MATHEMATICS MIDDLE SCHOOL

If (6,39) and (-5,-49) are two anchor pint find the equation of the line

Answers

Answer 1
Answer:

Answer:

y =8x+9

Step-by-step explanation:

The points are (6,39) and (-5,-49)

We need to find the equation of this line.

The slope is given by:

m = (y_2-y_1)/(x_2-x_1)

m = ( - 49 - 39)/( - 5 - 6)

m = ( - 88)/( - 11)

m = 8

We use the formula:

y-y_1=m(x-x_1)

We substitute the point (6,39) and m=8 to get:

y - 39 = 8(x - 6)

We expand to obtain:

y - 39=8x-48

y =8x-48 + 39

y =8x + 9

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Solve the linear equation 2.25 – 11j – 7.75 1.5j = 0.5j – 1
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HELP ASAP!! 10 POINTS!!!

Answers

Answer:the first one


Step-by-step explanation: none have the same y



The answer is first one!!

7 1/2 times 0.50 PLZZZZZ help

Answers

3.75  You would multiply 7.5(for 7 1/2) X 0.50=3.75. Hope this helps.
0.50=1/2  And 7 1/2=15/2
Multiply numerators and denominators.  15*1=15
2*2=4
You get 15/4.  This is equivalent to 3 3/4 and is also equivalent to 3.75

Hope this helps!

-Kibeye :)

if 5 potatoes together have a mass of 1 kilogram and 8 pears together have a mass of 1,200 grams, which has the greater mass, a potato or a pear? explain

Answers

The potatoes because kilograms are bigger than grams

Final answer:

The pear has a greater mass than the potato.

Explanation:

  • To compare the mass of a potato and a pear, we need to convert the mass of each to the same unit. Since the mass of the potatoes is given in kilograms and the mass of the pears is given in grams, we need to convert the mass of the pears to kilograms. There are 1,000 grams in a kilogram, so the mass of the pears is 1.2 kilograms.
  • Comparing the mass of the potato and the pear, we can see that the pear has a greater mass of 1.2 kilograms, while the potato has a mass of 1 kilogram.

Therefore, the pear has a greater mass than the potato.

Learn more about mass here:

brainly.com/question/35704156

#SPJ6

Ms. White has 15 students in her first grade class. Troy is the line leader for the week, and Mackenzie is last because she was the line leader last week. In how many different ways can Ms. Whites class line up for lunch?

Answers

The first place and 15th place are already decided, so we have to find the number of
different ways that the other 13 students can line up, in the places from #2 to #14.

2nd place can be any one of 13 people.  For each of those . . .
3rd place can be any one of 12 people.  For each of those . . .
4th place can be any one of 11 people.  For each of those . . .
.
.
.
13th place can be any one of 2 people.  For each of those . . .
14th place has to be the one student who is left.

Total number of ways that 13 students can line up in places #2 through #14 is

(13 x 12 x 11 x 10 x 9 x 8 x 7 x 6 x 5 x 4 x 3 x 2 x 1)

That number is called "thirteen factorial".  The number is 6,227,020,800 .

When you write it in math, you write it like this:    13!

em saves at least 20% of what she earned for each week.is she earns $140 each week for 4 weeks wich inequality describes the total amount she saves

Answers

percent means parts out of 100
20%=20/100=2/10=1/5

20% of what she earned earned per week
'of' means multiply
20% of what she earned per week means
1/5 times what she earned per week

140 per week earned
1/5 of per week=saved
1/5 of 140=1/5 times 140=140/5=28

she saved this for 4 weeks
at least 28 saved per week for 4 weeks=28 times 4=102
she saved at least102 total
saved>$102

First, what you would do is multiply 140 and 20%. Which would give you: 28

Then you would multiply 28 by 4 and get 112


Hope this helps!!(:

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Answers

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