A salad dressing calls for 3 parts oil and 1 part vinegar. Manuela uses 2 tablespoons of vinegar and 6 tablespoons of oil to make her salad dressing. Is this a proportional relationship

Answers

Answer 1

Answer:

Answer:To determine if the relationship between the amount of vinegar and oil in the salad dressing is proportional, you can compare the ratio of vinegar to oil used by Manuela to the ratio called for in the recipe.

The recipe calls for 3 parts oil to 1 part vinegar. This means for every 3 tablespoons of oil, you should use 1 tablespoon of vinegar.

Manuela used 6 tablespoons of oil and 2 tablespoons of vinegar.

Now, let's compare the ratios:

Manuela's ratio of oil to vinegar: 6 tablespoons of oil to 2 tablespoons of vinegar, which can be simplified to 3:1.

The recipe's ratio of oil to vinegar: 3 parts oil to 1 part vinegar, which is also 3:1.

Since both ratios are 3:1, Manuela's use of oil and vinegar is in proportion to the recipe's instructions. Therefore, it is a proportional relationship.

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I need help with this math question on my study guide!Sadly, I do not remember how to do this and I would greatly appreciate any help you can offer.

Answers

Sadly is right. You must have practiced this stuff in middle school
until it was coming out of your ears. Fortunately, you have a chance
to relearn it now. You should do that ... it'll be important in any math
course you ever take.

'm' is the slope of the line on the graph.

The slope is

      (the change in 'y' between any two points on the line)
divided by
   (the change in 'x' between the same two points).

You can choose any two points on the line, and the slope is always the same.

To make it easy, look at the two points on this graph where the line crosses
the x-axis and the y-axis.

Going between these two points ...
-- the line goes up, from y=0 to y=4. The change in 'y' is 4 .
-- the line goes to the right, from x=-2 to x=0. The change in 'x' is 2 .

   'm' = the slope = (4)/(2) = 2 .

The "y-intercept" is the place where the line crosses the y-axis.
On this graph, that's the point where y=4 .

The equation of EVERY straight line on ANY graph is:

   Y = (the slope) times 'x' + (the y-intercept) .

So the equation of THIS line on THIS graph is

   Y = 2x + 4 .

An item costs $20.00 and it has a sales tax rate of 4%. What is the amount of sales tax for that item?

Answers

0.8 ! hope this helps. you take 4% of 20 and that’s how you get the answer

Answer:

$0.80

Step-by-step explanation:

To find the sales tax you:

Divide 4% by 100 ( because a percentage is always out of 100) { $(4)/(100)$ = 0.04}

Multiply 0.04 by 20 ( the answer becomes $0.80)

When doing this you primarily finding 4% of $20.

HOPE THIS HELPED

A number n plus 7 is less than or equal to 9

Answers

Final answer:

The subject of this question is Mathematics. The inequality n + 7 ≤ 9 can be solved by subtracting 7 from both sides. The solution is n ≤ 2.

Explanation:

The subject of this question is Mathematics. The question involves solving an inequality involving a number, n, that is added to 7 and is less than or equal to 9. To find the possible values of n, we can subtract 7 from both sides of the inequality:

n + 7 ≤ 9

n ≤ 9 - 7

n ≤ 2

So, the values of n that satisfy the inequality are any number less than or equal to 2.

Learn more about Solving Inequalities here:

brainly.com/question/26855203

#SPJ12

(5,0) is a solution to the equation y = 5x + 5 Question 11 options: True False

Answers

Answer:

False

Step-by-step explanation:

y=5x + 5

0=5 (5)+5

0=10+5

0≠15

False

Suppose a city with population 500,000 has been growing at a rate of 7% per year. If this rate continues, find the population of this city in 11 years.

Answers

use compound interest formula.........m

What is the image of (-4,-7)(−4,−7) after a reflection over the x-axis?

Answers

The image of the point (-4, -7) after a reflection over the x-axis is (-4, 7)

Calculating the image of the point after a reflection over the x-axis?

From the question, we have the following parameters that can be used in our computation:

Point = (-4, -7)

Transformation rule

A reflection over the x-axis

The rule of a reflection over the y-axis is

(x, y) = (x, -y)

Using the above as a guide, we have the following:

Image = (-4, 7)

Hence the image of the point after a reflection over the x-axis is (-4, 7)