=\sqrt[3]{22}\\\\x=\sqrt[3]{22}

Therefore, the second student has written the correct answer and hence the correct option is (B).

6 0
3 years ago
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The triangles below are similar.<br> Pls help me
siniylev [52]

Answer: I think the answer would be nine. Hear me out

Step-by-step explanation: The left triangle has the angles 5 and 4, so the right answer for the other side would be the angles 8 and x=9.

8 0
2 years ago
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dybincka [34]
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thanks
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