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stiks02 [169]
3 years ago
11

8. Line AB passes through A(-2,4) and B(-8,-6).

Mathematics
1 answer:
netineya [11]3 years ago
8 0

Answer:

AB : \frac{5}{3}

PT : -\frac{1}{5}

Step-by-step explanation:

The line AB passes through A(-2,4) and B(-8,-6) points.

Therefore, the slope of the line AB will be \frac{4-(-6)}{-2-(-8)} =\frac{5}{3} (Answer)

Again line PT passes through P(3,-1) and T(8,-2) points.

Therefore, the slope of the line PT will be \frac{-1-(-2)}{3-8} =-\frac{1}{5}. (Answer)

Here we have applied the formula of slope of a straight line passing through the points (x_{1},y_{1}) and (x_{2},y_{2}  ) as given by \frac{y_{1}-y_{2}  }{x_{1}-x_{2}  }.

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50 points i need to know how to plot these
svetlana [45]

x is time and y is pencils that you have

'starts with 90' so at x=0, plot y=90

'gives away 15 every hour' so for every 1 hour, move 15 down on y

so at x=1, do 90-15=75 pencils

at x=2, do 75-15=60 pencils

etc

until you get to

x=6, do 15-15=0 pencils then stop because you can't give away 15 pencils when you have 0

see attachment for plot

I don't know how your segment tool works so you do it

if it draws a line, you only need 2 points, just do when x=0, y=90 and when x=6, y=0

5 0
3 years ago
Date
Nitella [24]

Answer:

perimeter =22m

area=28square meter

perimeter of rectangle=4l

22m=4l

22÷4=l

5.5=l

l=5.5m

area of rectangle =l×b

28=5.5×b

28÷5.5=b

5.09=b

b=5.09m

length =5.5m and breadth =5.09m answer !!!!

7 0
2 years ago
When measuring weight 6 small dogs are approximately equal to 9 large cats.
Zolol [24]

Answer:

See below

Step-by-step explanation:

Equation 1:

Step 1:

6 : 9 = x : 54      Ratio

Step 2:

9x = 324     Multiply

Step 3:

36 small dogs       Divide

Equation 2:

Step 1:

6 : 9 = x : 12       Ratio

Step 2:

9x = 72     Multiply

Step 3:

8 small dogs   Divide

First Answer:

36 small dogs

Second Answer:

8 small dogs

Hope This Helps :)

7 0
3 years ago
A diver dove to a location 63/5 meters below sea level .he then dove to a second location 8 1/5 meters below sea level how many
satela [25.4K]
You just take the difference between them and the answer is 1 3/5
3 0
3 years ago
Triangle DEF has sides with lengths of 6, 11, and 13 units. Determine whether this triangle is a right triangle. Show all work n
mario62 [17]

Answer:

Triangle DEF is not a right triangle ; possible lengths are 20 & 15

Step-by-step explanation:

For right triangle;

the sum of the square of the two adjacent sides must equal the square of the hypotenus.

Therefore, (6^2)+(11^2)≠(13^2).

the possible length are 20 & 15 because

(20^2)+(15^2)=(25^2)

8 0
3 years ago
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