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Vedmedyk [2.9K]
3 years ago
5

If the relationship is linear do the variables have a positive or negative​ association?

Mathematics
1 answer:
hram777 [196]3 years ago
5 0
Hello!

Positive Association Example: (2, 4)

Negative Association Example: (-2, 4)

A linear relationship is a relationship that if graphed, can form a straight line. These relationships can be positive or negative. 


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Help me again pls :D sorry for the bother
matrenka [14]

Answer:

A

Step-by-step explanation:

2x2.5x3= 15

2x2.5x4.5=22.5

2.5x3x4=30

2.5x2x4=20

6 0
2 years ago
Read 2 more answers
When Cullen cleaned behind his dresser, he found 73 cents, all in nickels and pennies. There were 25 coins. How many were nickel
Georgia [21]
Let n = number of nickels, and p = number of pennies.
The number of coins is 25, so we get this equation.
n + p = 25

The value of the coins is 0.05 per nickel, and 0.01 per penny.
0.05n + 0.01p = 0.73

Now you have a system of equations.

n + p = 25
0.05n + 0.01p = 0.73

Solve the first equation for n:
n = 25 - p

Now substitute into the second equation.

0.05(25 - p) + 0.01p = 0.73

1.25 - 0.05p + 0.01p = 0.73

-0.04p = -0.52

p = 13

There were 13 pennies.
Now we substitute 13 for p in n + p = 25 to find out the number of nickels.

n + 13 = 25
n = 12

There are 13 pennies and 12 nickels.

Check: 13 pennies and 12 nickels does total 25 coins.
13 * 0.01 + 12 * 0.05 = 0.13 + 0.60 = 0.73
The value is $0.73.
Our answer is correct.
5 0
3 years ago
Need answers asap rnn
Gekata [30.6K]

Answer: of each shape? 3 & 4?

Step-by-step explanation:

7 0
3 years ago
(x - 1)2 = 4<br> how do i do this
Gnoma [55]

Answer:

x = 3

Step-by-step explanation:

(x - 1)2 = 4

how to get this solved is very simple.

first step to apply is the BODMAS RULE

B..................... bracket

O..................... of

D.....................Division

M.................... multiplication

A..................... addition

S.................... Subtraction

so (x - 1)2 = 4

we have,

2x - 2 = 4 ( by opening the bracket)

collect the like terms

2x = 4+2

divide both sides by 2

2x/2 = 6/2

x = 3

to check if your answer is correct put the value of x = 3 into the question and see if the right hand side will equal to the left handside

(x - 1)2 = 4

(3-1)2=4

2(2)=4

4=4.............................. proved

8 0
3 years ago
What is the measure of CED?<br> O<br> 106°<br> B. 160°<br> O 108°<br> 52<br> 148<br> O 212
LenKa [72]

Answer:

The answer is D (212 degrees)

Step-by-step explanation:

6 0
3 years ago
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