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Anarel [89]
3 years ago
5

What is the correct value for y?

Mathematics
1 answer:
Natasha2012 [34]3 years ago
7 0

Answer:

y = 15

Step-by-step explanation:

9x+2(6x+19) = 24

9x + 12x + 38 = 24

21x + 38 = 24

x = -.666

y = 6(-.666) + 19

y = -4 + 19

y = 15

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(Sqr.3)/2 not a or b or c
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2 years ago
Work out <br> 5/25+2/50+7/100
bixtya [17]

Answer:

The answer is 31/100

Step-by-step explanation:

5/25 + 2/50 + 7/100 = 31/100

8 0
2 years ago
(50 points) A diameter of a circle has endpoints P(-10, -2) and Q(4,6)
Gala2k [10]

Answer:

Step-by-step explanation:

The center of the circle is the midpoint of the two end points of the diameter.

Formula

Center = (x2 + x1)/2 , (y2 + y1)/2

Givens

x2 = 4

x1 = - 10

y2 = 6

y1 = - 2

Solution

Center = (4 - 10)/2, (6 - 2)/2

Center = -6/2 , 4/2

Center = - 3 , 2

So far what you have is

(x+3)^2 + (y - 2)^2 = r^2

Now you have to find the radius.

You can use either of the endpoints to find the radius.

find the distance from (4,6) to (-3,2)

r^2 = ( (x2 - x1)^2 + (y2 - y1)^2 )

x2 = 4

x1 = -3

y2 = 6

y1 = 2

r^2 = ( (4 - -3)^2 + (6 - 2)^2 )

r^2 = ( (7)^2 + 4^2)

r^2 = ( 49 + 16)

r^2 = 65

Ultimate formula is

(x+3)^2 + (y - 2)^2 = 65

The radius is √65 = 8.06

8 0
3 years ago
Why it take much longer time ghan the time calculated
mrs_skeptik [129]

Answer:

for what bro

Step-by-step explanation:

please mark me as brainlest

3 0
2 years ago
Read 2 more answers
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ElenaW [278]
1/10 of 1,700,000 km² is 170,000 km² .
5 0
3 years ago
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