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laiz [17]
3 years ago
11

Why do graphs sometime not have a line through them?

Mathematics
1 answer:
kondaur [170]3 years ago
4 0
If they do not have a line of best fit this may be because there is no correlation
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1. In a pet store, there are 6 dogs and 10 cats. What is the ratio of cats to dogs as
Alinara [238K]

Answer:

1.66

Step-by-step explanation:

For every cat there are 1.66 cats.

It sound weird, lol. That’s why we’re not suppose to use in-dividable things in math.

XD

7 0
3 years ago
Which ordered pair (c,d) is the solution to the given system of linear equations?
IceJOKER [234]

Answer:

(-1, 6)

Step-by-step explanation:

{-c + 2d = 13

{-9c - 4d = -15

-⅑[-9c - 4d = -15]

{-c + 2d = 13

{c + 4⁄9d = 1⅔ >> New equation

______________

2 4⁄9d = 14⅔

______ _____

2 4⁄9 2 4⁄9

d = 6 [Plug this back into both equations to get the c-value of -1]; -1 = c

I am joyous to assist you anytime.

7 0
3 years ago
Read 2 more answers
Find f(–2) for the function f(x) = 3x2 – 2x + 7.
Natasha_Volkova [10]

The correct answer is: 23

Explanation:

Given function:

f(x) = 3x^2 - 2x + 7 ---- (A)

f(-2) means that we have to put x = -2 in equation (A):

f(-2) = 3(-2)^2 - 2(-2) + 7 \\ f(-2) = 3*4 + 4 + 7 \\ f(-2) = 12+4+7 \\ f(-2) = 23 \\


Hence the correct answer is: f(-2) = 23.

8 0
3 years ago
Read 2 more answers
Rosa made a mosaic wall using 42 black tiles, 35 blue tiles, and 23 red tiles. Write a percent to represent the number of red ti
sergejj [24]
First you have to figure out the total. 
42+35+23= 100
So plug it in.
23/100
23%
Your answer is 23%.
Hope this helped ^-^
8 0
4 years ago
Read 2 more answers
What are Three common multiples of 3 and 2?
Akimi4 [234]

Answer:

Common multiples of 2 and 3 include 6, 12, 18, and 24.

Step-by-step explanation:

A common multiple is a number that is a multiple of two or more numbers.

6 0
3 years ago
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