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Inga [223]
3 years ago
9

Is the following number rational or irrational?

Mathematics
1 answer:
mario62 [17]3 years ago
8 0

Answer: it is rational

Step-by-step explanation:

all numbers that can be put on a ratio are rational

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Graph the function represented in the table on the coordinate plane.
Lena [83]

Step-by-step explanation:

We are given the co-ordinates,

x : -2, -1, 0, 1, 2

y : 8, 5, 2, -1, -4

According to the graph, we see that this function represents a straight line.

The general form of the straight line is y = mx + c, where m is the slope and c is the y-intercept.

So, taking any two points we will find the equation of the straight line.

Consider, (0,2) and (1, -1). Now, slope is given by,

m = \frac{-1-2}{1-0}

i.e. m = -3

Now, we will find the y-intercept of this equation using (0,2) and m = -3,

i.e. y = -3x + c

i.e. 2 = c

Hence, the equation of the straight line is y = -3x + 2.

6 0
4 years ago
At the market, 5 light bulbs cost $9. How much do 7 light bulbs cost?
Rudiy27
Hello!

To solve this, find the cost of a single light bulb first, by dividing 9 / 5.

9 / 5 ==> 1.80

One light bulb is $1.80

Now, multiply 1.80 by 7.

1.80 * 7 = 12.6

7 light bulbs cost $12.6

Hope this helps! ☺♥


6 0
4 years ago
Read 2 more answers
Lesson2: Proportional Relationships
STatiana [176]
Sorry I don’t speck that language
7 0
3 years ago
Complete the equivalent equation for –7x – 60 = x2 + 10x.
rewona [7]

Complete the equivalent equation for –7x<span> – 60 = </span>x2<span> + 10</span>x.

(x<span> + 5</span>)(x<span> + 12) = 0</span>

What are the solutions of –7x<span> – 60 = </span>x2<span> + 10</span>x?

x<span> = -12 or -5</span>

Please mark as Brainliest. 

5 0
4 years ago
Read 2 more answers
What is the common difference of the sequence?
iren2701 [21]

The common difference is 11, you can see this because the number goes up by eleven each time.

3 0
3 years ago
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