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inn [45]
3 years ago
9

line m passes through the points (6,1)and(2,-3).line n passes through the points (2,3)and(5,-6).find the point of intersection o

f these lines
Mathematics
1 answer:
scoundrel [369]3 years ago
6 0
So, first you need to put both of them in Point slope. They are, y - 1= 1(x-6) and y - 3 = -3 (x-2). Make them both slope intercept. Which is, y=x-7 and y=-3x-3. Then, g=find the point of interception. Which is, (1,-6)
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12 girls in a class of 15 girls have short hair and the rest have long hair . What percent of the girls has long hair ?​
kati45 [8]

Step-by-step explanation:

long hair

15 - 12 = 3

long hair percentage

= 3 ÷ 15 × 100

= 20%

4 0
3 years ago
What times -1/2 x what = -20?
Radda [10]

Answer:

40

Step-by-step explanation:

Let the number be y

-1/2 × y = -20

y = -20 ÷ -1/2

y = 20 × 2

y = 40

6 0
2 years ago
The diameter (d) of a circle with a circumference of 440 cm is: Use Π = 22/7
elena-s [515]

Answer:

c

Step-by-step explanation:

c=2*22/7r

440=44/7r

440*7/44=r

70=r

d=2r

d=2*70

d=140 cm

5 0
1 year ago
Read 2 more answers
1.11 x 10^-5 standard form
zavuch27 [327]

Answer:

.0000111

Step-by-step explanation:

move the decimal five places to the left because the 5 is negative

8 0
3 years ago
Please tell me the answer quick
Vesnalui [34]
To compare these numbers, you must first put them into one format.  Since you have mixed numbers, you may have to find and use the LCD.

-2.5, 1/5, 10, -12/4, 18/5, 10 could be simplified somewhat immediately:

-2.5, 1/5, 10, -3, (3 3/5)   This set of numbers is simple enough so that you could rearrange them in ascending order mentally:

-3, -2.5, 1/5, (3 3/5), 10

In this case the number of elements in this set is odd, so all you have to do is to select the MIDDLE element:  1/5.

The median is 1/5.

You MUST learn this procedure (arranging the set elements in ascending order and selecting the middle element) so that you can apply it yourself.

8 0
3 years ago
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