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Rainbow [258]
2 years ago
12

Solve each equation for x )

Mathematics
1 answer:
steposvetlana [31]2 years ago
8 0

Answer:

x=-0.006667

Step-by-step explanation:

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If point A is located at (5,-7) and there are 8 points between A and B, what could be the possible coordinates for point B?
aleksandr82 [10.1K]

Answer: The possible cordinates (X,Y) of B can be found with the formula Y = √(8^2 - (X- 5)^2) - 7 where  -3 ≤ X ≤ 13

Step-by-step explanation:

The point A is located at (5, -7)

And we know that we have 8 units of difference between A and B.

The equation of a circle centerd in the point (x0, y0) is:

(x - x0)^2 + (y - y0)^2 = r2

where r is the radius of the circle

So we can draw a circle of 8 units around A, and get:

(X - 5)^2 + (Y - (-7))^2 = 8^2

So from this equation we can find all the possible values of B, for this we can isolate one of the variables in one side and get a function.

Y = √(8^2 - (X- 5)^2) - 7

So for a given value of X, you can find the value of Y. where you need to remember that (8^2 - (X-5)^2) can not be a negative number, so we must have that:

8^2 ≥ (X - 5)^2

So X can go from -3 (because (-3 - 5)^2 = 8^2)

to X = 13 (because (13 - 5)^2 = 8^2)

So X is in the range {-3, 13}

4 0
3 years ago
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Identify the property used in each step of solving the inequality 7x+4 <46.
ELEN [110]

Answer:

2.Addition Property

3.Multiplication Property

Step-by-step explanation:

3 0
3 years ago
How do you figure 1/8 of 50 in fraction form
Elodia [21]

Turn the 50 into a fraction (50/1) then cross multiply the fractions after that turn it into a equivalent fraction and you you get your answer

(I think)

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3 years ago
X+5y=5
VLD [36.1K]

Answer:

y=-1/5x+1

Step-by-step explanation:

divide both sides by 5: 1/5x+y=1

subtract 1/5x so y is alone since slope-intercept has y=mx+b: y=-1/5x+1

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3 years ago
Whats circumference (dummy terms)
Keith_Richards [23]

Answer:

Circumference is the distance from the one end of a circle to another

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