I need help on these questions PLEASE
britneyshowalter avatar

Answers

Answer 1
Answer: I think the easiest way to answer all of these is to just go ahead and find the equation of the line first. 

I'm pretty sure that by the time you reach this problem, you've learned to find
theequation of a line that passes through two given points.  You have twopoints:  (2, 100) and (5, 205).  The equation of the line through themis [ y = 35x + 30 ].

6).  The initial membership fee ... the cost for walking in the door and signing up,
before any months, is $30.  (Also the y-intercept.)

7).  The cost per month is $35.  (The slope of the line.)

8).  We already did that, up above.  [  y = 35x + 30 ].

9).  'x' in the equation is the number of months.
There are 12 months in one year.

y = 35(12) + 30 = $450


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Julio plans a diet to gain 0.2 kg a day. After 14 days he weighs 40 kg. Write an equation in slope intercept form to model the situation and define your variables.

Answers

Answer:

y=0.2x+37.2

Step-by-step explanation:

Julio plans to gain 0.2 kg a day, so the rate of increase of weight is 0.2 kg per day.

The slope intercept form of an equation can be written as,

y=mx+c

In our case, 'y' is the total weight, 'x' is the number of days, 'm' is the slope and 'c' is the initial weight.

It is found out that after 14 days he weighs 40 kg. So over 14 days Julio must have gained,

14 * 0.2 = 2.8 kg because he is gaining 0.2 kg per day after the diet plan. So initially (14 days ago) Julio weighed,

40-2.8 = 37.2 kg

Now, we know the slope that is rate of change and that is 0.2 kg per day. We can form the equation as,

y = 0.2x+37.2

As we have already defined that 'y' is the final weight, 'x' is the number of days and 'c' (37.2) is the initial weight of Julio.

So the required equation is, y = 0.2x+37.2.

Final answer:

The equation in slope-intercept form that models Julio's situation is y = 0.2x + 37.2, with x representing the number of days and y representing Julio's weight in kg.

Explanation:

To write an equation in slope-intercept form that models Julio's situation, we can define the variables as follows:

Let x represent the number of days and y represent Julio's weight in kg.

Given that Julio plans to gain 0.2 kg a day and after 14 days he weighs 40 kg, the equation would be:

y = 0.2x + b

To find the y-intercept (b), we substitute the given values:

40 = 0.2(14) + b

Solving for b, we get:

b = 40 - 2.8
b = 37.2

Therefore, the equation in slope-intercept form that models Julio's situation is:

y = 0.2x + 37.2

Learn more about Equation in slope-intercept form here:

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During the day,Sam spent $4.85 on lunch.he also bought 2 books for $7.95 each. At the end of the day we had $8.20 left how much money did he start with.

Answers

20.75 because if you add 4.85+7.95+7.95 add that you get 20.75

2/3 of flour to make 6 muffins what is the unit rate for cups of flour per muffin? for muffins per cup of flour?

Answers

Amount of sugar 2 cups, amount of flour 3 cups, this means that for every cup of flour you  will need 2/3 of cup of sugar. if you have only 2 cups of flour you will need (2/3)*2 cups of sugar = 4/3 0r 1 cup and 1/3 more.

Angle S is 90 degrees and angle T is 45 degrees. side ST is 3 ft. how long is side SU

Answers

ANSWER

|SU|=3ft

EXPLANATION

Triangle TSU is an isosceles right triangle.

Because one of the angles in the right triangle is 45°.

This means that the third angle is also 45°.

This implies that that |ST|=|SU|

The reason is that isosceles triangle has the base angles equal and the arms on these angles are equal.

65% of what number is 78?

Answers

Answer:

The Answer Is 120

Step-by-step explanation:

Well,make 65% a decimal=.65.After,multiply 78 x .65 which is 50.7

when you work more than 40 hours a week you are paid time and a half. if you earn $5.50 an hour for regular time how will you earn for one hour of overtime

Answers

You will earn $11.00 for one hour overtime allm you have to do is multiply $5.50 by two because you have worked for two hours


the answer that i got was 225.5 dollars after overtime.

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