MATHEMATICS MIDDLE SCHOOL

What is the equation of the line –3x–2y=30 in slope-intercept form?

Answers

Answer 1

Answer:

Answer

y = (-3/2)x - 15

Explanation

The general linear equal in slope intercept form is y = mx + c.

Where m is the slope and c is the y-intercept.

–3x–2y=30 in slope-intercept form

–3x–2y=30

-2y = 3x + 30

y = (-3/2)x - 15

Answer 2

Answer:

Answer:

$y = (-3)/(2)x - 15$

Step-by-step explanation:

We are given the following information in the question:

We are given equation of line:

$-3x-2y = 30$

The slope intercept form of a straight line is given by:

$y = mx +c$

where m is the slope of the line and c is the y intercept of the line.

Considering the given equation of the line:

$-3x-2y = 30\n-2y = 3x + 30\ny = \displaystyle(3x + 30)/(-2)\n\ny = (-3)/(2)x - 15$

is the required form of line.

where the slope of the given line is m = $(-3)/(2)$ and y-intercept is c = -15

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What is (-7/10+0.15) divided by (-0.125)

Answers

first we make -7/10 into decimal (-0.7)
then we can do 2 things
1. simplif parenthasees then divide
2. split into 2 fractions then add

I like first one better
(-0.7+0.15)/-0.125)
simplify partnehasees
-0.70+0.15=-0.55
nwe we have
-0.55/-0.125=4.4 (remember that (-)/(-)=(+)

answer is 4.4

When preparing the cheese for their pizzas, the cooks at Brian's pizza restaurant mix 1 kilogram of Parmesan cheese and 9 kilograms of mozzarella. At Jeff's pizza restaurant, the cooks mix 2 kilograms of Parmesan cheese and 16 kilograms of mozzarella. Which restaurant uses a lower ratio of Parmesan to mozzarella?Brian's restaurant
Jeff's restaurant
neither; the ratios are equivalent

Answers

Jeff's Restaurant uses less because if you simplify both of the ratios you get 1/9 and 1/8

Lisa start her trip with 11 1/2 of gallons of gas in her cars Gas tank she bought an additional 6 4/5 gallons on her trip in and arrived back home with 3 3/10 gallons left how much gas does she use on her trip

Answers

Quantity of gas in the tank with which Lisa started her journey = 11 1/2 gallons
      = 23/2 gallons
Quantity of gas additionally bought by Lisa during her trip = 6 4/5 gallons
      = 34/5 gallons
Quantity of gas still left in the car after Lisa completed her trip = 3 3/10 gallons
   = 33/10 gallons
Then
Quantity of gas used by Lisa during her trip = [(23/2) + (34/5)] - (33/10) gallons
   = [(115 + 68)/10] - (33/10) gallons
   = (183/10) - (33/10) gallons
   = 150/10 gallons
   = 15 gallons
So we can see from the above deduction that Lisa used 15 gallons of gas during her trip. I hope the procedure is simple enough for you to understand.

she uses 15 gallons of gas.

11 1/2 + 6 4/5 =

23/2 + 34/5 =

115/10 + 68/10 =

183/10 =

183/10 - 3 3/10 =

183/10 - 33/10 =

150/10 =

15

3 is 15% of what nuber