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choli [55]
1 year ago
15

find an approximate equation of the line that has the given slope and contains the given point. m=2.9,(3,3-5.1)

Mathematics
1 answer:
Aloiza [94]1 year ago
3 0
\begin{gathered} y=mx+b,\text{ for m=}2.9 \\ y=2.9x+b \end{gathered}

For point (3.3,-5.1)

\begin{gathered} -5.1=2.9\cdot3.3+b \\ -5.1=9.57+b \\ -5.1-9.57=b \\ b=-14.67 \end{gathered}y=2.9x-14.67

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Jessica is selling tickets for her softball team for $10 a ticket. Laurie is selling tickets for her softball team for $6 a tick
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Answer:

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4 0
3 years ago
1. What is the extraneous solution of √x−3 + x = 9?
Sunny_sXe [5.5K]

Answer:

1. x = 12

2. 3∛4 feet.

Step-by-step explanation:

1. We are given the equation of x as \sqrt{x - 3} + x = 9 and we have to find the extraneous solution of the equation.

Now, \sqrt{x - 3} + x = 9 ............. (1)

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Squaring both sides we get,

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⇒ (x - 12)(x - 7) = 0

⇒ x = 12 or 7.

Now, putting x = 12 in the equation (1) we get,

\sqrt{12 - 3} + 12 \neq   9

Again, putting x = 7 in the equation (1) we get,

\sqrt{7 - 3} + 7 = 9

Therefore, x = 12 is an extraneous solution of this equation. (Answer)

2. The volume of a cube with side lengths a ft. is given to be 108 ft³.

So, a³ = 108

⇒ a = 3∛4 feet.

Therefore, the length of the sides of the cube are each 3∛4 feet. (Answer)

3 0
3 years ago
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