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lisabon 2012 [21]
3 years ago
12

Please Help!!! I am totally lost! Solve for x and find mangleABC.

Mathematics
1 answer:
kupik [55]3 years ago
3 0
When something bisects an angle, it cuts that angle in half. This means that ray BD cuts angle ABC in half. Therefore, angle ABD, which is formed by cutting the angle in half, is equal to angle CBD, which is also formed by cutting the angle in half. Because of this, you have to set the equation equal to each other.

9x-18=5x+2

Combine like terms. Add 18 to both sides.

9x=5x+20

Combine like terms. Subtract 5x from both sides.

4x=20

Divide 4 on both sides.

x=5 degrees
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The function g(x)=-(x)^2+5. The function f(x)=-g(x+2).
Vitek1552 [10]
Short Answer f(x) down 5 units, left 2 units and right side up from g(x)
Step One

Find out what -g(x+2) is.
There are two steps to this. The first is to deal with the minus sign
(g(x)) = - x^2 + 5. Be very careful what you do next. 
Put brackets around both terms on the right.
g(x) = (-x^2 + 5) Now put the minus sign in front of g(x) and another one in front of the brackets.
-g(x) = - (-x^2 + 5) Remove the brackets.
-g(x) = x^2 - 5 

<em>Result</em>
So far g(x) moves down 5 units and opens upward. 

Step Two
The second step is to see what the x + 2 does.
-g(x + 2) = (x + 2)^2 - 5

The final result is that the graph opens upward, moves left 2 spaces and down 5.

There is a graph enclosed to show you the key steps.
The red graph is g(x) = x^2 - 5
The blue graph is g(x+2) = (x+2)^2 - 5

5 0
3 years ago
X is inversely proportional to the square root of y
omeli [17]

Answer: 4

Step-by-step explanation:

The formula for inverse proportion is x = k / y. Since x is inversely proportional to the square root of y. This will be:

x = k / ✓y

When x = 12, y = 9

We have to calculate the constant of proportionality, k which will be:

12 = k / ✓9

12 = k / 3

k = 12 × 3

k = 36

To find the value of x when y = 81 will be:

x = k / ✓y

x = 36 / ✓81

x = 36 / 9

x = 4

Therefore, x = 4 when y = 81.

4 0
3 years ago
Samantha says that two of three points below are on a line through the origin. (3,8), (6,21), and (9,24)
Thepotemich [5.8K]

Answer:

Yurrrrrrrrrrrrrrrrrrrrrrr

Step-by-step explanation:

Who got the answer to the homework

4 0
3 years ago
3/4 x 4/9 gggmggmgmmgmgmggmgmggg
Bogdan [553]

Answer:

(3/4)*(4/9)

=3/9

=1/3 or 0.33

3 0
3 years ago
Aaron can buy 4 tickets for $33. How much will it cost for 11 tickets?​
seraphim [82]

Answer:

$90.75

Step-by-step explanation:

$33 dollars divided by 4 tickets is $8.25 (original price) so then $8.25 x 11 is $90.75

4 0
3 years ago
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