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Korolek [52]
3 years ago
6

List the domain and range of the relation. ​{(5​,-5​), ​(7​,7​), ​(0​,-5​), ​(7​,1​) ​(5​,​5)}

Mathematics
1 answer:
artcher [175]3 years ago
4 0

Answer:

domain = (0,5,7)

range = (-5,1,5,7)

Step-by-step explanation:

domains are the x in (x,y) , and ranges are y in the (x,y) relations.

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Write an equation in slope-intercept form for the line that passes through (1,9) and (3,5).
kozerog [31]

Answer:

The answer to your question is    y = -2x + 11

Step-by-step explanation:

A (1, 9)

B (3, 5)

- Find the slope

 m = \frac{y2 - y1}{x2 - x1}

 m = \frac{5 - 9}{3 - 1}

 m = \frac{-4}{2}

        m = - 2

- Find the line equation

        y - y1 = m (x - x1)

        y - 5 = -2(x - 3)

        y - 5 = -2x + 6

        y = -2x + 6 + 5

        y = -2x + 11

8 0
3 years ago
Read 2 more answers
Michela says that the modes of the two data are the same so the median and mean must also be the same. what is michela’s error?
aev [14]

Answer: median and mean are the same

Step-by-step explanation:

The error committed by Michela is by saying

The median and mean are the same.

Because in statistics, we can't use mode to predict the median and the mean.

7 0
3 years ago
I ORDER OF OPERATIONS<br> 30 divided by 2-5x2
DIA [1.3K]

Answer:

your answer is 5 friend!

Step-by-step explanation:

next time write it out like this....

(30/2)-(5x2)

just so it makes more sense byeeee friend

6 0
3 years ago
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Johnny has a bag with 84 coins in it. If the ratio of dimes to nickels to pennies is 3 to 2 to 1, how many
omeli [17]

Answer:

28

Step-by-step explanation:

Number of coins in the bag ⇒ 84

Give that,

Dimes : Nickels : Pennies

  3       :       2     :   1

You can see that, there are 6 parts . ( 3 + 2 + 1 = 6 )

And now let us write the types of coins in fractions.

Dimes ⇒  \frac{3}{6}

Nickels ⇒ \frac{2}{6}

Pennies ⇒ \frac{1}{6}

And now they're asking for the number of nickels.

To find that, you can multiply 84 ( number of coins) by it's fraction ( 2/6).

Let us solve.

84 × \frac{2}{6}

\frac{84*2}{6}

\frac{168}{6}

28

Therfore, there are 28 nickels.

8 0
2 years ago
What is the area of the second triangle
blagie [28]

Answer:

To find the area of a triangle, multiply the base by the height, and then divide by 2. The division by 2 comes from the fact that a parallelogram can be divided into 2 triangles. For example, in the diagram to the left, the area of the parallelogram.

8 0
3 years ago
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