Show how the demand curve for ice melt would be affected by an extremely long and severe winter

1 answer:

5 0

The demand curve of ice melt would shift to the right. This is because the conditions will make ice melt a necessity so people will buy greater quantities for a higher price.

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Y varies directly affects if y equals negative five when x equals 15 find X when y equals three

Anni [7]

Well,

We are given a direct proportion problem.

x varies directly as y.

$\frac{x}{y}$

When y = -5, x = 15.
$\frac{15}{-5} \ or\ \frac{3}{-1}$

Now, we are told to find x when y = 3.

$\frac{x}{3}$

We just have to recognize that the complete case is equal to the incomplete case. In other words, we set the -3 equal to the x/3.

$\frac{3}{-1} = \frac{x}{3}$

Multiply both sides by the LCM.
LCM of -1 and 3 = 3

-9 = x

When y = 3, x = -9.

6 0

3 years ago

Solve the following system of linear equations.

andrey2020 [161]

To solve a problem like this, you will need to use substitution or elimination. For the sake of an example I will solve this using substitution.

First, solve one of the equations for x or y:
3x-5y=-39
3x=-39+5y
X=(-39+5y)/3

Then substitute for the value of x in the second equation:
6x+2y=-42
6((-39+5y)/3)+2y=-42

Solve for y:
-78+10y +2y=-42
-78+12y=-42
12y=36
Y=3

Once you've solved for y, you can plug in it's value to find x:
X=-39+5(3)/3
X=-24/3
X=-8

So, we can conclude that the correct answer is B. (-8,3)

6 0

3 years ago

Read 2 more answers

What is 40% of 250? A. A. 50 B. B. 100 C. C. 150 D. D. 200

goldenfox [79]

40% of 250. Well we can just do 250*.4 as .4 is the same as 40%. And if I did this right it should be 100

Answer) B 100

Hope I helped

4 0

3 years ago

On Monday, 547 students went on a trip to the zoo. All 9 buses were filled and 7 students had to travel in cars. How many studen

Mars2501 [29]

Answer:

68 i think