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lutik1710 [3]
3 years ago
13

Which of the relations given by the following sets of ordered pairs is a function?

Mathematics
1 answer:
KonstantinChe [14]3 years ago
6 0

9514 1404 393

Answer:

  (a)  {(5, 2), (-4, 2), (3, 6), (0, 4), (-1, 2)}

Step-by-step explanation:

The only relation with no repeated x-values is the first one. The first relation is a function.

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The scale of a map is 1 cm: 77 km.
laiz [17]

\bf \stackrel{map}{1~cm}\qquad :\qquad \stackrel{actual}{77~km}\qquad \cfrac{map}{actual}=\cfrac{1}{77}~\hfill \cfrac{\stackrel{map}{3}}{\underset{actual}{a}}=\cfrac{1}{77}\implies 231=a

4 0
3 years ago
Write an equation, in slope-intercept form, that shows the relationship between the # of apples and the total price. Each apple
Norma-Jean [14]
You are right good job and now i'm going to do the same
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Minchanka [31]

Answer:

1100 characters

Step-by-step explanation:

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5 0
3 years ago
Read 2 more answers
To mix plaster for a dental model, 35 mL of water is used for 100g of plaster. How many mL of water should be used for 250g of p
laila [671]

Okay, here we have this:

Considering the provided information, we are going to calculate the requested value, so we obtain the following rule of three:

\begin{gathered} \frac{x}{35mL\text{ of water}}=\frac{250g\text{ of plaster}}{100g\text{ of plaster}} \\ x=\frac{250g\text{ of plaster}}{100g\text{ of plaster}}\cdot35mL\text{ of water} \end{gathered}

Solving for x:

\begin{gathered} x=2.5\cdot35mL\text{ of water} \\ x=87.5mL\text{ of water} \end{gathered}

Finally we obtain that 87.5mL of water should be used for 250g of plaster.

3 0
1 year ago
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Answer:

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Step-by-step explanation:

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since vertical angles have the same value the top angles for both triangles will be 102 degrees

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180-152=x

28=x

7 0
3 years ago
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