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2 years ago

If 5x-8w=9, then solve for x, in terms of w and z

Mathematics

2 answers:

babymother [125]2 years ago

7 0

Answer:

Step-by-step explanation:

5x-8w=9 add 8w : 5x-8w+8w = 9+8w

5x = 9+8w

now divid by 5 : x = (9+8w)/5

Alex Ar [27]2 years ago

5 0

X=7 w=3 it’s a guess and check to find out which of the characters fit and just find a difference if 9 between the two

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3 years ago

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3 years ago

What are the solutions to the system of equations graphed below?

PIT_PIT [208]

Answer:

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3 years ago

Type the correct answer in each box. A circle is centered at the point (5, -4) and passes through the point (-3, 2). The equatio

Galina-37 [17]

Answer:

$(x+ \boxed{-5})^2+(y+\boxed4)^2=\boxed{100}$

Step-by-step explanation:

Given:

Center of circle is at (5, -4).

A point on the circle is $(x_1,y_1)=(-3, 2)$

Equation of a circle with center $(h,k)$ and radius 'r' is given as:

$(x-h)^2+(y-k)^2=r^2$

Here, $(h,k)=(5,-4)$

Radius of a circle is equal to the distance of point on the circle from the center of the circle and is given using the distance formula for square of the distance as:

$r^2=(h-x_1)^2+(k-y_1)^2$

Using distance formula for the points (5, -4) and (-3, 2), we get

$r^2=(5-(-3))^2+(-4-2)^2\\r^2=(5+3)^2+(-6)^2\\r^2=8^2+6^2\\r^2=64+36=100$

Therefore, the equation of the circle is:

$(x-5)^2+(y-(-4))^2=100\\(x-5)^2+(y+4)^2=100$

Now, rewriting it in the form asked in the question, we get

$(x+ \boxed{-5})^2+(y+\boxed4)^2=\boxed{100}$

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3 years ago