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Brilliant_brown [7]
3 years ago
8

What are rational numbers​

Mathematics
1 answer:
liraira [26]3 years ago
6 0
In mathematics, a rational number is a number such as −3/7 that can be expressed as the quotient or fraction p/q of two integers, a numerator p and a non-zero denominator q
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1.
mr_godi [17]
Plug the points into the equation.
Ex. y=3x-5
(X,y)
1. (5,10): 10=3(5)-5
15-5=10; point 1 is valid
-1=3(-2)-5
-1=-6-5
-1 does not equal -11
Point 2 is not valid
Same process for letter B
8 0
3 years ago
4 books for 1$12.00 3 books for $9.00 What is the price per book? What is the constant of proportionality
Valentin [98]

Answer:

the price per book is $3 the constant of proportionality is 3

Step-by-step explanation:

12 divided by 4 is 3 and 9 divided by 3 is 3 so it means that the price for 1 book is going to be 3 and for every book you buy the original value will be 3.

6 0
3 years ago
Customers at an ice cream shop took a survey. The results showed that 144 customers rated the shop as being "very satisfactory."
stepladder [879]

Answer:

320 customers is the answer

Step-by-step explanation:

1. You have to divide 144 by 45% to find one percent of the customers (you get 3.2).

2. Once you get one percent of all of the customers (3.2) you multiply it by 100 to get 100 percent of the customers (or total number of customers).

So, 320 total customers

Have a great day, I hope you like the explination.

7 0
3 years ago
7a = 49 in multiplication way?<br> SHOW ALL WORK
Olegator [25]
A WOULD BE 7 BECAUSE 7 TIMES 7 EQUALS 49
8 0
3 years ago
Read 2 more answers
triangle ABC is reflected about the line Y equals negative X to give triangle ABC with vertices A (-1, 1), B (-2, -1), C (-1,0).
Amiraneli [1.4K]

9514 1404 393

Answer:

  • A'(-1, 1)
  • B'(1, 2)
  • C'(0, 1)

Step-by-step explanation:

Reflection across the line y = -x is accomplished by the transformation ...

  (x, y) ⇒ (-y, -x)

Then the images of the given points are ...

  A(-1, 1) ⇒ A'(-1, 1) . . . . this point is on the line of reflection, so doesn't move

  B(-2, -1) ⇒ B'(1, 2)

  C(-1, 0) ⇒ C'(0, 1)

7 0
2 years ago
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