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maw [93]
3 years ago
12

The midpoint of AB is M(6, 3) . If the coordinates of A are (7, 4) , what are the coordinates of B?

Mathematics
1 answer:
timofeeve [1]3 years ago
8 0

Answer:

5,2

Step-by-step explanation:

the difference between a and m is 1,1 so 1,1 subtracted from the mid point(M) would be 5,2

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Xy′ = √(1 − y2 ), y(1) = 0
Ulleksa [173]

Answer:

The particular solution is y=\sin (\ln|x|) .

Step-by-step explanation:

The given differential equation is

xy'=\sqrt {1-y^2}

It can be written as

x\frac{dy}{dx}=\sqrt {1-y^2}

Use variable separable method to solve the above equation.

\frac{dy}{\sqrt {1-y^2}}=\frac{1}{x}dx

Integrate both sides.

\int \frac{dy}{\sqrt {1-y^2}}=\int \frac{1}{x}dx

\sin^{-1} y=\ln|x|+C            .... (1)

It is given that y(1)=0. It means y=0 at x=1.

\sin (0)=\ln|1|+C

0=0+C

0=C

The value of constant is 0.

Substitute C=0 in equation (1) to find The required equation.

\sin^{-1} y=\ln|x|+0

Taking sin both sides.

y=\sin (\ln|x|)

Therefore the particular solution is y=\sin (\ln|x|) .

7 0
3 years ago
HELP PLSSS<br><br>solve the inequality -9x/11-7&lt;-5
Flauer [41]

Answer:

x < -22/9

Step-by-step explanation:

(-9x/11) - 7 < -5  (add 7 to both sides)

(-9x/11) < -5 + 7

-9x/11 < 2   (multiply both sides by 11)

-9x < 2(11)

-9x < 22   (divide both sides by -9)

x < -22/9  (answer)

edit: typos galore!

7 0
3 years ago
HELP PLEASE THANKS
Neporo4naja [7]

Answer:

Square root property

Step-by-step explanation:

3 0
3 years ago
What is the area of the base of the cone below? Round the answer to the nearest tenth if necessary. A cone with height 8 inches
docker41 [41]

Answer:

The area of the circle is 19.5 in²

Step-by-step explanation:

First of all to solve this problem we have to know the formula to calculate the volume of a cone

v = volume  = 52 in³

r = radius

h = height  = 8 in

π = 3.14

v = 1/3 * π * r² * h

we solve r

3 * v /h * π = r²

we replace the known values

3 * 52 in³ / 3.14 * 8 in = r²

156 in³ / 25.12 in = r²

6.21 in² = r²

√6.21 in² = r

2.49 in = r

now that we have the radius we need to use the area formula of a circle:

a = area

r = radius = 2.49 in

π = 3.14

a = π * r²

we replace the known values

a = 3.14 * (2.49 in)²

a = 3.14 * 6.21 in²

a = 19.5 in²

The area of the circle is 19.5 in²

7 0
3 years ago
Read 2 more answers
A girl is 6 years younger than her brother.the product of their ages is 135.find their ages<br>​
Vaselesa [24]

Answer:

Brother's age = 15

Sister's age = 9

Step-by-step explanation:

4 0
2 years ago
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