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likoan [24]
3 years ago
11

Write a equation of a line that is perpendicular to y = -2/7x+9and pass through point (4,-6)

Mathematics
1 answer:
nikitadnepr [17]3 years ago
3 0

Answer:

y = 7/2x - 20.

Step-by-step explanation:

The slope of the given line is -2/7,  therefore the slope of the line perpendicular to it is  - 1/ -2/7 = 7/2.

When x = -4, y = -6  so we substitute x1 = 4, y1 = -6 and m ( the slope) = 7/2 in the point slope form of a line:

y - y1 = m(x - x1)

y - (-6) = 7/2(x - 4)

y + 6 = 7/2x - 14

y = 7/2x - 20.

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Mr. Bennett owns 4 restaurants. The mean number of tables is 30. Which number line shows what could happen to the mean if he buy
expeople1 [14]
Number of tables al four restaurants have;
= 4 * 30
=120 tables
Two new restaurants + 4
=6 restaurants
(120+15+9)= 144 tables
Mean = total # of tables/ total # of restaurants;
144/6
=24
This is the mean so it decreases. I hope this helps even though you didn’t actually post the number line
7 0
4 years ago
Read 2 more answers
The proportion of adult women in a certain geographical region is approximately 49.49​%. A marketing survey telephones 100100 pe
Alinara [238K]

Answer:

a) 49%

b) 49

Step-by-step explanation:

We have that:

The proportion of adult women in a certain geographical region is approximately 49%.

a) What proportion of women in the sample of 100100 would you expect to​ see?

The same as the region, that is 49%.

b) How many​ women, on​ average, would you expect to find in a sample of that​ size?

There are 100 people. In the region, the proportion of women is 49%.

So, in a sample of 100 people, you would expect to find 49 women.

8 0
3 years ago
the difference between two numbers is 9. three times the smaller is equal to twice the larger. what are the numbers?
Sergio039 [100]

Answer: 27 and 18

Step-by-step explanation:

x - y = 9  → x = 9 + y

3y = 2x

3y = 2(9 + y)

3y = 18 + 2y

3y - 2y = 18

y = 18

2x = 3(18)

2x = 54

x = 27

x - y = 9

27 - 18 = 9

9 = 9

4 0
3 years ago
Ummm... I dunno what 1+1 is
Sidana [21]

Answer:

2 u do know unless ur in pre k but pre kers cant spell tht much so u knew the answer.

Step-by-step explanation:

1+1=2

5 0
3 years ago
Please help and thank you
MA_775_DIABLO [31]

Answer:

The Answer is c

Step-by-step explanation:

6 0
3 years ago
Read 2 more answers
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