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Marrrta [24]
3 years ago
13

Solvefor x. x+3/5 =2

Mathematics
1 answer:
oee [108]3 years ago
6 0

Answer: x=7/5 or 1 2/5

Step-by-step explanation:

Given

x+3/5=2

Subtract 3/5 on both sides

x+3/5-3/5=2-3/5

x=10/5-3/5 (This is to convert 2, as a integer, to a fraction in order to ease the                  

x=7/5          operation)

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The center of an ellipse is located at (0, 0). One focus is located at (12, 0), and one directrix is at x = 14 1/12.
muminat
The standard equation for an ellipse is
\frac{(x-h)^{2}}{a^{2}} + \frac{(y-k)^{2}}{b^{2}} =1
where
(h,k) = coordinates of the center
a, b = semi-major and semi-minor axes

Refer to the figure shown below.
The center of the ellipse is at (0,0). 
Therefore, h=0, k=0.

One focus is at (12, 0)
Therefore
c = 12

One directrix is at  14 1/12 = 169/12.
Because the directrix is located at x = a²/c, therefore
a²/12 = 169/12
a² = 169/144
a = 13

Because c² = a² - b², obtain
b² = a² - c²
     = 169 - 144 = 25
b = 5

Answer:
The equation for the ellipse is
\frac{x^{2}}{169} + \frac{y^{2}}{25} =1

6 0
3 years ago
Read 2 more answers
Melissa's father is planning to open a savings account to pay for Melissa's college education. He has found a bank that will pay
Elodia [21]

Answer:

Initial Deposit = $40,900

Step-by-step explanation:

Working shown in picture.

3 0
3 years ago
The first three steps of completing the square to solve a quadratic equation x^2+ 8x+0=0are shown below What are the next three
Setler [38]

Step-by-step explanation:

x^2 + 8x + 0 = 0

Completing the square just means getting yourself a perfect square trinomial on the left side of your equation. It makes factoring easier for you. The steps are like this:

x² + 8x + 0 = 0 ... take the middle coefficient, 8, divide it by 2, and square it. Same process every time. Divide middle by two, square it. This gives you the "perfect square" of your equation. In this case, 8/2 = 4, and 4² = 16. So what you do is add 16 to BOTH sides of the equation.

x² + 8x + 16 = 16 ... factor the left side

(x + 4)(x + 4) = 16 ... notice that your two factors on the left are identical

(x + 4)² = 16 ... now we want to solve for x. Start by taking the square root of both sides

x + 4 = √16 ... √16 can give us two results: -4 and 4. So solve for both.

x + 4 = 4         x + 4 = -4  ... solve for x

x = 0,              x = -8

8 0
3 years ago
The sophomore class holds a car wash to raise money. A local merchant donates all of the supplies. A wash cost $5 per car and $6
Taya2010 [7]
Use any letter "x" is the usual one but since you have 2 you can use 2 different ones.
5 0
2 years ago
when janet runs her average step length is 36 inches. how many steps would she have to take to run 1 mile?​
erica [24]

Answer:

59

Step-by-step explanation:

1 mile divided by 36 inches equals 1760 inches and if there are 30 inches in a step, we would divide 1760 by 30 and then the answer would be 58.6666666667 but if you don't need the decimal, we can take and round this to 59 and then we have our answer.

3 0
3 years ago
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