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11111nata11111 [884]
3 years ago
6

Solve for y. x a = yb

Mathematics
1 answer:
timofeeve [1]3 years ago
7 0
Xa = yb
yb = xa
y = xa/b
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In the equation left parenthesis x squared plus 14 x right parenthesis plus left parenthesis y squared minus 18 y right parenthe
Phoenix [80]

Answer:

Complete the square on x by adding​ <u>49</u> to both sides.

Complete the square on y by adding​ <u>81</u> to both sides.

Step-by-step explanation:

We have been given an equation (x^2+14x)+(y^2+18y)=5. We are asked to complete the squares for both x and y.

We know to complete a square, we add the half the square of coefficient of x or y term.

Upon looking at our given equation, we can see that coefficient of x is 14 and coefficient of y is 18.

(\frac{14}{2})^2=7^2=49

(\frac{18}{2})^2=9^2=81

Now, we will add 49 to complete the x term square and 81 to complete y term square on both sides of our given equation as:

(x^2+14x+49)+(y^2+18y+81)=5+49+81

Applying the perfect square formula a^2+2ab+b^2=(a+b)^2, we will get:

(x+7)^2+(y+9)^2=135

Therefore, We can complete the square on x by adding​ <u>49</u> to both sides and the square on y by adding​ <u>81</u> to both sides.

7 0
3 years ago
Lytrisha claims that y= 2x2 + 3 is a function but not a linear function select the statement that supports lytrishas claim
Gnom [1K]

Answer:

B

Step-by-step explanation:

A is wrong, it increases

C is wrong, the coefficient does not determine if it is linear (straight), the exponent does.

D is wrong, you don't need to know a point to determine if it is linear, (if you have 3 points you can though. )

8 0
2 years ago
Describe the characteristics of each set of numbers that make up the set of integers
Greeley [361]
Numbers I think I'm not that smart
8 0
2 years ago
If if the branding division were to experience the same percentage increase from year 2 to year 3 as they did from year 1 to yea
Sedaia [141]
Since the basis is from year 1 to year 2, calculate first for the difference of their percentages. That would be:

Difference = year 2 - year 1
Difference = 2.32% - 1.1% = 1.22%

We apply this same value of percentage increase from year 2 to year. Thus, the percentage for year 3 is:

% Year 3 = % Year 2 + percentage increase
% Year 3 = 2.32% + 1.22%
% Year 3 = 3.54%
6 0
2 years ago
The first term of geometric sequence is 7 and the common ratio is -2. Find the 9th term.
kobusy [5.1K]
a_{1} = 7.

Ratio means multiply/divide.
To get the next number, multiply number by common ratio.
To get a previous number, divide by common ratio.

Since we want the next number...
2nd term: 7 x -2 = -14
3rd term: -14 x -2 = 28
4th term: 28 x -2 = -56
5th term: -56 x -2 = 112

Keep going until 9th term!
5 0
3 years ago
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