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-Dominant- [34]
3 years ago
6

ct%20%5C%3A%20of%20%5C%3A%20r" id="TexFormula1" title="y = \frac{x - r}{x + r?} find \: the \: subject \: of \: r" alt="y = \frac{x - r}{x + r?} find \: the \: subject \: of \: r" align="absmiddle" class="latex-formula">
find the value of r if y=3,and x=3.
​
Mathematics
1 answer:
Olenka [21]3 years ago
6 0

Answer:

r=-3/2=-1.5

Step-by-step explanation:

y=\frac{x+r}{x-r}\\\text{At} \ x=3\ \text{and} \ y=3\\3=\frac{3-r}{3+r}\\3*(3+r)=(3-r)\\9+3r=3-r\\6=-4r,\ r=-3/2=-1.5

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An isosceles triangle has an angle that measures 92° which other angles could be in that isosceles triangle choose all that appl
nignag [31]

Answer:

44

Step-by-step explanation:

The two base angles cannot both be 92 degrees because they would add up to 184 which is more degrees than any triangle has. The apex angle (the top angle) therefore has 92 degrees.

The base angles are equal and found as follows.

2*b + 92 = 180                 Subtract 92 from both sides

2b +92-92 = 180-92

2b = 88                           divide by 2

2b/2=88/2

b = 44

The only angle measurement that fits is 44

6 0
3 years ago
How much interest will be earned on a $6,000 investment at 2.25% for 5 years. Round to the
Monica [59]

Final amount = 6675, interest earned will be 675

3 0
3 years ago
Find x if 2^x=8^3x-8
Anon25 [30]

Step-by-step explanation:

First we have to same the bases.

As we know 8=2^3.

Replace 8 with 2^3.

Like this .

2^3x=2^3(2x+1).

Now 3x=3(2x+1) distribute 3 by the Barker.

3x=6x+3.

6x+3=3x.

6x-3x=-3.

3x=-3.

X=-1.

5 0
2 years ago
A rectangular prism measures 5 cm by 9.5 cm by 17.2 cm what is the volume of the prism
shutvik [7]

Answer:

817 Cubic Centimeters

Step-by-step explanation:

The volume of a prism is just multiplying its length, width, and height.

lwh=5*9.5*17.2=817.

7 0
3 years ago
State if the given functions are inverses. f(x) = 1/x + 3 g(x) = 4/x + 2
Stolb23 [73]

Answer:

  they are not inverses

Step-by-step explanation:

f(1) = 1/1 +3 = 1 +3 = 4

g(4) = 4/4 +2 = 1 +2 = 3 ≠ 1

If the functions were inverses, we would have g(f(1)) = 1, which we do not.

The given functions  are not inverses.

_____

The same would be true if your functions were

  f(x) = 1/(x+3) and g(x) = 4/(x+2)

  f(1) = 1/(1+3) = 1/4

  g(1/4) = 4/(1/4 +2) = 4/(9/4) = 16/9 ≠ 1

6 0
4 years ago
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