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Whitepunk [10]
3 years ago
11

PLS HELP ME I NEED AN ANSWER QUICK!

Mathematics
1 answer:
k0ka [10]3 years ago
5 0
So 30 and 2.5 would be subtracted and added by whatever value. Then divided hope that helped
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The sum of two numbers is seventeen. Three less than three times the smaller is equal to the larger
tia_tia [17]
The numbers are 5 and 12.
Smaller number = x
Larger number = y
x +y =17
y = 3x - 3
x +3x -3 = 17
4x = 20
x = 5
smaller number is 5
y = 3(5) - 3
y = 12
larger number is 12.
8 0
3 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
The production of what number and 7 is less than 49
MArishka [77]
Many numbers, when multiplied by 7, are less than 49.  We can find an inequality for numbers x that are sufficient.

Clearly, 7x < 49 is the desired inequality.  We divide by 7 to find that x < 7 determines working numbers.
4 0
3 years ago
A rational number can be written as the ratio of one _______ to another and can be represented by a repeating or terminating dec
Gnesinka [82]
A rational number can be written as the ratio of one integer to another and can be represented by a repeating or terminating decimal.
8 0
3 years ago
Read 2 more answers
What is the justification for step 2 in the solution process?
Maksim231197 [3]

Answer:

Subtract property of deviation becasue your subtracting 6y frrom both sides of the equation.

Step-by-step explanation:

1)Given: 12y - 40 - 4y = 6y - 18

2)Simplify by adding 12y + (-4y): 8y - 40 = 6y - 18

3)Subtract property of deviation: 8y -6y - 40 = 6y -6y - 18

2y - 40 = -18

<em>Hope this helped!</em>

8 0
3 years ago
Read 2 more answers
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