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Nadya [2.5K]
2 years ago
7

Suppose you were to create a scatter plot of outside temperature and amount of heating bill. Would you expect to see a positive,

negative, or no relationship between the two variables. Explain your answer.
a.
no relationship.
b.
positive relationship; as the outside temperature decreases, the amount of the heating bill increases.
c.
positive relationship; as the outside temperature increases, the amount of the heating bill increases.
d.
negative relationship; as the outside temperature decreases, the amount of the heating bill increases
Mathematics
1 answer:
posledela2 years ago
8 0
the answer is 12 because
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Please help with question
Step2247 [10]
To solve this problem you must apply the proccedure below:

 1. Let's call:

 x: hot dogs.
 y: hamburguers.

 2. Then, you must make a system of equations, as below:

 5x+4y=12.25  (i)
 4x+5y=12.50  (ii)

 3. Now, you can solve the system of equation as below:

 5x+4y=12.25
 x=(12.25-4y)/5

 4x+5y=12.50
 4((12.25-4y)/5)+5y=12.50
 y=1.5

 4x+5y=12.50
 4x+5(1.5)=12.50
 x=1.25

 4. Therefore, the answer is:

 The cost of one hot dog is $1.25 and the cost of one hamburguer is $1.50
 
8 0
3 years ago
I need help ASAP please
Solnce55 [7]

Answer:

x = 6

Step-by-step explanation:

The area of a triangle is equal to the base times the height divided by two. In this case, the base is 6 (or x, it doesn't really matter) and the height is x (or 6, it doesn't matter). That means that the area of this triangle is equal to 6 * x divided by 2, which is also equal to 18. we can say that 6x/2 = 18, meaning that 6x = 36, so x = 6.

6 0
3 years ago
Translate the phrase into an algebraic expression the product of 7 and c​
lana66690 [7]

Answer:

7 x c

Step-by-step explanation:

product means multiply so you just multiply them

8 0
3 years ago
Lines m and n are parallel solve for the following values of x. Tell which theorem you used.
nevsk [136]

Answer:

x=60°

Step-by-step explanation:

angle 135° and (2x+15)° are corresponding and thus are equal

Therefore (2x+15)°=135°

2x=135-15

2x=120°

X=60°

8 0
3 years ago
I need to find the slope.​
OLga [1]

Answer:

The slope is 3/2

4 0
3 years ago
Read 2 more answers
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